424 



ACERODOX nUMlLtS. 



4. Acerodou liumilis, A'. AixJ. 



Acerodoii luiiuilis, A'. Aiulertien, Ann. Sf May. N. H. (8) iii. pp. 24, 2o 

 (2 Jan. 1909 : Liioiii?, Talaut Is.). 



Diagnosis. — A distinct antero-internal basal cusp in p^ ( as -well 

 as in ])^, ])*, and m'). Ears shorter than muzzle, not attenuated 

 above, tip rounded ofT. General colour of head, back, and under- 

 ])arts neai-ly seal-brown, sprinkled wilh paler hairs ; collar dark 

 russet; no light nuchal patch. Size small : forearm about 140 mm. 

 Hab. Talaut Islands. 



Skull ami teetli. — Skull not differing appreciabl)' from that of 

 A. relebensis, except in the somewhat lower rostrum and slightly 

 smaller orbits ; palation border simple, without median notch 

 (compare A. maclloii). Cheek-teeth short and broad as in 

 A. mackloti, much heavier than in A. celeheiisis ; antero-internal 

 basal cusp of j)' distinct, but small, that of p^ well differentiated. 



Ears. — Very difl'erent from the long subacutely pointed ears of 

 A. celebensis,'macM<iti,aud c/ilvus, rather similar in shape to the ears 

 of Pteropus hyportielanus. 



Externnl measurements of Acerodon celebensis, gilvus, and humilis. 



A. celeheiisis. 

 '6 act.* 



Forearm 



Pollex, total length, c. u 



,, metacarpal 



,, 1st phalanx 



2nd digit, metacarpal 



„ 1st phalanx 



,, Snd-ord phalanx, c. n. 

 3rd digit, metacarpal 



„ l.st plaalanx 



,, 2nd phalanx 



4tb digit, metacarpal 



,, 1st piialanx 



,, i;nd phalanx 



5th digit, metacarpal 



„ 1st phalanx 



„ 2nd phaianx 



Ears, length froni orifice 



„ greatest width, Battened ,. 



Front of eye to tip of muzzle 



Interferaoral in centre, depth 



Lower leg 



Foot, c. u 



Calcar 



MiN. Max. 



mm. 



130 

 60-5 

 125 

 31 

 65-5 

 15-5 

 14 

 01 

 63 

 97-5 

 89 

 52 

 55 

 92 

 3b-5 

 32 

 29 

 IS 

 24 

 3 

 58-5 



li" 



mm. 

 140 



61 



13-5 



32-5 



68 



16 



14 



93 



65-5 

 100 



93 



54'5 



58 



96-5 



42-5 



38-6 



29 



19 



25-5 

 4 



60 



41 5 



11 



A. qilims. A. Itumilis. 

 e ad. ? ad. 



Type. Type. 



mm. 

 135 



69-5 



135 



31 



65 



14-6 



15"o 



91-5 



62-6 



92 



90 



51 



51 



94-5 



39 



35-5 



?43 

 11-5 



mm. 

 140 t 



57 



13-5 



30 



66 



15 



15 



89-5 



635 



98-5 



88 



54 



53 



925 



39 



38 



24 t 



16; 



?57 



i'l-s 



* B.M. 94.7-4.2,3, rf' ad., 5 ad., Luwu; Leyden Museimi. a, "Celebes." 

 t Estimate (forearms incompiele;. \ Hesoflened ears of skin. 



