514 



DR. C. P. SONNTAG ON THE ANATOMY 



Humboldt's Saki (P. monachus). 



Flower (3) describes the tongue as follows : — " The length of 

 the tongue, from tlie base of the epiglottis to the tip. is 1*4 inch ; 

 its breadth "5 inch ; its sides are parallel, the end square, with 

 the corners slightly rounded. The sublingual organ is fleshy, 

 except towards the end, which is sharp-pointed and cleft at the 

 extreme tip ; it is free to the extent of '25 inch, and its apex is 

 •3 from the tip of the tongue." 



In a hitherto unpublished note Garrod states that the tongue 

 of Pithecia cilhinasa has a triangular vallate papillary .irea. 



Genus AC A jag. 

 The Bald Ouakari {C. calva). 



The specimen had been preserved, so no measurements were 

 made. 



The ajiex and lateral borders have the usual characters, but fine 

 lateral striae, only visible on high magiiitication, run in from them 

 across the doi-sum. 



Text-fio-ure 48. 



i^'-ysWK 



Tlie tongue of Cacajao calva. 



The Circiomvallate Papillce (text-fig. 48 A). — Three vallate 

 papillfB form an isosceles triangle whose apical papilla, is far from 

 the epiglottis; the basal pa,pilla3 are close to the edges of the 

 tongue. The apical papilla is small and the basal ones laige, the 

 foss£e are all well-marked and the Valiums are nodular. 



2'he Fungiform PajiiUce (text- fig. 48 A &, B) form a dorsal 

 bounding zone on which they have the usual arrangement in 



