308 THE COMPLETE ANGLER. 



Smooth yellowish-olive Bull- Head, variegated with black ; beneatk 

 whitish. The Head furnished with a spine on each side. 

 Genus PERCA, PERCH. 



Teeth sharp, incurvate. Gill-covers triphyllous (three-leaved), scaly, 

 serrated. Dorsal fin spiny on the forepart. Scales (in most species) 

 hard and rough. 

 P. FluviatiliS) Common Perch. Chap. xii. page 173. 



Olivaceous Perch, with transverse semi-decurrent blackish bands. 

 Dorsal fin subviolaceous, the rest red. 

 P. Cermta, Ruffe-Perch. Chap. xv. page 191. 



Sub-olivaceous Perch speckled with black, with 15 spines in the 

 Dorsal fin. 



N. B. The large Eyes (Oculi magni), which are noticed in 

 Linnseus's description, are well expressed in the Plate. 

 Genus GASTEROSTEUS, STICKLEBACK. 



Body somewhat lengthened. Dorsal spines distinct. Ventral fins 

 spiny. Abdomen carinated on the sides, and bony beneath. 

 G. Aculeattts, Common Stickleback. Chap. XVIII. pp. 210, 212. 

 Olivaceous Stickleback, silvery-red beneath, with 3 Dorsal spines. 



ORDER IV. 

 ABDOMINAL. 



Ventral fins behind, or beyond the Pectoral. 

 Genus COBITIS, LOCHE. 



Mouth (in most species) bearded. Eyes situated in the upper part of 

 the head. Body nearly of equal thickness, from head to tail. Scales 

 small, easily deciduous. Air-bladder hard, or osseous. 

 C. Barbatula, Common Loche. Chap. XVIII. pp. 210, 211. 

 Yellow-gray Loche, with dusky variegations, small compressed head 

 and 6 beards. 

 Genus SALMO, SALMON. 



Head compressed, smooth. Tongue cartilaginous. Teeth, both in 

 the jaws, and on the tongue. Gill-membrane from 4 to 10 rayed. 

 Body compressed, furnished at the hind part with an Adipose fin. 

 S. Salar, Common Salmon. Chap. VII. page 140. 



Silvery-gray spotted Salmon, with the jaws (in the male) incurvated. 

 S. Fario, Common Trout. Chap. v. page 99. 



Yellowish-gray Salmon with red spots, and lower jaw rather longer 

 than the upper. 



S. Salmulus, Samlet. Chap. IV. page 88. 

 Bluish-gray Salmon, with distant reddish spots and forked tail, 



