PROF. OWEN ON THE ANATOMY OF THE INDIAN RHINOCEROS. 57 



left reflected ; o, the right arytenoideus, reflected ; e, thyro-cricoideus ; c, 

 articular tubercle, with a synovial surface for the joint with the base of the 

 arytenoid cartilage. 

 Fig. 2. Back view of the larynx, showing in addition to the foregoing, — k, the com- 

 missural cartilage of the arytenoidei muscles o o ; g, the right thyro-aryte- 

 noideus ; m, the superior labia of the glottis ; n, the upper ' chorda vocalis' ; 

 t), the lower 'chorda vocalis' bounding the entry of the laryngeal sac ; /, the 

 fibro-cartilage giving attachment to the epiglottideal fold of membrane /, 

 which bounds the upper part of the suprachordal sacculus. 



PLATE XVI. 



The urinary bladder, vasa deferentia, vesicular, prostatic, and Cowperian glands (one- 

 fifth natural size). The letters are explained in the text. 



PLATE XVIL 



Fig. 1. Muscles of the penis: c, crura penis; pr, reflected prepuce; gl gl, glans 

 penis ; r, lateral lobes of glans ; a, terminal appendage of glans ; I I, car- 

 neous mass of levatores penis ; I' beginning, and I" insertion of the common 

 tendon of the levatores, which runs along the ' dorsum penis '; 1 1, retractores 

 penis. 



Fig. 2. Front view of terminal fossa, and appendage of the glans penis : u. the orifice 

 of the urethra. 



Fig. 3. Oblique view of the same parts, showing, e e, the borders of the fossa ; p, the 

 peduncle of a, the discoid appendage ; //, its upper and lower fraena ; u, 

 urethral orifice. 



Fig. 4. Part of the ' cervix vesicae ' showing the common orifices, into which bristles 

 are inserted, of the vasa deferentia and vesicular glands, upon the crucial 

 verumontanum ; and the smaller excretory pores of the prostatic lobes. 



PLATE XVIIL 



The female organs of generation (one-fifth natural size) : op, ovarian capsules ; /, 

 fimbrias of oviduct ; p, valvular papilla on which the oviduct terminates in 

 the uterus ; u' u, cornua uteri, the left laid open ; a probe is passed through 

 the coats of the right cornu to show the place of confluence of the cornua 

 with the ' corpus uteri ' ; //', valvular folds of ' cervix uteri ' and ' fundus 



