113 



Reiter (H.). Beitrage zur Aetiologie der Weilschen Krankheit. 



[Contributions to the Aetiology of Weil's Disease.]— DewiscAe 

 Med. Wochenschr., Berlin, xlii, no. 42, 19th October 1916, 

 pp. 1282-1284. 



Observations have sho^vn that the true Weil's disease may occur in 

 May and June, but is chiefly prevalent in July, August and September. 

 Well-watered areas seem to be the most affected. As the disease does 

 not occur in an epidemic form, neither lice, fleas nor ticks can be the 

 carriers. Winged carriers are indicated and, as this disease is not 

 more common in malarial districts, mosquitos also may be disregarded. 

 It is more probable that the transmitters are biting flies, such as 

 Haenmtopota pluvialis, Chrysops coeculiens and other Tabanids, 

 H. pluvialis being the most likely. Transmission would appear to be 

 purely mechanical. 



Kraus (R.). Ueber die Feststellung der Dengue in Argentinien. [A 

 Record of Dengue in Argentina.] — Deutsche Med. Wochenschr., 

 Berlin, xlii, no. 43, 26th October 1916, pp. 1314-15, 2 figs. 



The occurrence of dengue is recorded from Concordia, Argentina, 

 and Salto, Uruguay, two towns which lie close to each other. 

 Mosquitos were unusually abundant in the towns affected and 

 practically every house in Concordia was a breeding place for Culex 

 fatigans and Stegomyia fasciata. In the absence of other species of 

 mosquitos, these are believed to be the carriers, as Graham, Ashburn, 

 Craig and others have already stated. 



Schilling (V.) & Schiff (F.). Ueber Papatacifieber. [Phlebotomus 

 ¥eveT.]—DeiUsche Med. Wochenschr., Berlin, xlii, no. 45, 9th 

 November 1916, pp. 1378-1380. 



In recording the conditions at " A." [? in Turkey], it is stated the 

 Phlebotomus papatasii, Scop., was present. While some houses were 

 badly infested, others quite close by were so free from this midge 

 that a net was unnecessary. A net of muslin-like texture is needed, 

 as the meshes of ordinary mosquito netting are too large. The female 

 Phlebotomus bites by day in well-lit rooms, as well as by night in 

 dark places. Newstead's recommendation for spraying the walls with 

 a 1 per cent, solution of formalin several times a week proved an 

 effective prophylactic measure. 



Blanc (G.). Sur un Cas de Toxoplasmose canine observe en Tunisie* 



[A Case of Canine Toxoplasmosis observed in Tunis.] — Bull. Soc. 

 Path. Exot., Paris, x, no. 5, 9th May 1917, pp. 377-378. 



Canine toxoplasmosis is recorded from Tunis for the first time, the 

 conditions of infection being very obscure. Two dogs, B and C, were 

 inoculated with the product of crushing ticks in the nymphal stage 

 procured from a dog, A, suffering from experimental kala-azar (canine 

 virus). The animal, B, became ill within a month, exhibiting double 

 conjunctivitis and opacity of both corneas, but the post-mortem 

 examination revealed no parasites either of leishmaniasis or of toxo- 

 plasmosis. The animal, C, died shortly afterwards, without any 



