234 



W. HAROLD LEIGH-SHARPE 



CHIMAERA (HYDROLAGUS) COLLIEI 



This small Pacific species, taken near Monterey, California, 

 measuring 49 cm. in length, differs from Chimaera monstrosa 

 (Memoir IV, p. 201) in the following particulars: The anterior 



Fig. 14 Chimaera colliei. Ext. R. and Int. R., the external and internal 

 radii of the posterior clasper. CI. Gr., clasper groove; A., apopyle; Ant. CI., 

 anterior clasper; Pch., pouch of anterior clasper; Sp., spike; Pg., peg; Cor., 

 corolla of skin, an enlarged view from the posterior aspect of the distal end of the 

 left external radius. 



claspers bear but 3 spines on their morphological inner border 

 and their pouch is more widely open. The pelvic fins, of similar 

 shape, do not so completely cover the posterior claspers, which 

 are markedly different from those of the other species (fig. 14). 

 Both the external and the internal radii are grooved, so that, 



