152 BULLETIN 99, UNITED STATES NATIONAL MUSEUM. 



Family GRAPHIURID^. 



Genus GRAPfflURUS Smuts. 



1832. Graphiurus Smuts, Enum. Mamm. Capensium, p. 32. (G. capensis=G. 

 ocularis.) 



Two distinct species-groups of dormice are found in the collections 

 from eastern equatorial Africa, and are readily distinguishable by 

 size of skull. The larger forms appear to be subspecies of the South 

 African Graphiurus murinus and the smaller forms ajl closely resemble 

 Graphiurus parvus. 



GRAPHIURUS MURINUS GRISEUS AUen. 



Plate 37. 



1912. Graphiurus microtis griseu^ G. M. Allen, Bull. Mus. Gomp. Zool., vol. 54, 

 p. 440. April. (Northern Guaso Nyiro River, British East MricS; type 

 in Mus. Comp. Zool. at Harvard.) 



1912. Graphiurus murinus johnstoni Heller, Smithsonian Misc. Coll., vol. 59, 

 No. 16, p. 2. July 5. (Mount Gargues, Mathews Range, British East 

 Africa; type in U. S. Nat. Mus. Not Graphiurus johnstoni Thomas, 1897.) 



Specimens. — Twelve, from localities as follows: 



British East Africa: Burgunett River, Mem Road, 1 (Heller); 

 Isiola River, 3 (Heller) ; Lesiweru River, Meru Road, 1 (Heller) ; 

 Mount Gargues, 3 (Heller); Mount Lololokwi, 3 (Heller); Nyuki 

 River, 1 in alcohol (Heller) . 



This form of Graphiurus murinus is very much like G. m. saturatus, 

 but is grayer in color. The specimen from Lesiweru River is dis- 

 tinctly intermediate between griseus and raptor; it has the skull and 

 large auditory bullae of griseus with the color of the Kenia sub- 

 species. Through the kindness of the authorities of the Museum of 

 Comparative Zoology I have been able to borrow the type-specimen 

 of Graphiurus microtis griseus Allen, and thus by actual comparison to 

 prove the identity of this form with Heller's ' 'Graphiurus murinus 

 johnstoni,^' the name of which was already preoccupied by the Gra- 

 phiurus johnstoni of Thomas. 



GRAPHIURUS MURINUS RAPTOR DoIIman. 



1910. Graphiurus raptor Dollman, Ann. and Mag. Nat. Hist., ser. 8, vol. 5, p. 



96. January. (West slope of Mount Kenia, British East Africa, at 11,000 



feet; type in British Museum.) 

 1910. Graphiurus raptor Roosevelt, African Game Trails, Amer. ed. p. 472; 



London ed., p. 484. 

 1914. Graphiurus sp. Cockerell, Miller, and Printz, Zool. Anz., vol. 44, p. 



435. June 23. 



Specimens. — Twenty-nine, as follows: 



British East Africa: West side of Mount Kenia at 8,500, 10,000 

 and 10,700 feet, 29, including 1 in alcohol (Loring, Mearns). 



This high mountain subspecies is easily distinguished from the 

 neighboring forms by its cinnamon gray coloration and small auditory 



