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22 THE SUNDAY STAR, WASHINGTON, D. C, JULY 20, 1930. Sunday Morning Among the Cr Across. 1. Sacred Egyptian beetle. 7. Acute discomfort. 11. Feminine name. 15. Colored chalk. 21. Wife of Paris. 22. Frightful monster. 23. Elliptical. 24. Greek goddess of wisdom. 25. Poetic name of Asiatic country. 26. Deal with. 27. Turkic. 29. Chinese secret so- cieties. 30. Rigmarole: Scotch term. 317A tennis term. 82. Male sheep. 34. Prepare for publi- cation. 35. Greek lefter. 36. Adjudicator. 40. Run impuisively. 44. Unit. 45. Writing tables. 47. An exhibition of passionate or strong fecling. 48. City in France. 49. Possessed. 51. A worm. 63. Ridges. 84, Inclosure for sheep. 55. Female deer. 56. Arbor. 60. Elements of a landscape. 62. Half-wild horse of American plains. 66. American humor- ist. 67. Lease. 69. Aunt: French. 70. Rave. 71. King Arthur’s lance. 72. Matter of lawsuit. 73. Heads: French. 75. Chief of the Jan- izaries. 76. Appetizing dress- ing. rare 77.%amous mountain in Greece. 78. Hymenopterous in- sect of the family Formicidue. . Steps over fences. . More sorrowful. . Moisture condens- ed in small drops. . Allow. . Negro sorcery. . Invalid's soft food. . Cure, . Stop the progress of by lack of wind. . A tree. . Lyric poem. . Winglike. . Feline. . Lines from centexr of circle to cir- cumference. Enemy. . Disfigure. . A planet. . The walrus, . Incline. . Every one. . Member of the highest order of mammals. . Vertical windows in roofs. . Smiled contemp- tuously. . European noid fish. Evening: French. . Far: comb. form, Southern constel- lation Kind of lily. . Musical drama. . Scotch cake. . Essential flower- oil. . Hall! . Symbol used to express a number, . Everlasting. . Highest note in Guido’s scale. . Tear. Moccasin. . Augment, . Epochs. . In a direction to- ward the center of the body. Lariat. , Large masses of cypri- floating ice. Highways: lish plural. 153. Wdoer. 155. Soon. & 156. S-shaped molding. 157. Plastic work rep- resenting a hu- man ovr animal figure. . Moon goddess. . Prevaricated. . Deities. . Emblems of fam- ily or tribe. Down. 1. Reached a great height. 2. Unctuous prepara- ration for external application. - 3. Genus of pineap- ples. 4. Garment. 5. No particular one 152. Eng- 43. Male fowl. . Small barrel. . Damp. . Half-frozen rain. . Simpleton. . City in Brazil. . Famous garden. . Music symbol. . One opposed. . Compass direction; abbr. . A Whittier heroine. . Dry. . Joint. . Bite with repeat- ed effort. . Bank clerks. . Basic. 4. 6. 80. 81. Shabby. Sword. Horeoleum. Weep convulsively. 85. Showy display. 86. 87. 6. Exist. 88. 7. Ambulatory with roof supported by columns. 8. Grow old. 9. Babylonian war god. 10. After discount. 11. Small bed. 12. Eggs: Latin, 13. Rodent. 14. Startled. 15. Father. 16. Siamese coin. 17. Outer ccvering of tire. 18. Sinew. 19. Motor. 20. Endured. 26. Clumsy Loats. 28. Strikes sharply. 31. Correlative con- junction. 33. Myself, 36. Classifies. 37. Thomas Hardy heroine. 38. Go through the scenes of. 39. Peruse again. 40. Security. 95. 96. 97. Jewish month. Persian fairy, Mahometan month of religious signif- icance. . Inspirit. . Female equine. . Pruit juice drinks. . Tropical climbing plants. . Chemiical element occurring as prod- uct of inorganic process. Distant. Only. Kept. 100. Inclosed space to hold live stock. 101. To equip for bat- 102. 107. . Upright. . Measure of wire . Performer. . Fruit .of black- 41. One hundred lakhs. 42. Confederate. tle. Poisonous African fly. Irish feminine name. diameter, thorn. . Consume. . Extraordinary. . Infuriates. . Fondle, 127, An Easy One for the Puzzle Fan dEEN JE R Bl g AN ANEEN ANEE ANN JANE GdJEEE =1 EOAEEEd W daEEEENd NN 7 N N EEEE EEEE N3 i Rl JPRE JEEJESBERS JEEE JEEEE 4NN dEEE JEEN JEEE 1. Nights before events, 3 8. Old word for color. 9. Liquefy. 18. Infrequent, 3. Life raft. 18. Toward the shel- tered side. 8. Tool. 18. Ascended. 10. Kind of dog. 80. Separate portions of space, 22. Illuminating de- vice. 84. Raise the shoul- ders. 38. Worker in precious stones. 29. Pertaining to form. 34. French pronoun. 36. Carol. 37. Put into jars again. 38. Swine. 39. Took a seat. 40. Therefore. 41. Cook over live coals. 42. Titles, 44. Union of interests. 48. Narrow, ornamen- tal fabrics. 48. Party. 49. Outlook. 52. Observe. 56. Bombast. 57. Forming carpels. 59. Wings. 60. Endeavors, 61, Great Lake, 62. Score in pinochle. 63. Ancient Jrish fam- Down. 1. Goddess of discord. 2. Weathercock. 3. Formerly. 4. Deciding. 5. Kind of meat. 6. French pilural of 35 downm. 7. Slaves, 8. Sentinel. 9. Plunder. 10. State of being lengthened. 11. For fear that. 13. Parts of a goif course, 14. Province of Brit- ish India. 17. Peruses. 21. Think: archaie. five - sor~ . American lily-like plant. . Science of exact reasoning. . Chinese weights. . Land surrounded by water. . Regards. . Talked like a child. Asiatic herb. Christian Malay of Southeastern Lu- zon, 43. Rained in very fine drops. 46. Voiceless conso- nants. Frighten. 49. Baby carriage: col. 50. Morbid breathing sound. S1. Journey. 53. Oid word for early. 54. Infant’s bed. 1 . 56.2Organs of vision, 58. Caress. ' ‘"' . Broad thorough- fare. . A food seed. . Persian philoso- pher. section. Danger signal: poetic. wild sheep of Central Asta. 130. 131. Finishes. . Circular in cross- 134. Above. 136. Paid nofices 147. Pedal digit. 148. Also. . Tropical fruit. . State; French. . Put on. . Keel-billed cuckoo. 149. Swamp. 150. The Self. 151. A color. 152. Japanese states- man. 154. Anent. 157. Holy person:.abbr. Teaching the Bees New Tricks. Continued from Seventh Page N nection with a spectroscope, This apparatus is set up in a dark room, the spectroscope being used: for impinging different wave lengths on the screens placed at opposite ends of the wire cage. By means of a “bee trap door”™ in the bottom of the cage, Dr. Bertholf inserted work- er bees, one at a time, in this scientific cell. The spectroscope was then switched on to impinge lights of different wave length on the different screens. The bee in every case would respond forthwith by walking toward the wave length of light which attracted her the most. The optical organs of bees are stimulated the most by greenish yellow light, resembling human be- ings in that respect. Blue ranks next to greea as the most stimulating light of the visible spectrum for honeybees. Bees cannot see a red light nearly as well as man can. WHEN Dr. Bertholf rearranged his labor- atory set-up in the dark room so that he could employ a mercury quartz vapor lamp as a source of ultra-violet for comparative tests with the wave lengths of the visible spectrum, he found out that ultra-violet is much more stimulating to honeybees than any visible spec- trum color. In fact, the bee’s exceptional abil- ity to see ultra-violet explains, in part, the efficiency of the insects as nectar scouts. Cer- tain flowers, according to experimentation car- ried on by the American Academy of Natural History, reflect ultra-violet. The small content of ultra-violet in ordinary Summer sunshine— it ranges between 4 and 5 per cent—is sufficient to stimulate the nectar-scouting bees so that they readily discern all such flowers. This stimulation on the eyesight of the bee is so re- markable that the insect sees entirely different colors and configurations to that which man views when he inspects these selfsame blooms. The flowers which reflect ultra-violet seem to serve as “street signs,” so to say, which direct the worker bees where to go in their nectar- hunting quest. On the front porch of the national bee culture laboratories rests a ponderous scale large enough for weighing elephants, but harnessed for the curious task of keeping tab on variations in the weight of a colony of bees. During the Summer flower season, this beehive is the home of from 80,000 to 100,000 worker bees, the delicate scale being the sleuth that uncovers the secrets of what occurs daily in that insect tenement house. The scale is linked directly to a continuous chart recorder and weighs the daily honey production in the hive, It also records the loss of weight at sunrise, when the bees leave the hive; the frequency of their returns, the approach of stormy weather, the appearance of clouds in the sky and other phenomena associated with the daily of the bees. This detective shows that not observe union hours, but on favorable labor from 4 in the morning until 8 o* while on unfavorable days, the nectar may not fare forth from their home at all. workers make from 10 to 30 flights daily hunters. Under ideal conditions as much as 20 pounds of honey has been manufactured in ' this- hive Y 24 Mours.: = ' i Lo Lo oes ' Weatier chariges ‘vitally Iiflierice Ehe 'Bees. On sunny Summer days, these insects usually are gentle, while during periods when the sky is overcast and it is cold, the bees are irritable and more likely to sting both friends and foes. Uncle Sam hopes by selective breeding to im- prove these conditions by supplying bees that are more resistive to weather fluctuations and disease. Approximately, ten million dollars is lost annually by American beekeepers during cold weather. The Federal bee scientists have conducted invaluable research in scientific ice chests installed in a constant-temperature chamber where artificlal weather conditions could be controlled. Bee colonies have been tested at different temperatures in this “re’rig- erator” in attempts to solve the perplexities of cold weather losses. Varlous systems of forti- fying the colonies against the “falling ther- . mometer” have also been investigated. Uncle Sam has contributed measurably to this complex business of untwisting the tangled skein of normal beehive history by the use of glass-faced, illuminated observation hives which enable the observers to watch and interpret all that goes on in the beehive. The Government experts have watched the queens lay their minute elongated eggs. They have observed the blind, footless larvae emerge from these eggs three days later. During the succeeding six days these larvae establish records in growing, as they increase 1,500 times in weight during that brief interval. If the ordinary infant of the human species which tipped the scale at six pounds when born made similar growth, he would have to be weighed on hay scales at the end of one week, as he would than gross four and one-half tons in avoirdupois. The adult bee is ready for strenuous duties in the honey- comb just three weeks after the egg is de- posited. The beehive is an illustration of highly or- ganized teamwork. Sanitary engineers main- tain it in clean, healthy condition. Experts di- rect traffic through the complicated chambers, cells and pathways of this insect dormitory. Bees that become crippled or die are evicted at once. The buzz of the beehive is an anthem of industry and not a signal of warning. It is caused by the bees flapping their wings in un- ison in ventilating the hive. During the Win- ter these same worker bees by bodily contortions provide the energy which keeps the hive warm. ‘These bees as “firemen” have during experi- ments increased the temperature of the hive shortly from a reading of 57 to 95 degrees Fahrenheit. Uncle Sam’s apiculturists have watched the bees in their vibratory dances, by means of which communication is carried on, according to the saysoes of leading German scientists. An interesting test apparatus now in use at the na- tional bee farm is a scientific simulation of a flower which contains a constant supply of imitation nectar. This device accommodates 10 bees simultaneously and is located outdoors near the 60 national colonies, which have a maximum population of 6,000,000 bees during the Summer. An electric contact apparatus is linked to a float in the container of synthetic nectar. A continuous chart recorder connected to the “flower” keeps tab on the amount of “nectar” temoved daily, the number of times that the bees visit the feeder and the influence f wedthers eqnditiaris on thess ey hunting