LATEEAL CANAL SYSTEM OF SELACHIANS 



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82 



Fig. 79 Transverse section of the lateral canal of a Squalus acanthias (garter 

 stage) showing relations of fiber zone, sensory column, surface tubule, dermis 

 and epidermis. X 120. 



Fig. 80 Transverse section of the lateral canal just anterior to the caudal 

 fin. Squalus pup. X 136. 



Fig. 82 Transverse section of the lateral canal of a Squalus pup. X 592. 



