Luminous Organs of Selachian Fishes. 



567 



without any interruption on the throat at all. There are 

 no fewer than twelve to every scale, and in some places 

 they accumulate behind each scale in angle-shaped groups. 





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ft 



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^ 



Dorsally they scarcely reach to the lateral line, which they 

 certainly do not cross. 



Centroscyllium granulosum was first described by Dr. Giin- 

 ther. On the type specimen I found the luminous organs 



