14. ETKXTMEirS. 467 



n. Adult, 6^ inclies long. Java. From Dr. Bleeker's Collection. — 



Type of B. Jiasseltii. 

 h. Adult, G inches long. Java. From Dr. Bleeker's Collection. 



— Type of D. ehjjsoides. 



c. Half-grown. Amboyna. Purchased of Mr, Frank. 



d. Adult. Amoy. Purchased of Mr. Stevens. 



e. Adult. From the Collection of the Zoological Society. 



14. ETRUMEUS. 



Etrumeus, Bleek. Vcrh, Bat. Gen. xxv. Japun^ p. 48. 



Body elongate, subcylindrical ; abdomen not compressed or ser- 

 rated. Scales of moderate size, very deciduous ; lateral line none. 

 Snout pointed ; jaws and mouth formed as in Clupea, but with the 

 supplementary bones of the maxillary very narrow. Jaws with 

 small but fixed, non-deciduous teeth ; patches of villiform teeth on 

 the vomer, the palatine and pterygoid bones, and on the tongue. 

 Dorsal fin entireJij in advance of the ventrah ; anal fin short. Gill- 

 membranes entirely separate, witli numerous fine branchiostegals ; 

 pseudobranchiae well developed. Pyloric appendages numerous. 



Japan ; North Atlantic. 



1. Etmmeus micropus. 



Clupea micropus, Schlcg. Faim. Japon. Poiss. p. 236, pi. 107. fig. 2. 

 Etrumeus micropus, Bleek. Vci-h. Bat. Gen. xxv. Japan, p. 48. 



B. 15. D. 19. A. 9. 



The height of the body is nearly one-sixth of the total length 

 (without caudal), the length of the head one-fourth. Snout pointed, 

 as long as the large ej-e, the diameter of which is two-sevenths of the 

 length of the head. Lower jaw scarcely projecting beyond the upper ; 

 the maxillary is narrow, and extends to the vertical from the front 

 margin of the eye. Origin of the dorsal fin much nearer to the end 

 of the snout than to the root of the caudal. Back dark-coloiired, 

 sides and belly silvery. 



Japan. 



a. Six inches lone:. From Dr. Bleeker's Collection. 



2. Etnuneus teres. 



Alosa teres, Delay, New York Faun. Fish. p. 262, pi. 40. fig. 128 ; 



Baircl, JViiifh licp. SinitJimn. Instit. 1855, p. 349. 

 Dussiimieria teres, Brevood, Narr. Exped. Japan, ii. p. 279 ; Gill, 



Proc. uicad. Nat. Sc. Philad. 1800, p. 21. 

 Hareugula teres, Girard, Proc. Acad. Nat. Sc. Philad. 1859, p. 158. 



Beside the generic characters scarcely anything is known of this 

 fish. It is stated to be without vomerine teeth ; if this be really 

 the case, this character in the generic diagnosis ought to be modified. 



Atlantic coasts of the United States. 



2h2 



