OP THE TONGUES OF THE MAMMALIA. 



125 



fig. 15, nos. 6-9) and fusiform types (text- fig. 15, no. 10) by the 

 papilla shown in text-fig, 10, no. 5. Cylindrical papillaj may he 

 long or short, and bear one or more points (text-fig, 15, nos. 9, 

 25, 26). 



The papillaB may be recurved, and have an entire or divided 

 apex (text-fig. 15, nos. 11-13), and the base from which it springs 

 may be smooth or granular ; also the point may be rounded and 

 umbilicated (text-fig. 15, no. 14). 



Text-figure 15. 



.o_ 



^^MSl 



[JJLaA 



29 30 



The different macroscopic appearances presented by the conical papillse. 

 Details in text. 



The triangular group may have straight, serrated, or curved 

 sides, and the apex may have one, two, or many points (text-fig. 

 15, nos. 15-18). 



The members of the oval group may have plain or pointed 

 sides, and the most complex form resembles the calyx and corolla 

 of some flowers (text-fig. 15, nos. 19-23)„ 



In most animals the points of the papillae in the centre of the 

 dorsum are directed backwards, and those at the sides look 



