THE GREAT ANTEATER. 139 



r. Cricothyroideus. 

 s. Thyrohyoideus. 

 tr. Trapezius. 

 t. Atlanto-acromialis. 

 u. Atlantoscapularis. 

 u'. Axioscapularis. 

 V. Stylohyoideus. 

 7v. Sternomaxillaris. 

 X. Parotid gland. 

 y. Sternocervicalis. 

 z. Sternomastoideus. 

 Fig. 3. The oral and nasal canals, pharynx, larynx, and beginning of the cEsophagus 

 and trachea, vertically and longitudinally divided. 



a. Opening of the mouth. 



b. Tongue. 



c. Style passed through the external nostril into the cranial part of the nasal 



canal c-c. 

 e-e. Postcranial part of the nasal canal. 

 i, i. Sternoglossi. 

 a, p. Prelingual part of the mouth : the faucial fasciculi of the genioglossus are seen 



through the thin membrane of the dilated part of the mouth, 

 q, s. Postlingual part of the mouth, 

 s. Prehyoid pouch. 

 t. Tonsil. 



u. Uvular part of soft palate. 

 V. Epiglottis. 

 w. Arytenoid cartilage. 

 X. Chorda vocalis. 

 y. Cricoid cartilage. 

 z. Trachea. 



PLATE XL. 



Fig. 1. Head and fore part of body of the Weasel-headed Armadillo {Dasypus sex- 

 cinctus), dissected to show the submaxillary glands and reservoir. 



Fig. 2. Lower jaw, larynx, submaxillary gland and reservoir of the Dasypus Peba. 



Fig. 3. Salivary structures of the Small Anteater {Myrmecophaga didactyla). All the 

 figures are of the natural size : the letters indicate the same parts in each. 



a. Labial gland. 



b. Postorbital gland. 



c. Submaxillary (subcervical) gland. 



d. (fig. 1) Slender anterior prolongation of ditto. 



