

ENTOMOLOGY. 159 



Remarkable vitality, C. A. Whiting (Amer. Nat., 31 (1897), No. 366, p. 452).— 

 Larva; of Ephydra gracilis were taken from Great Salt Lake, kept for 10 days in salt 

 water, then washed in fresh water and transferred to a 3 per cent solution of for- 

 malin, where at the expiration of 10 days 3 were still living. An instance in which 

 the head and thorax of the orthopter, Stenophelmalus fasciatus, lived for 9 days is 

 aiso cited. 



High-flat setting, W. H. Harwood i Ent., 30 (1897), No. 408, pp. 142, 143).— A 

 defense of the British mode of setting insects as against the continental mode. It 

 is argued that British-set inserts can he readily relaxed and reset by continental 

 collectors, and that they require very few of them, whereas if the continental mode 

 were adopted in England it would necessarily cause a great amount of labor in 

 resetting insects in English cabinets. 



High-flat setting, F. C. Warburg (Ent., 30 (1897), No. 405, pp. 45-47). 



Transformations of some North American hawk moths, W. Beutenmuller 

 (/;»/. Amrr. Mus. Sat. Hist., 8 (1896), pp. 291-299). 



The American cockroach (Periplaneta americana) and the means of destroy- 

 ing it, J. Rit/.ema Bos (Tijdschr. Plantenziekten., ? (1896) pp. 22-27, figs. 5). 



Italian Coccidee of fruit trees, A. Berlese | /'/. / ex Riv.pat. Veg., 2 (1893), pp. 

 10c, ph. 3, figs. 45; Pt. II ex op. cit., 3 I 1894), pp. 201, pis. 12: I't. Ill ex op. cit^ 4-5 

 (1896), pp. 47,, ills. 12, figs. 200; abs. in Jour. Roy. Micros. Soc. [London], 1897, No. .', 

 p. 1:1). — A detailed morphological account of the insects is given. 



Wintering bees, A. Crausse (Rapports Preliminaires •/'' Congr^s Internat. d'Agr., 

 Bruxelles, 1895, pp. 567-573). — An article made up of practical general remarks on the 

 subject. Colonies should be at least 5,000 strong, have a fertile and young queen, 

 and be provided with as mucb as 12 to 15 kg. of stores at the beginning of winter. 

 Defective colonies should be united. Feeding should bo done with good honey or 

 sugar sirup, which should be liquid and covered. If not covered, its hydrometric 

 properties will cause it to take up moisture from the hives or it will spoil and give 

 rise to dysentery. The hive should be well ventilated ami oil' the ground. The bees 

 should be quiet during cold weather. Water and pollen are consumed in large 

 quantities in spring and the bees should be aided in obtaining them. 



The optic lobes of the bee's brain in the light of recent neurological 

 methods, F. C. Kenyon (Amer. Nat., 31 (1897), No. 365, pp. 369-377, pi. 1). — Essen- 

 tially a paper submitted to the American Morphological Society. 



The optic lobes of the bee's brain, F. ('. Ken vox (Science, n.ser., 5 (1897), No. 

 115, pp. 429, 430). — Abstract of a paper submitted to the American Morphological 

 Society at its Boston meeting, 1896. The number of neural elements taking part in 

 the transmission of visual stimuli to the central portion of the brain as well as the 

 fiber tracts into which they are gathered are noted. 



Silkworm microbe, L. Macchiati (Bui. Soc. Ital. % 1S9G, pp. 292-297 ; abs. in Jour. 

 Roy. Micros. Soc. [Loudon], 1897, No. 3, p. 238). — Streptococcus pastorianus is identified 

 with the earlier described S. bombyces. 



Silk producing Lepidoptera, A. Wailly (Eut., 30 (1897), No. 405, pp. 39-44).— 

 This is continued from volume 39, p. 356, of the journal cited, and deals with 

 European and American species of Attacus, Saturnia, Bombyx, Telea, Platysamia, 

 Callosamia, Phylosamia, Actias, Hyperchiria, and Eucheira. 



Growth of silkworms, Luciaxi and Lo Monaco (Atti 11. Accad. Lincei, 6 (1897), 

 pp. 155-162; abs. in Jour. Boy. Micros. Soc. [Loudon], 1S97, No. 3, p. 201). — A study of 

 the increase of the nitrogenous content of silkworms in its relation to nutrition at 

 different stages. 



A buffalo gnat new to the United States. T. D. A. Cockerele (Ent. News, 8 

 (1897), No. 5, p. 100). — Swarms of gnats that have been identified as Simulium ochra- 

 ceum Walk, were seen on the campus of the New Mexico Agricultural College June 

 25, 1895. 



The fowl tick, R. Helms (Jour. Bureau Agr. W. Australia, 4 (1897), No. 4, pp. 1154- 

 1158). 



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