1871. ] MR. ST. GEORGE MIVART ON HEMICENTETES. 67 



With the corrections and additions* possible at this date the 

 osteological characters of these groups may be stated as follows :— 



GaLEOPJTHECIDjE. 



Galeopithecus, Pallas f 



Dentition: I. ^, C.^, P.M.g, M.g?=34. Cranium broad, 

 depressed ; muzzle obtuse ; skull broadest between posterior roots of 

 zygomata, which are complete and strong, but short ; well-developed 

 postorbital processes, sometimes enclosing orbits ; margin of orbit 

 sharp, with a small process in front; orbit large, temporal fossa 

 rather small ; a tympanic bulla j no alisphenoid canal ; concave pos- 

 terior margin of palate far forwards ; pterygoid fossa minute ; no 

 basisphenoidal or paroccipital processes ; large swollen mastoid pro- 

 cess on each side ; strong postglenoid process, tending much for- 

 wards; optic foramen large; foramen rotundum and sphenoidal 

 fissure represented by one opening ; a supraorbital, but no suboptic 

 foramen ; several small suborbital foramina on each side ; anterior 

 palatine foramina very large; lachrymal foramen small, opening 

 within the orbit ; upper canine and second incisor each with two 

 roots ; lower incisors pectinated ; upper and lower molars very com- 

 plex. Thirteen or fourteen dorsal, five or six lunar, five or six'sacral, 

 and many caudal vertebrae ; ribs very broad ; clavicles long, a scapho- 

 lunar bone, but no os intermedium ; ulna anchylosed to radius ; fibula 

 complete, but smallest towards its upper end ; metatarsals shorter 

 than digits ; five digits to each extremity ; a large caecum. 



Bab. South-eastern Asia and Indian archipelago. 



Macroscelidice. 



Dentition: I. 3-3, C. *=*, P.M.g. Skull broadest between pos- 

 terior roots of zygomata, which are complete and rather deep ; orbits 

 not encircled by bone ; generally no postorbital processes ; dorsum 

 of muzzle concave transversely ; palate sometimes decidedly extend- 

 ing backwards beyond last molar; orbit large, temporal fossa very 

 small ; a tympanic bulla ; no paroccipital process ; no alisphenoid 

 canal, malar imperforate ; carotid, postglenoid, and suboptic fora- 

 mina ; one opening representing both sphenoidal fissure and foramen 

 rotundum; foramen ovale large; lachrymal foramen opening well 

 within the orbit ; coronoid process of mandible not rising much, if 

 at all, above condyle; canine close to premaxillary suture; last 

 upper premolars not more vertically extended than the true molars ; 

 upper molars quadricuspid, the anterior and posterior cusps being 

 connected by transverse ridges. Thirteen dorsal and six or eight 

 lumbar vertebras, lumbar transverse processes much extended antero- 



* Prof. Flower in his ' Introduction to the Osteologv of the Mammalia ' 

 p. 149, has noticed the conditions of the tympanic in the different group H 



t Pallas, Act. IMrop. iv. 1. p. 208, tab. viii. : De Blainville, « Ostewn-aphie ■ 

 Lemur, pis v. vni., ,s. ; Waterhouse, Trans. Zool. Soc. ii. p. 335, pi. lviii. •' 

 Wagner, Schreb. Supplem. i. p. 318, v. p. 522 



