the Genus Nyctophilus. 495 



a. N. yeofroyi geoffroyi. 



Synonymy as above. 



Size smaller, a skull 14 mm. in condylc-basal length, 

 maxillary tooth-row 5'5. Bulla 4*0. Colour rather dark. 



Hah. West Australia. Type-locality, as identified by 

 Tomes *, Albany, King George's Sound. 



b. N. geofroyi pallescens, Tlios. 

 Ann. & Mag. N. H. (8) p. 79 (1913). 



Like true geoffroyi, but colour much paler. Skull : greatest 

 length 15'3 mm. ; maxillary tooth-row 5*7 ; bulla 3'8. 



Hah. Arid central region of Australia. Type-locality, 

 Alexandria, Northern Territory. Other specimens from 

 Lake Eyre, S. Austriilia, and Normanton, N.W. Queensland. 



Type. B.M. no. 7.1.4. 1. 



c. N. geoffroyi pacificus, Gray. 



BarbasteUus pacificus, Gray, Zool. Misc. p. 8 (1831) (" Islands of the 



Pacific "). 

 Nyctophilus unicolor, Tomes, P. Z. S. 18.58, p. 33 (Tasmania). 



Averaging rather larger than true geoffroyi. Type-skull 

 15'8 mm. in greatest length; maxillary tooth-row 5'5 ; 

 bulla 3*8. Colour dark. 



Hah. S.E. Australia and Tasmania. Exact locality of type 

 not known, but a specimen from Gippsland agrees closely 

 with it. A well-preserved series from Mt. Kosciusko in the 

 Australian Museum. 



TyjDe in the British Museum. — Old Collection. 



3. Nyctophilus sherrmi, sp. n. 



Size large, only slightly less than in N. major. Ears of 

 medium size for the genus. Colour faded in the only speci- 

 men available. Nose-leaf of a little-developed type, between 

 Nos. 1 and 2, therefore contrasting with the other Tasmanian 

 species, AT. geoffroyi (jyacificus), which has a No. 3 nose-leaf. 

 Baculum slender, the shaft but little curved, narrow and high 

 in section, tapering terminally to a fine point. 



Skull shorter than that of N. wo/or, the brain-case higher 

 and more rounded. Sagittal crest well developed. Tooth - 

 row decidedly shorter than in N. major. 



Dimensions of the type (measured on the spirit-speci- 

 men) : — 



Forearm 45 mm. 



* Cf. P. Z. S. 1906, p. 470. Specimen now B.M. no. 7. 1. 1. 338. 



