242 



Dr. Storer communicated, from Mr. Hentz, the conclu- 

 sion of his paper on Araneides, for the Journal. 



Mr. Henry B. Humphrey was elected a member of the 

 Society ; Mr. Edward Desor, and Count Francis de Pourtales 

 of Neufchatel, were elected Corresponding members. 



July 21, 1847. 

 Dr. Storer, Vice President, in the Chair. 



Dr. Storer stated, that he had made a visit of a few days 

 at Provincetown. where he had found, as he believed, two 

 new species of Alosa and one of Platessa. 



Alosa cyanonoton. Above bhiish, cupreous upon the sides 

 and opercula, silvery beneath ; a large black spot upon the 

 shoulder. Where the scales were removed, no other spots are 

 observed, as in the A. sapidissima, but the entire upper portion 

 of the body is of a deep greenish blue color. The length of the 

 head is less than one-fifth the length of the body. Caudal 

 pouches. Length ten inches. Called Blue-hack by the fisher- 

 men at Provincetown. D. 17, P. 18, V. 10, A. 17, C. 20. 



Alosa lineata. Sides silvery, with six or eight indistinct 

 longitudinal bluish lines; the pectoral and caudal fins are of a 

 dark brown color, the anal and ventrals nearly white. The head 

 equal in length to about one-fifth the entire length ; the lower 

 jaw the largest ; the chin is prominent. Caudal pouches. 

 Length about fifteen inches. Called by the fishermen Hickory 

 Shad. D. 17, P. 16, V. 8, A. 20, C. 20. 



Platessa quadrocellata. Body elongated : the length of the 

 head is not quite equal to one-fourth the length of the entire fish. 

 Of a gray color, thickly spotted with brown, including all the fins. 

 About the middle of the body, just beneath the dorsal fin, and 

 directly opposite this, above the anal fin, are situated two large, 

 nearly black ocelli, surrounded by a pinkish halo ; at the base of 



