belonginKj to the Genus CrociJur.i. 513 



«". Fur short. Tftil not distinctly bicolor. 

 (L'sambura, G.E.A.) 



(.•W) lelutina, Tlios. 

 A'. Fur normal. Tail brown above, white 

 bolow. (Charuia K., U.K. A.) 



(3')) bttii, sp. n. 

 b''. Tail markedly incrassated at base. (Jom- 

 beni liauge, U.K. A.) 



(40) percivali, sp. n. 



6'. Size small : head and body 70-^0 mm. ; tail 



37-40; hind foot ll' 13; le'n^'th of .«liull 21. 



rt\ Colour above ])ale butlV brown, fadiufrgradually 



into dirty greyish buli'below. (Mozambique.) 



(30) sacra/iJi, Pet. 



d\ Colour above broccoli-brown, sharply marked 



ort' from greyish white of ventral' surface. 



(Lado.) (37) liifrell<i, Hell. 



6\ Tooth-row shorter (80 mm.). Colour above dull 

 brownish buff, below dirty prey. (Tropic of 

 Capricorn, 8. Africa.) .... (31) maritjuensis, Smith, 

 c*. General colour very pale cinnamon or pale smoky 

 grey. 

 a\ Size larger : head and body 92-100 mm. ; skull 

 26 mm. or more in length. 

 «'. Tail longer (69 mm.). Broccoli-brown above, 

 drab-grey below. (Mazeras, B. E.A.) 



(43) sudhelce, Hell, 

 6*. Tail shorter (48 mm.). Above slaty grey washed 



with brownish, below white. (Xguruman, 



G.E.A.) (41) fischeri, Pag. 



6'. Size smaller : head and body 64-93 mm. ; skull 

 less than 25 mm. in length. 

 a*. Tail longer (43-53 mm.). 



rt\ Colour above pale snuff or light cinnamon, 

 ■white below. (Molopo R., Bechuanaland.) 



(38) desert {, Schw. 

 6'. Colour above slaty, below dull yellowish or 



greyish white. (Voi, B.E.A.) 



(42) voi, Osg. 

 6'. Tail shorter (less than 35 mm. in length). 



a". Colour above pale cinnamon-drab, below 

 creamy grey. Tooth-row 103 mm. ; upper 

 uuicuspids normal. (Bahr-el-Ghazal.) 



(39) hutleri, Thos. 

 6\ Colour above pale smoke-grey, below pure 



white. Tooth-row 9*4 mm. ; upper unicuspids 

 crushed close together. (Somaliland.) 



(44) smithi, Thos. 

 <f. General colour grey or greyish brown. 



a^. Colour pale grey or greyish brown. 

 o*. Last upper molar well developed. 



a\ Size larger : head and body 87-98 mm. ; tail 

 50-61 ; hind foot 14-16. 

 m". Anterior corners of brain-case rounded. 



