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TEXTBOOK OF ZOOLOGY 



toiy capule is extended far to the lateral of the base of the rostrum 

 instead of lying beside it. The orbit with the modified supraorbital 

 crest, preorhital process, and bladelike postorhital process are also 



Ventral 

 pancreas 



Cardiac 

 stomach 



H\dr)ey 

 SmaW'mtzstme - 

 Recta/ qloDd - - 



Larqe intestine 



Spleen 

 stomach 



Mesoneplinc duct 

 -- Cloaca 



Fig. 239. — Internal anatomy of bonnet-head shark. Reniceps tiburo, from ventral 

 view. (From dissections by Mary Fickllng.) 



projected at the terminal portion of this arm of cartilage. The pos- 

 terior part of the skull is somewhat narrowed and flattened but 

 otherwise similar to that of Squalus. 



