210 



SHAD. 



Abdominales Malacopterygii. Clupeidm. 



Me. Couch figures three kinds of Shad — Allice shad, 

 (Clupea alosa, Alosa vulgaris), Alewife, Damin herring 

 {Scadina), 



Twaite shad or Maid {Clupea alosa, c. finta, Alosa 

 finta). 



Scalefinned shad (Alosa squamopinnata). 



The Twaite sliad (German : Der Finte Lachstaparre ; 

 Danish: Stainsild ; Dutch: Fint) is a migratory 

 species, ascending large rivers in the month of May, or 

 earher, and returning to the sea about the end of 

 July. The shad are said to thrash the water with 

 their tails, and on a calm still evening, or night, the 



TWAITE SHAD {Clupea alosa, Alosa finta). 



noise they make may be heard at some distance. The 

 twaite is distinguished from the other native species by 

 its having distinct teeth in both jaws, and by a row of 

 dusky spots along each side of the body, while in the 

 allice shad there is only one, and that close on the side 

 by the upper part of the gill cover. 



The Allice shad (Clupea alosa, Alosa vulgaris ; Ger- 

 man : Der Maifisch, Alse, Else ; French : VAlose) is very 

 local, abounding in the Severn and "Wye, but much less 

 known elsewhere. The flesh of this species is said to 



