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Carcharias griseus. Color bluish gray above, white beneath. 

 Branchial orifices five on each side. Teeth numerous, and simi- 

 lar in each jaw, not arranged in regular series ; long and pointed, 

 spreading at base ; edges smooth. Nostrils oval, immediately an- 

 terior to the mouth. No spiracles discernible. Pectorals hori- 

 zontal ; first dorsal nearly straight on the anterior edge, concave 

 behind, free posteriorly. The inferior portion of the tail presents 

 two lobes. Length, 41 inches. 



Myliobatis acuta. Length, 3 feet ; breadth across posteriorly 2 

 feet 5 inches. Body above smooth, destitute of spines ; color red- 

 dish brown, beneath whitish. Branchial apertures five on each side. 

 On the tail are two reversely serrated spines, one directly above 

 the other, the upper one 2.75, the lower 3.75 inches in length, 

 inserted 5.5 inches from the origin of the tail, which is very slen- 

 der and smooth to the tip ; no fins beneath. 



Gasterosteus millepunctatus. Length, 1.8 inch ; depth, .4 inch. 

 Body very thin on the back, widening downwards ; compressed 

 behind the anal fin. Color greenish olive on the sides, clouded 

 with brown dots in clusters. Sides destitute of the plates which 

 characterize most species of the genus. Ventral fin represented 

 by a single serrated spine. At the anterior origin of the anal fin 

 is a spine, not quite so high as the ventral spine. 



Fundulus fuscus. Length, 2.1 inch ; depth, .9 inch. Body 

 rather rounded. Color very dark brown, striped longitudinally 

 with narrow, lighter lines ; a black, vertical band in front of the cau- 

 dal fin. Mouth small ; teeth numerous, fine and crowded ; those 

 of the upper jaw on the intermaxillaries, a few on the pharyngeals, 

 none on the vomer. Scales large but not prominent. 



Dr. J. B. S. Jackson gave a verbal account of his dissec- 

 tion of a foetal Porpoise about three feet long. Several in- 

 teresting particulars were pointed out relating to the vis- 

 cera, which will be embodied in a paper for publication in 

 the Journal. 



Dr. Abbot reported the following additions to the Cabi- 

 net of Birds : 



Fulica Americana, Gmel. Cinereous Coot, female. 

 Anas acuta, Lin. Pintail Duck, male. 

 Icterus pecoris, Temm. Cow blackbird, male and female. 



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