1897.] NATURAL SCIENCES OF PHILADELPHIA. 63 



Dorosoma thrissa (Osbeck). 



Clupea thrissa Osbeck, Keise, p. 336, 1765 ( Gunther). 

 Clupea thrissa, Gunther, Cat. Fishes, VII, 432, 1867. 



Six specimens, 31 to 5 inches long. 



Head 3, depth 2f to 3, eye 4 \ to 4 ; B. 6 ; D. 15 ; A. 23 or 24 ; 

 P. 13 to 16 ; V. 8 ; scales about 40-19. 



Jaws even in front, maxillary almost to vertical from middle of 

 eye, no teeth ; eye equal to snout, lower margin of opercle concave. 

 Ventrals inserted under 5th or 6th ray of dorsal, under tip of pec- 

 toral, and midway between base of pectoral and origin of anal, ex- 

 tending halfway to anal. Origin of dorsal midway between snout 

 and caudal, dorsal filament reaching end of anal. Base of pectoral 

 wholly below or in front of posterior edge of gill opening. 11 or 12 

 scutes behind ventrals. Profile more convex anteriorly, deepest 

 just behind pectoral. 



ELOPIDJE. 



Megalops cyprinoides (Broussonet). 



Clupea cyprinoides Broussonet, Dec., Ich. I, tab. 9, 1782. 

 Megalops cyprinoides, Gunther, Cat., VII, 471, 1868 ; Day, Fishes of India, 

 650, pi. 159, fig. 3, 1888. 



Recorded by Sauvage. 



Sardinella nymphaea (Richardson). 



Clupea nymphma Richardson, Ichth. China, 304, ( Gunther) ; Gunther, Cat. 

 Fishes, VII, 428, 1867. 



Three specimens, 4i inches long. 



Head 4, depth 3i, eye 3 to 3t ; scales, lat. 1. 40, trans. 11 ; D. 16 

 or 17 ; A. 19 to 21 ; V. 9. 



Lower jaw well projecting; snout shorter than eye, 31 in head; 

 maxillary to vertical from anterior margin of pupil. Teeth very 

 minute on tongue and pterygoids, in two or three cross rows on pala- 

 tines, none in jaws or on vomer. Opercular bones with strise indis- 

 tinct or absent, a reentrant angle of about 50° at lower corner. 

 Pseudobranchiae large, the filaments free, about a dozen in number, 

 about as large as gill-rakers. Scales with margins striate and irregu- 

 larly crenulate, the middle portion more or less projecting; two or 

 three vertical lines near base. Thirteen scutes behind ventrals. 

 Middle of dorsal midway between snout and base of caudal, ventral 

 below middle of dorsal. Color, in alcohol, sides below a line from 

 upper margin of eye to upper edge of caudal, silvery, above this 

 dark steel-blue. 



