266 On the Anatomy and Vlnjiology nf ihc SiharTi. 



to a o;reater qirantity than before cxclufion from its maternal 

 membrane, the oxvgen of the ah" to which it was expofcd ; 

 the union of which with tlie blood evidently brightened its 

 colour, and imparted to it at the fame timeJ"o much of a fti- 

 mulant quality as to have fhortened the duration of its life by 

 exceffive excitement. 



The internal ftrufture of the foetus of this (liark may be 

 feeu in the plate. The difll-ction was made by mv colleague 

 Mr. Poft, profeflor of anatomy in Columbia College ; and 

 the drawing was executed, immediately after^ bv Dr. Alex- 

 ander Andcrfon, of New York, in the prefence of the late 

 Dr. Elihu H. Smith, Mr. William Dunlap, and Mr. Thome. 



A reprefents the ovum, with 

 its exterior membrane differed 

 off. 



B, the internal tube or du£l 

 extending from the egg to a fac, 

 or refervoir of nutriment, within 

 the body of the fifli. 



C, the fac alluded to in B, of 

 confiderable fize, and occupying 

 a good deal of room in the ab- 

 domen : it was filled with a 

 pulpy or foft matter, evidently- 

 derived from the ovum, and ap- 

 parently a little more elaborated, 

 and prepared for nutrition, by 

 feme concoftive operation in 

 the fac itfelf. 



D, the ftomach, as yet not 

 diRended; of courfe exceedingly 

 fmall : having never as yet been 



^ filled 



