LIST ‘OF TRLUSTRATIONS 
SKELETON OF PERCH (after Giinther) 
Bones OF HEAD OF THE PERCH (after Giinther) . 
Bones OF PART OF HEAD OF THE PERCH (after Giinther) . 
PLATE 
I. THE STURGEON (Acip~enser sturio) a . A 
II. THE Percu (Perca fluviatilis) 
THE RUFFE, OR Pope (Acerina cernua) 
Ill.{ THe THReEE-SPINED STICKLEBACK (Gastrosteus aculeatus) 
THE BULLHEAD, OR MILLER’S THUMB (Coftus gobio) . 
IV. THE FLOUNDER (Pleuronectes flesus) 
THE Roacu (Leuciscus rutilus) 
ps GUDGEON (Gobio fluviatilis) 
' { THE Dace (Leuctscus vulgaris) 
; | THe MINNOW (Leuciscus phoxinus) 
VII. THE BrREAM (Adramis brama) 
seth ie Loacu (Nemachilus barbatulus) 
THE PIKE (Zsox /ucius). 
THE SALMON IN AUTUMN (Salmo salar) 
THE BuLL-Trout (Salmo eriox) 
Tue Common Trout: Northern Variety (Sa/mo fario) . 
THE SALMON-TROUT (Salmo trutia) 
Tue Common Trout: Southern Variety (Sa/mo fario). 
THE CHAR (Salmo [Salvelinus] alpinus) 
x1. Tue GRAYLING (ZAymallus vulgaris) 
xX 
THE SALMON IN SPRING (Salmo salar). 6 
{ THE Eex (Anguilla vulgaris) . 
Il. 
THE LAMPERN (Petromyzon fluviatilis) . 
viii 
” 
128 
140 
150 
163 
193 
256 
272 
288 
