K 



136 



the second is on the subject of foot and mouth disease. The information 

 in both papers is collected from a large number of sources, a list of 

 references to which is given at the end of the second paper. 



Brethes (J.). Description d'un nouveau Moustique du P6rou. — Rev. 



Chilena Hist. Nat., Santiago de Chile, xxiv, no. 2-4, March- 

 August 1920. pp. 41-43, 1 fig. 



Culex escomeli, sp. n., is described from Arequipa (Peru). This belongs 

 to the group C. pipiens, L., C.fatigans, Wied. [qninqitefasciatiis, Say), 

 C. lynclii, Brethes, C. honariensis, Brethes, etc., from which, however, 

 it is quite distinct. 



Caballero (x\.). Nuevos Datos respecto de la Accion de las Chara en 

 las Larvas de los Mosquitos. — Bol. R. Soc Espanola Hist. Nat., 

 Madrid, xxii, no. 1-2, Januar3^-February 1922, pp. 61-64. 



It has been shown in previous papers [R.A.E., B, viii, 61 ; x, 108] 

 that plants of the genus Chara produce some toxic matter that is fatal 

 to mosquito larvae. Further experiments in this connection are here 

 described, and demonstrate that this substance, which is soluble in 

 water, is not accumulated in the living ceils of the alga, but that it 

 is present in water in which C.foetida has lived. It is therefore logical 

 to conclude that the poison is an excretion of the plant, water in which 

 Chara spp. have lived being as potent a larvicide as the plant itself. 

 The author has made frequent surveys of the malarial district about 

 the mouth of the River Llobregat, and has found more than 300 pieces 

 of water, such as pools, canals, drains, etc., in which Chara spp. are 

 present, and in none of these was any trace of either Ciilex or Anopheles 

 found. On the other hand, practically every stretch of water where 

 Chara did not occur harboured these mosquitos. 



Hoffmann (W. H.). Sobre la Mosca Chrysops costata, Fabr., que chupa 

 la Sangre del Hombre, observada en Cuba. [On C. costata, a Fly 

 that sucks human Blood, observed in Cuba.] — Sanidad y 

 Beneficencia, Havana, xxvi, no. 3, September 1921, p. 121. 

 [Received 1st May 1922.] 



From October 1920 to February 1921 the author was bitten on the 

 head about a dozen times b}/ a ^y, identified as a Tabanid, Chrysops 

 costata, F. C. costata appears to be rare at Havana, as only about 15 

 specimens were noticed in the course of a year. 



Kala-azar Inquiry o! the Indian Research Fund Association. — Ind. Jl. 

 Med. Res., Calcutta, ix, no. 4, April 1922, p. v. 



It is stated that Christophers considers the bodies found in the bed- 

 bug and described as Leishman-Donovan bodies [R.A.E., B, x, 72] to 

 be a species of A'osema, which, if new, would be called A^. adiei. 



Patton (W. S). Some Notes on Indian Calliphorinae. Parts vi & vii. 



— Ind. Jl. Med. Res., Calcutta, ix, no. 4, April 1922, pp. 635-682, 

 2 plates, 10 figs. 



The general anatomy and the method of identifying the larvae and 

 adults of Indian myiasis-producing flies are described with illustrations. 

 The only satisfactory method of isolating a particular species during 

 breeding experiments is to place the larvae in paper bags, care being 



