CHAP. Vl] THE DENTAL SYSTEM OF THE PRIMATES 



267 



structure. The teeth so modified may be derived from either the 

 upper or lower series. 



Such are the principal features of these teeth. By way of 

 comment it is permissible here to remark (a) that the analogy 

 of the bovine tooth is only partial, since in that type the whole 

 crown is enlarged and increased in vertical extent, the roots 

 becoming or remaining quite short and the pulp-cavity failing to 



Fig. 198. Tracings (from skiagrams) of various molar teeth. The specimen 

 K.o. (from Krapina) shews the conjoined roots characteristic of teeth found at 

 Krapina, and in Jersey at St Brelade's Bay. The large pulp-cavity of the Krapina 

 teeth should be noted. K.o., K.C., K.E., K.G., from Krapina. H. Mauer. 

 (From Kramberger.) 



extend towards the crown ; (b) that the anomalous character of 

 fusion is shewn (by Kramberger himself 1 ) to occur in modern 

 human dentitions, so that its presence in the Krapina teeth is not 

 absolutely distinctive : (c) that in spite of this last consideration, 

 the frequency with which the molars especially the third or last of 



1 Anat. Anzr. Band xxi. 1907, pp. 131, 132, 133. 



