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ANNALS NEW YORK ACADEMY OF SCIENCER 



Figure 1. Embryo Narcine brasUiensis, dorsal and ventral views. Negative faces of electric 

 organs at e, e. (From Zoologica.) 



a 



over the main organs in the posterior half of the fish. The organs of 

 Hunter are separated from the main organs only by a thin layer of 

 muscle, and the tissue is identical in adjacent parts of the two pairs of 

 organs. It seems more reasonable to regard the organs of Hunter as 

 parts of the main organs than as a distinct pair (figure 2) . 



