On the Wve. 



Order IV. 

 PHYSOSTOMI. 



Family 

 CLUPEIDJE. 



:LLIS ^HAD. 



\C I II pea alosa.) 



A/ausa, 

 Cliipca alosa, 



Alosa covimunis, 

 Alosa vulgaris. 

 All is, 

 All is Shad, 



AusoN., Id. X. 1. 127. 



Cuv., R. A. ii. p. 319: Jenyns' INIan. p. 43S ; Gunther's Cat. 



vii. p. 433. 

 Yarrell, ii. p. 213; Parnell, Jlem. Werner. Soc. vii. p. 330. 

 SiEBOLD, Siisserwasserf. p. 328. 

 Pennant's Brit. Zool. iii. p. 307. 

 Couch's Fish. Brit. Isl. iv. p. 117. 



Characters of the Genus Clupea. — "Body compressed, witli the abdominal serrature extending forwards into the 

 thoracic region. Scales of moderate or large, rarely of small size. Upper jaw not projecting beyond the lower. Cleft 

 of the mouth of moderate width ; teeth, if present, rudimentary and deciduous. Anal fin of moderate extent, with 

 less than thirty rays ;. dorsal fin opposite to the ventrals ; caudal forked. Inhabitants of the coasts of every part of 

 the globe ; many species entering fresh water." — Gunther. 



r I "^WO British species of Shad are known to occur in the waters of our coasts and in some 

 -L of our rivers, namely, the Allis Shad and the Twaite Shad, and so similar are they in 

 general form and appearance, that they have, both in ancient and modern times been fre- 

 quently confounded. There seems to be no doubt that under the name of dpitraa, rptx"*, and 



