142 



KoBAYASHi (H.). Chosen no Hai (Daiichi Hokoku). [Flies in Ko^ca. 

 Report I.] — Chosen Igakukwai Zasshi [Journal of the Korean 

 Medical Society], Seoiil, no. 24, 12th April 1919, 29 pp. 



This report is the result of observations made on house-frequenting 

 flies in Korea during 1916-1918. These flies (amounting to 400,000 

 individuals) were collected in the city of Seoul; the total numbers 

 and percentages of all the species captured are shown in the form of 

 tables for each year. Though according to the author's observations 

 made in Tokyo in 1912-13 the maximum emergence of the house-fly 

 [Musca domestical was attained in July and August in Japan, in Korea 

 this occurs in May, June and July and in August it diminishes, while 

 in September it increases. In other words it appears that in Korea 

 the prevalence of the house-fly does not coincide with the increase of 

 temperature, a fact that is contrary to the results found by many 

 investigators in other parts of the world. Other house-frequenting 

 flies however appear abundantly in the months of July and August. 

 In Seoul, the species that oviposit in the lacrines are : — Muscina 

 stahulans, Fall., Fannia canicularis, L., Sarcophaga carnaria, L., 

 Ophyra nigra, Wied., Musca autumnalis, DeG. {corvina, L.), and 

 occasionally Musca domestica, L., and Lucilia caesar, L. Latrines 

 that are exposed to the sunshine produce more flies than those in the 

 shade. 



Teico (P.). El Bano de las Ovejas. [Sheep Dips.]— G'aoeto Rural, 

 Buenos Aires, xii, no. 143, June 1919, pp. 735-745, 3 figs. 



Detailed instructions are given, with a plan and sectional drawings, 

 for the construction of a dipping apparatus for sheep. 



DoTEN (S. B.). Report of the Department of Entomology. — Ann.Rpt. 

 Board of Control for the Fiscal Year ending 30th June 1918, Agric. 

 Expt. Sta. Univ. Nevada, Reno, 1919, pp. 16-18, 2 figs. 



Owing to the abundance of biting flies injurious to cattle on the 

 pastures of Nevada and California, investigations have been made, 

 which have led to the conclusion that most of the annoyance is caused 

 by a horse-fly, Tabanus phaenops. The females rest in dry grass 

 during the late afternoon and early morning hours, obtaining their 

 food during the hot part of the day partly from the blood of cattle and 

 horses. The eggs are laid in short grass over swampy meadow lands ; 

 the emerging larvae drop to the ground and mature in the mud during 

 the course of one or more years. As no possible method of control, 

 either by the introduction of parasitic insects or by artificial means, 

 has yet been discovered, a change from ranching to farming is appar- 

 ently the only way to exterminate this pest, 



Majocchi (D.), II Demodex folliculorwn sulla Pelle dei Leprosi. 



[D. folliculorum on the Skin of Lepers.] — Revd. R. Accad. Sci., 

 Bologna, New Series, xviii, 1913-1914, pp. 107-108. [Received 

 18th August 1919.] 



Investigation as to the relation of Demodex foUictdoruni to Bacillus 

 leprae has shown that this mite was present in only four out of the 



