2 SMITHSONIAN MISCELLANUOUS COLLECTIONS VOL. 66 



which in Pctrodrornus extend from near the plane of the anterior 

 border of pni^, in palatine plate of maxillae, to line of center of w^ 

 in the palatines. Teeth in general as in Petrodromfis, but pm^ ap- 

 parently always a simple hooked cone, without small posterior spikelet 

 as in Petrodromus; and pni^ more complex, deeply grooved on outer 

 side, and distinctly f our-cusped. 



The forms included in the genus are Cercoctenus sultan (Thomas) , 

 CeYcoctenus sultan sangi (Heller) , and Cercoctenus schivanni 

 (Thomas and Wroughton). 



RHINOLOPHUS KENIENSIS, sp. nov. 



Type from west side of Mount Kenia, British East Africa, at 

 7,000 feet altitude. United States National Museum No. 166352, 

 adult male in alcohol with skull removed. Collected x\ugust 27, 

 1909, by Edmund Heller. Orig. No. 11 54. 



Description. — A small member of the Rhinolophus augur group, 

 differing from R. a. sainbesiensis in the small size of the nose-leaf 

 (greatest width of horse-shoe, 6.8; compared with 8.0-8.3 in sam- 

 besiensis), shorter forearm, and shorter tibia. Skull somewhat 

 larger, with slightly more robust teeth, than in cambesiensis. 



Measurements of type. — Forearm, 52 mm.; tibia, 21; greatest 

 length of ear from anterior margin, 18.9 ; greatest width of ear, 12.2 ; 

 third finger metacarpal, 34.8; first phalanx, 17.4; fourth metacarpal, 

 39.5; first phalanx, 11. 3; fifth metacarpal, 40.3; first phalanx, 12.8. 

 Skull : Greatest length, 22.8 ; condylobasal length, 20.4 ; zygomatic 

 breadth, 12; postorbital constriction, 3; mastoid breadth, 10.7; man- 

 dible, 15. Teeth: Canine to m^, 8.6; breadth across upper canines, 

 6.6 ; greatest breadth across upper last molars, 8.4 ; lower canine to 

 W3, 9. 



Remarks. — This new bat is readily separable from all the other 

 species of Rhinolophus known from British East Africa by the 

 combination of narrow horse-shoe, hairless sella, and position of 

 small upper premolar entirely without the tooth row. It is doubtless 

 a northern representative of R. augur, and perhaps it intergrades 

 directly into R. a. sambcsiensis. Doctor Lonnberg and Mr. Oldfield 

 Thomas have recorded R. a. sambcsiensis from Kilimanjaro, ^ but 

 I am not aware that a member of the group has up to now been noted 

 in British East Africa. * 



Specimen examined. — One, the type. 



^Lonnberg, Wiss. Erg. Schwedischen Zool. Exp. Kilimandjaro, Mamm., 

 pp. 8-10, 1908; Thomas, Ann. and Mag. Nat. Hist., ser. 8, Vol. ti, p. 315, 

 March, 1913. 



