xcri 



SYNOPSIS OF GENEKA. 



L\ Incisors j— j (ii lost), i' much 

 shortened ; upper canines with 

 distinct vertical groove on an- 

 tevo-medial siu-tace. [I species: 



rhilippines.] 19- Ptenchirus, p. 643. 



t". Cranial rostrum as deep in front 

 (at canine) as at p'' ; no secondary 

 cusp in upper canines; tail ab- 



sent. [1 species :Indo-Malaya.] 20. Mer/^rojjs, \x bib. 

 j\ Tostoibital foramen extremely 

 small ; prenia.\^illae ankyloeed to- 

 gether in front; cheek-teeth = 

 (also p' lost); membranes from 

 second toe, tail present. [1 



species : Indo-Malaya.] 21. Dyacoptems, p. 6ol. 



J*. Postorbital foramen absent. 

 k". Incisors simple (terete, crown not 

 peculiarly differentiated), sub- 

 vertical, cheek-teeth not narrow ; 

 interfemoral and calcar unmodi- 

 fied. 

 c". p^ with autero-exterual basal lube 

 or cusp, 

 c" Pren)axilhe in simple contact 



2 2 



anteriorly ; incisors ^— •[ (i, 

 lost), i' much shortened, cheek- 

 teeth \ (only m3 lost), p' with 

 lar^e antero - external basal 

 . , lobe; wings spotted. C^ ^ _ ,. , . (.-, 



I ■■'■■■ ' species: Borneo.] 22, Bahonycten., p. 6-4. 



(V. Premaxillre solidly united au- 



2 2., 1 



teriorly; incisors^— 2,iiiorm at, 



cheek-teeth \ (m^ and m'* lost), 



p^ with well-defiued antero- : 



external basal cusp; wings 



(probably) not spotted. [I ^ ^, . p^^ 



species : Java.] . ^3. Clwonax, p. 0o8. 



d". p' unmodified. 



e'. Incisors |— g, i'^ normal, p^ and 



nil "^ith surface cusp: tail 



rudimentai-y,wing3 from second 



toe. [1 species: W. Austro- 



Malaya.] 24. Thooptems, p. 662. 



f\ Incisors \—\ {h lost), i* much 

 sbortened, no surface cusp in 

 any cheek-tooth ; tail about 

 half as long as foot with claws, 

 wings from first toe. [1 species: 



Indo-Malaya.] ._^. • • • 25. renthetor, p. 665. 



l\ Upper and lower incisors (^— ^) 



proclivous, croM-ns highly differ- . ' . 



entiated, triangularly pointed^ ^^ , ^^^^ 



