1906.] 



ANTHROPOID APES. 



467 



fully adult skin and skeleton and several skulls of Simla vellerosus 

 fidiginosus (Schauf.), and from these I am able to point out the 

 most striking diflferences between the skulls of this form and of 

 an adult Simia vellerosus and to give measurements of both. The 

 specimens came from Sette Oama. 



Simia vEiiLEKosus. 



Crista sagitalis : 



Slightly developed ; greatest height 

 3 mm. 

 Supra- and exoeeipital ancJiylosed : 

 Ovoid; from top of crista to base of 

 foramen magnum, 47 mm. ; width 

 83 mm. 

 JParietals (together) : 



Length 62 mm. ; breadth 95 mm. 

 Frontal s (together) : 



Length 76 mm. ; breadth at arcus 

 superciliaris 114 mm. 

 Nasa Is : 



Length 36 mm. ; breadth 15 mm. 

 Fremaxilla : 



Length 30 mm. ; breadth across canines 

 62 mm. 

 Length of skull front of arcus super- 

 ciliaris to front of Fremaxilla 

 97 mm. 

 S.inder surface of head : 



Greatest breadth at mastoid processes 



123 mm. 

 Bi'eadth above mastoid processes 85 mm. 

 Foramen magnum : 

 Length 30 mm. ; breadth 25 mm. 

 Breadth outside occipital condyles 

 39 mm. 

 JBasioccipital : 

 Length from front edge of foramen 

 magnum 28 mm. 

 Occipital condyles : 



Breadth at base 38 mm. 

 Breadth at anterior edge 29 mm. 

 Vomer : 

 Length 24 mm. 

 Breadth 9 mm. 

 Pterygoid processes of sphenoid : 

 Length 35 mm. 

 Breadth singly 13 mm. 

 Breadth across 50 mm. 

 Jirticular condyle of lower jaw : 



Width 26 mm. 

 Coronoid process : 



Greatest width 18 mm. 

 Width between coronoid process and 



articular condyle 24 mm. 

 Width from outside coronoid process to 



outside articular condyle 64 mm. 

 Width between canines of upper jaw 



39 mm. 

 Loiver jaiv from base of canine to outer 



edge of articular condyle 128 mm. 

 Width oi facial part of skull at zygoma 

 124 mm. 



SiMIA V. FULIGINOSUS, 



Strongly developed ; greatest height 

 9 mm. 



Triangular; from top of crista to 

 base of foramen magnum 47 mm. ; 

 width 77 mm. 



Length 72 mm. ; breadth 87 mm. 



Length 76 mm. ; breadth at arcus 

 superciliaris 106 mm. 



Length 30 mm. ; breadth 16 mm. 



Length 33 mm.; breadth across 

 canines 58 mm. 



95 mm. 



126 mm. 

 84 mm. 



Length 25 mm. ; breadth 21 mm. 



41 mm, 



28 mm, 



37 mm, 

 26 mm. 



23 mm. 



10 mm. 



41 mm. 



11 mm. 



42 mm. 



24 mm. 



29 mm. 



58 mm, 



32 mm 

 135 mm, 

 106 mm. 



Besides the very striking differences in the supra- and exocci- 



