296 Messrs Duckworth & Fraser, A Description of 



is a strong tendency in certain quarters 1 to insist on a greater 

 approximation of the platyrrhine apes and Man than has hitherto 

 been regarded as justifiable, but we have tried to discuss in 

 an impartial manner the significance of the observations we have 

 made. 



The third and fourth figures of the plate shew palates of 

 crania of New Britain (Melanesian) aborigines of the Willey 

 Collection which has already afforded such excellent material for 

 research. These maxillae bear rudiments, viz. in Fig. 3, sym- 

 metrical masses on right and left sides and on the lingual margin 

 of the alveolar border, in Fig. 4, a single intermediate mass on the 

 left side only. 



CLASSIFICATION. 



The Numbers are those of the Catalogue of the Cambridge Museum. 



Class One rudiment between 2nd premolar and 1st molar, on one or 



A. both sides of Upper Jaw : 



Kaffir — 1774 (one side). 



New Britain — 3373 (see illustration, fig. 4), (one side). 



New Britain — 3355 (one side). 



New Britain — 3338 (both sides). 



New Britain — 3354 (one side), also Class C. 



Anthropoids : 



Gorilla, no. 3 (both sides). 



Gorilla, no. 5 (both sides), but see Class B. 



Gorilla, no. 7 (both sides). 



Gorilla, no. 8 (one side). 



Class Two rudiments, between 2nd premolar and 1st molar, on one 



B. or both sides of Upper Jaw : 



Aboriginal Australian — 2134 (two on each side of 



upper maxilla, additional incisor in lower jaw). 

 Aboriginal Australian — 2154 (one side). 

 Manitoba — 1837 (one side). 



Anthropoids : 



Gorilla, no. 5 (one side). 

 Gorilla, no. 10. 



Class Small pits or Fossae between 2nd premolar and 1st molar, 



C. on one or both sides of Upper Jaw: 



New Britain — 3334 (one side). 



1 Eecent work by Dubois is particularly to be consulted. 



