1901.] 



CHLAMTDOPHORtrS TErUNCATUS. 



119 



seems ') cannot be identified with the part of the subliugual 

 glaud in connection with BarthoHni's duct in Man, although in 

 structure it agrees with the sublingual. 



Text-fig. 19. 



Salivary glands of Three-toed Sloth {Bradypus tridaclylm). 



p.gl., parotid gland. I s.d., Stensen's duct. 



s.p.gl., socia parotidis. | 



Other letters as in text-fig. IS. 



Now, apart from the question of the identification of the retro- 

 lingual gland with part of the sublingual, which does not actually 

 concern us here, there can be no doubt, I think, that the two 

 ducts coming from each submaxillary gland in these Edentates are 

 in reality the ducts of a retro-liugual and submaxillary gland, and 

 that, of tlie two lobes of the gland, the anterior is from its position 

 the retro-lingual, and the larger posterior lobe the true sub- 

 maxillary ^. 



^ In this connection see Ranvier's figure of the retro-lingual gland of the Pig. 

 in which the anterior end of the gland extends in front of the lingual nerve. 



2 The tissues were not sufficiently well preserved to allow of microscopic 

 examination. 



