22 



later. The Cayor worm, Cordylohia mithrojjophaga, appears in March 

 and then diminishes till it disappears in September. Auchmeromyia 

 luteoh. is very common in the native huts. GastrojiHiilus equi is very 

 common in the horse and the mule ; G. nasalis was once observed 

 in the duodenum of a mule. 



RoDHAiN (J.) & Bequaert (J.). SuF QuelquGs Oestrides du Congo. 

 [On some Congo Oestrids.] — Bull. Soc. Path. Exot., Paris, viii, 

 no. 9, 10th November 1915, pp. 687-695. 



This is a continuation of a previous communication [see this Review, 

 Ser. B, iii, p. 198]. Sufficient material has been collected to enable a 

 revision of the Oestrinae to be undertaken, and it is stated that the 

 synoptic table published by the authors in 1913 will recpiire serious 

 modification. The present paper contains an outline of the more im- 

 portant synonymy. A key is given to the generic characters of the larvae 

 of the Oestrinae, those of Cepheno7nyia, Latr., and PJiaryngomyia, 

 Schiner, being taken from Brauer. A similar key to the characters of the 

 adults is also given. Adults of the genera Pharyngomyia, Schiner, and 

 Aulacephala, Macq., are not known to the authors in nature. Brauer's 

 genus Pharyngobolus is but little known as an adult and may be 

 identical with Aulacephala. With regard to Cephalopsis (Oestrus) 

 titillator, B. Clark (0. macidatus, Wied.), the description and figures 

 given by Clark leave no doubt in the authors' minds that this is the 

 correct name for the camel Oestrid generally known as Cephalomyia 

 maculata. Though Oestrus variolosus, Lw., is widely distributed in 

 Africa, the larva is not known with certainty, but King's figures show 

 a great resemblance to that of 0. bertrandi, one of the authors' own 

 species, which they now regard as probably identical with 0. vario- 

 losus, Lw. They propose to substitute the generic name Kirkioestrus 

 for Kirkia, as this name is preoccupied ; two species of this genus are 

 known with certainty^ — K. surcoufi, Gedoelst, and K. minutus. There 

 is reason for thinking that K. surcoufi and A', blanchardi, Gedoelst, 

 are the same species, in which case the latter name must have priority. 

 Collectors are asked to do their best to obtain examples of the 

 parasites of the large mammals of Central Africa, as these latter are 

 threatened with extinction owing to the rapid development of the 

 country, and with them, the record of their parasites will be lost. The 

 breeding out of larvae is specially urged. 



RouBAUD (E.). Etudes biologiques sur la Mouche Domestique. 

 Methods biothermique de Destruction des Oeufs dans le Tas de 

 Fumier. [Biological studies of the Domestic Fly. Biothennic 

 method of destroying the eggs in manure heaps] — C.R. Soc. Biol, 

 Paris, Ixxviii, no 18, 3rd December 1915, pp. 615-616, 



Under the ordinary conditions existing in manure heaps, oviposition 

 by flies takes place within the first 24 hours of the addition of 

 each fresh lot to the heap ; the development of fermentation stops 

 oviposition. The author endeavoured to ascertain what were the 

 substances in horse-manure which in any way determined the 

 oviposition. The presence of fresh horse urine is not necessary ; 



