201 



tliat the consequent prolongation of their hfc would favour the com- 

 pletion of the sexual cycle of the malarial parasites and the probability 

 of their transmission to man. 



Klein (\^.). Wirkung der schwefligen Saure auf den Organismus 

 mit besonderer Beriicksichtigung der perkutanen Saurevergiftung. 



[The Action of Sulphurous Acid on the Animal Organism with 

 special Regard to Acid Poisoning through the Skin.] — Berliner 

 Tierdrztl. Wochenschr., 1921, p. 49. • (Abstract in Deutsche 

 Tterdrztl. Woc/ienschr., Hanover, xxix, no. 40, 1st October 1921, 

 p. 513.) 



Of some thousands of horses fumigated with sulphurous acid (SOg) 

 against mange, 7 per cent, showed symptoms of slight poisoning, 

 while 1 per cent, were severely affected. The latter, however, regained 

 consciousness about 10 minutes after their removal from the disin- 

 fection chamber, and their recovery was complete in a short time. 

 Fumigation has a beneficial effect on wounds that are slow to heal 

 and on cancer of the hoof. 



ScHEiN (H.). Les Piroplasmoses en Indochine. — Bull. Agric. Inst. 

 Sci., Saigon, iii, no. 9, September 1921, pp. 269-283, 1 plate. 



Present knowledge concerning the various forms of piroplasmosis 

 occurring in domestic animals in Indo-China is reviewed, with notes on 

 their aetiology, though much remains to be learnt in this respect. 

 The importance of tick destruction is emphasised, and it is suggested 

 that various methods, such as rotation of pastures, dipping, burning 

 and closing the pastures until all ticks die out, should be combined, 

 as is done in the United States. If the cattle-breeding industry in 

 Indo-China increases in importance, it will be necessary to maintain 

 a campaign against ticks. 



Carter (H. F.), Ingram (A.) cS: M.^cfie (J. W. S.). Observations on 

 the Ceratopogonine Midges of the Gold Coast with Descriptions 

 of New Species. Part IV. — Ami. Trap. Mtil. ('-■ Parasit., Liverpool, 

 XV, no. 3, 30th September 1921, pp. 177-212, 13 tigs. 



The history of the erection of genus Dasyhelea and its subgenera 

 is given, and the points of difference between "the anatomy of Dasyhelea 

 and Culicoides in all stages are detailed. 



The following new species are described : D. pallidihaltcv, D. fiisci- 

 scutellata, D. similis, D. liiteoscutellata, and D. flava,hre([ from material 

 collected at the base of banana plants ; D. inconspicuosa, D. flavi- 

 formis, and D. fusca, bred from water and rotten wood in canoes ; 

 D. nigrofxisca, bred from materials collected in rot-holes in a mango 

 tree ; D. fiisciforniis, reared from material collected in rot-holes in 

 a tree {Cynometra sp.) ; D. nigricans; and D. fnscipleiiris. A key 

 to both sexes of these new species is given. 



Gordon (R. M.) & Young (C. J.). The Feeding Habits of Stegomyia 

 calopus, Meigen. — Ann. Trop. Med. & Parasit., Liverpool, xv, 

 no. 3, 30th September 1921, pp. 265-268. 



In 1906 Marchoux and Simond stated that Stegomyia fasciata 

 (calopus) under normal conditions does not bite man during the day 

 after the first five or six day^s of its adult life, and that yellow fever 



