FIG. 113 



114 



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'^' ^^''^^'^^^^^^^^^^^ 



DS 



sc V 



Figs. 113-116A. — Spines and clasping organs of Chimreroids. 113. Clasping spine 

 of the forehead of male Chimcsra colliei. X 6. 114. Myriacanthus dorsal spine. (After 

 L. Agassiz.) 115. Frontal spine of male Sqiialoraja. (From SMITH WOODWARD.) 

 116. Ventral fin and clasping organs of male Chimara colliei. X i. 116 A. View of tip 

 of hinder clasper (intromittent organ), when the three tips are drawn together. 



A. Anus. ,-J /'. Anterior rim of ventral fin, specialized as a clasping organ. hC. Body 

 of the posterior clasper (intromittent organ). D. Dermal denticles. DS. Dermal spine- 

 like denticles. DT. Dermal tubercles. CD. Urinogenital aperture, y. Jointed base of 

 inner ventral element of intromittent organ. MC. Mucous canal. S. Sheath of frontal 

 spine. SC. Sperm groove of inner face of clasper. V. Ventral fin. 



J07 



