100 



Dubois (A.)- Onchocerca volvulus et I'El^phantiasis dans le Haut- 



Ouell6 (Congo Beige). [Onchocerca volimlus and Elephantiasis in 



the Upper Welle Region (Belgian Congo). ]~BuU. Soc. Path.Exot., 



Paris, X, no. 4, 11th April 1917, pp. 365-371. 



The author's observations, extending over the Welle- Bomu basin, 



have shown that there is a vast region in Africa which suffers from 



a high degree of infestation with Onchocerca volvulus, accompanied 



by the frequent occurrence of elephantiasis. Of 105 cases of 



elephantiasis examined for 0. volvulus, only three cases gave negative 



results. In Welle the riverside populations are especially attacked. 



The disease differs in many clinical particulars from the symptoms 



usually ascribed to Filaria bancrofti, and in two cases was apparently 



attributable to F. loa. 



Gonzales Rincones (R.). Presentaci6n de dos Anofelinos capturados 

 en Aragua por el doctor Nunez Tovar. [Two Anophelines taken 

 in Aragua by Dr. Nunez Tovar.]— (?aceto Med. de Caracas {Vene- 

 zuela), xxiii, no. 22, 30th November 1916, 171-172. 

 This paper reports the discovery in Venezuela of two malaria- 

 carrying mosquitos hitherto unrecorded there. These are a new sub- 

 species, Avhich differs from Anopheles {Cellia) argyrotarsis and 

 A. {C.) albimanus, the two species hitherto recorded in Venezuela, 

 in that the posterior tarsi are ringed with pure white, and Anopheles 

 crucians, Wied., which, though generally taken indoors, is not 

 strictly a domestic species. It usually shelters by day in the webs of 

 spiders, which do not appear to molest it. 



daRocha-Lima(H.). Beobachtungen bei Flecktyphuslausen. [Observa- 

 tions on Typhus-infected Lice.]-~~Arch.f. Schiffs- u. Tropen-Hyg., 

 Leipzig, xx, no. 2, January 1916, pp. 17-21, 1 plate. 

 It is incorrect to suppose that most of the lice in prisoners' camps 

 are infected with typhus ; this is probably true only of _ those 

 individuals from patients in an advanced stage of the disease. 

 Inconclusive results were obtained in the experimental transmission 

 of typhus to monkeys by the bites of lice, but 8 out of 10 attempts 

 witli guineapigs were successful. Though the average meal of a 

 female louse is 0-000890 grammes, from 3 to 4 c.c. of blood frona a 

 typhus patient is required for the direct inoculation of guineapigs, 

 indicating that transmission is not purely mechanical in the case of 

 the louse. In nearly every infected louse there were present minute 

 bacillus-like bodies which^ cannot be considered part of its normal 

 intestinal flora, as they settle in huge numbers in the stomach-cells 

 in which they cause visible changes. They also occur in the sahvary 

 glands. These bodies were not found in normal lice. 



Carter (H. R.), Le Prince (J. A. A) & Griffitts (T. H. D.). 

 Impounded Water. Surveys in Alabama and South Carolina during 

 1915 to determine its Effect on Prevalence of Malaria.— C/.^S. Public 

 Health Service, Washington, D.C., Public Health Bull. no. 7^9, 

 September 1916, 34 pp. 3 maps. 



This paper describes the results of much careful observation on 

 considerable sheets of water retained by dams, in continuation of the 



