46 GAL AGO 



jaws, and in size are about equal to a small rat. \'arious genera have 

 been proposed for these animals, some of which may be advantageously 

 used as subgenera to include certain species with special affinities for 

 one another, but the groups can only be properly separated into two, 

 Galago and Hemigalago, distinguished by the presence or absence of 

 a cusp on the heel of the second upper premolar. 



LITERATURE OF THE SPECIES AND SUBSPECIES. 



1796. E. Geoffroy St. Hilaire, in Magasin Encyclopcdique. 



In this publication Galago senegalensis is first described from 



Senegal, West Africa. 

 1806. Fischer, in Memoires de la Societe Imperiale des Naturalistes 



de Moscou. 



Hemigalago demidoffi first described from Senegal, West 



Africa, and G. senegalensis redescribed as G. geoffroyi. 

 1812. E. Geoffroy, in Annates du Museum d'Histoire Naturelle, Paris. 



In a paper entitled "Suite au Tableau des Quadrumanes," this 



author mentions four species under the genus Galago, viz., G. 



madagascariensis which is a Microcebus, probably M. 



MURiNus; G. senegalensis; G. crassicaud.\tus described for 



the first time, and H. demidoffi, which belongs to a different 



genus Hemigalago. 

 1820. Desmarest, Mammalogie. 



In this work under the genus Galago, five species are recorded, 



only three of which can be retained, viz., G. crassicaudatus ; G. 



senegalensis ; and H. demidoffi. The other two are G. 



potto = Perodicticus potto E. Geoff., and G. madagascariensis 



= Microcebus murinus (Miller). 

 1837. Waterhouse, in Proceedings of the Zoological Society of 



London. 



Galago alleni first described from Fernando Po. 

 1839. Ogilby, in Proceedings of the Zoological Society of London. 



Galago g.\rnetti described as Otolicnus garnetti from Port 



Natal, East Africa. 



1839. A. Smith, Illustrations of the Zoology of South Africa. 

 Galago senegalensis E. Geoff., renamed Galago moholi. 



1840. Wagner, Schreber, Sdugthiere, Supplement. 



In this volume under the term Otolicnus Wagner gives 0. 

 galago Schreb., citing only Plate XXXVIII B, but no page. 

 This plate is lettered G. senegalensis, and he makes Geoffrey's 



