On a tieic Fhh from BrUlsh East Africa. 519 



position is in Anteliomys, of which it is considerably the 

 smallest species. 



There is, however, no doubt that Eothenomys, Anteliomys, 

 and Cari/onit/s are all nuich more closely allied to each other 

 than lias hitherto been recognized, and it is really only by 

 1 he open or closed state of certain of the tooth-spaces and by 

 the simple or complex condition of m^ that they can be 

 distinguished from each other. 



9. Ochotonia roylei chinensis, Thos. 



? (imm.). 25. A-tun-tsi. 16,000'. 



A form of Pika only recently discovered at Ta-tsien-lu by 

 Capt. F. M. Bailey. 



LYI. — Description of a neio Fish from British East Africa. 

 By G. A. BOULENGER, F.R.S. 



(Published by peniiission of tlie Trustees of the British Museum.) 



Tila^/ia grahami. 



De)-)th of body 3 to 3^ times in total length, length of head 

 2^ to 2^ times. Head large, 1| to 1§ times as long as broad ; 

 snout rounded, with convex upj)er ))rofile, much broader than 

 long, I postocular part of head ; eye 3| to 4^ times in length 

 of head, a little greater than praorbital depth ; mouth large, 

 I width of head, extending to between vertical of nostril and 

 anterior border of eye ; lips very strongly developed, the 

 lower forming a very distinct lobe on each side ; teeth mode- 

 rately slender, in 4 series, 30 to 34 in outer series of ujiper 

 jaw ; 3 series of scales on the cheek, w idth of scaly part 

 nearly equal to diameter of eye. Gill-rakers short, 10 or 11 

 on lower part of anterior arch. Dorsal XI 11—12 ; spines 

 feeble, subequal from the third, which measures ^ length 

 of head. Anal III 8-9 ; spines feeble, like the dorsals. 

 Pectoral ? to | length of head, not reaching origin of anal. 

 Ventral not reaching vent. Caudal rounded. Caudal 

 peduncle as long as deep. Scales cycloid, 28-30 ~ ; lateral 

 lines ^/f ; breast and belly n;iked. Dark blue above, witii 

 more or less distinct, ill-detined darker bars ; sides with pale 

 blue spots; dirty white beneath ; lower labial lobe perfectly 



