104 



at Berlin. In Kamerun, the following species are said to be found : — 

 Glossina ziemanni, Griinb., G. tachinoides, G. pallicera, G. caliginea, 

 G. palpalis and G. tabaniformis. G. tnorsitans and the whole of the 

 morsilans group are wanting. The specimens hitherto generally 

 recorded as G. tnorsitans, are probably G. tachinoides. G. ziemanni 

 was found once only. 



G. palfalis, G. longipalpis, G. morsilans and G. fusca are found in 

 Togoland. 



MoRSTATT (H.). Bestimmungsschlussel der in Deutsch-Ostafrika 

 bekannten Tsetsearten. [Key to the species of Tsetse in German 

 East Africa.] — Arch.f. Schiffs-u. Trop. Hyg., Leipzig, xviii, no. 16, 

 August 1914, pp. 574-575. 



The species of Glossina found in German East Africa are G. palpalis, 

 G. austeni {tacJiinoides of previous authors), G. morsilans, G. pallidipes 

 and G. brevipalpis. 



Koch (H). Bericht uber einen Versuch Glossina palpalis durch Fang 

 zu beseitigen. [An attempt to exterminate Glossina palpalis by 

 capture.] — Arch.f.Schiffs- u. Trop. Hyg., Leipzig, xviii, no. 24, 

 December 1914, pp 807-810. 



This paper describes an experiment carried out in the island of 

 Mugassiro in Mara Bay on the east of Lake Victoria Nyanza, from the 

 29th January 1913 to the 31st January 1914. Four expert fly- 

 catchers with nets were employed, one pair reheving the other every 

 three months. This change was necessary because the natives soon 

 tired of the monotonous work and also the results of one pair controlled 

 those of the other. The island is about 1| miles in circumference, 

 is uninhabited, and is covered with thick bush down to the beach. 

 It abounds in crocodiles. The fly-catchers slept on the mainland. 

 The daily catch of flies was put in glass vessels half filled with alcohol, 

 and sent, at ten day intervals, to the camp on the mainland, where 

 the flies were counted. In all, 74,382 flies were caught in 340 days, 

 49,883 being male and 24,499 female ; a similar preponderance of 

 males was maintained throughout. The largest average daily catch 

 (541) was made in April and the smallest (78) in December. The 

 average daily catch in January 1913 was 205 and in January 1914, 

 102 ; in January 1913, only three days were available. As the 

 figures show, the flies were not exterminated ; insufficient personnel and 

 the formation of the island are considered responsible for the poor 

 result. 



LiSTON (W G.). Report of the Bombay Bacteriological Laboratory for 

 the Year 1913. — Bombay : Govt. Central Press, 1914, 24 pp. 



Further experiments on fumigation by hydrocyanic acid gas are 

 described. A small, rat-proof, experimental store-room was filled with 

 bags of rice among which rats were allowed to run freely. Fumigation 

 destroyed all the animals, none being found within the grain bags_ 

 In rice, in bulk, fleas do not burrow deeply enough to escape the gas 

 which does not penetrate further than 2 or 3 inches into the grain [ 



