272 



SALT-WATER FISHES 



Family. 



Common Name. 



Genus. 



SpEcies. 



The Arctic Chimaera {Chimcera monstrosa) shows many 

 affinities to the sharks and rays, though Bashford Dean and 

 some other modern workers inchne to separate them somewhat 

 widely. Still, such features as the cartilaginous skeleton, the 

 male claspers, the blood-vessels, brain, spinal cord, and organs 

 of sight, smell, and hearing, cannot be overlooked, and all these 

 in the chimasra are essentially sharklike. The whiplike tail, 

 too, recalls the same organ in many rays. The most sharklike 

 of the three surviving genera is Harriotta, a long-snouted fish 

 occurring on the American coast. On the other hand, the tail 

 of Callorhynchus, the elephant-fish of Antarctic seas, is almost 



