153 



Lebailly (C.) & Caillon (L.). Le Trypanosome de Bufo mauritanicus. 

 — Arch. Inst. Pasteur, Tunis, xi, no. 1, June 1919, pp. 28-30, 1 

 plate. 



The authors have studied in Tunis the trypanosome found in the 

 blood of Bufo mauritanicus, which they describe ; they have arrived 

 at the conclusion that it is identical with Tryi)anosoma bocagei, Fran9a, 

 found in the blood of Bufo regularis in Portuguese Guinea. 



NicoiLE (C.) & Lebailly (C). Recherches sur les Maladies a Spiro- 

 chetes du Rat transmissibles au Cohaye. -Arch. Inst. Pasteur, 

 Tunis, xi, no. 1, June 1919, pp. 6-13. 



Experiments described in this paper show that the virus of infective 

 jaundice, while apparently inactive upon the rats, mice and guinea- 

 pigs tested, is retained by them for a long time, perhaps indefinitely. 

 Certain guinea-pigs die after inoculation without showing the charac- 

 teristic lesions of infective jaundice ; in such cases it is necessary 

 to pass the virus on from them by inoculation into a second guinea-pig. 

 In the case of a mouse carrying spirochaetes, the virus did not pass 

 from the female to the offspring, and inoculation from the organs of 

 a foetus from a female infected with spirochaetes did not infect a 

 healthy guinea-pig, but rendered it immune to test inoculations. 

 The virus is apparently no better preserved in leeches than in a 

 refrigerator. 



Metz (C. W.). Anopheles crucians, Wied., as an Agent in Malaria 

 Transmission.— C/'.>S. Public Health Repts., Washington. D.C., 

 xxxiv, no. 25, 20th June 1919, pp. 1357-1360. 



Investigations with regard to the importance of Anopheles crucians, 

 Wied. [see this Review, Ser. B, vii, p. 47] have been continued. Although 

 the habits of this mosquito are probably less conducive to natural 

 infection than those of A. quadrimaculatus, it is evident that a certain 

 amount of infection occurs owing to the susceptibility of A. crucians 

 to infection under natural conditions, and it is a suitable host for 

 both aestivo-autumnal and tertian malaria. An attempt was made 

 to secure the relative number of infected individuals of A. crucians 

 and A. quadrimaculatus, and the percentage of infected individuals 

 was found to be approximately the same in both species, though 

 the amount of individual infection is greater in A. quadrimaculatus. 

 Although when compared with the latter, A. crucians would seem 

 unimportant as a malaria transmitter, reports have been received 

 from various districts showing a prevalence of malaria where A. crucians 

 was found to be the predominant, if not the sole Anopheline. To 

 judge by the habits of A. crucians it most probably bites only out 

 of doors, its occurrence in dwellings being very rare ; this fact must 

 be taken into consideration as regards preventive measures. 



Abbott (W. S.). A Study of the Effect of Storage, Heat, and Moisture 

 on Pyrethrum. — U.S. Dept. Agric. Washington, D.G., Bull. no. 

 771, 21st February 1919, 7 pp. 



An abstract of this paper will be found in this Review, 8er. A, vii, 

 p. 362. 



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