46 T. D. A. and W. P. Cockerell on Bees. 
regions being so distinct from one another in general appear- 
ance, and have, besides the characters given by Dobson, the 
very important difference in the incisor teeth. 
The first upper incisor in Glauconycterts is bifid, having 
an outer or rear cusp. 
Glauconycteris Flowert, sp. n. 
Colour above pale fawn, the bases of the fur greyish; the 
lower side cream-colour, yellower on the throat, paler on the 
belly. The fur on the forehead ends in a point barely in 
advance of the eyes, and the furred area is limited in extent 
in all directions, barely encroaching on to the upper arms, 
and leaving the tail and legs entirely bare. The skin of the 
face and ears is nearly black and naked, with the exception 
of a few short hairs more conspicuous round the lips. The 
wing-membrane is pale and transparent, with the veins and 
lines showing slightly darker; the posterior portion in front 
of the tibie and the distal portion of the interfemoral mem- 
brane is yellowish white. The upperside of the forearms, 
legs, and tail, and all the proximal portion of the wings and 
interfemoral membrane, are thickly studded with dark warty 
papillee. 
The measurements of the type taken by the collector from 
the animal in the flesh, an adult male, are:—Iead and body 
47 millim., tail 54, hind foot 5°5, ear 12, forearm 35. 
The specimen in spirit gives the following measurements :— 
Head and body 42, tail 34, hind foot 5°8, ear 12, forearm 
36°5. 
In size and general colour this bat somewhat resembles 
Scotophilus Schlieffent: the body-colour is, however, paler 
above and brighter on the lower parts, and the furred area is 
less extensive; but the paler wing-membrane, the dark face, 
and the extraordinary shagreening on the forearms, tail, and 
surrounding membranes distinguish this new species at a 
lance. 
The skull is readily distinguished from that of Scotophilus 
by its rounded form and short facial portion ; the lower jaw 
is likewise more rounded or blunter. 
VILI.— Contributions from the New Mexico Biological Station, 
—IX. On certain Genera of Bees. By T. D. A. and 
WILMATTE P. COCKERELL. 
(1) AwruornoRivz. 
InTrans. Amer. Ent. Soc. xxvi. 1899, pp. 58-64, Mr. W. H. 
Ashmead has given tables for the separation of the genera of 
