314 PISCES. 



secretion : branchiostegous membrane with six rays ; not 

 continued across the breast: teeth conical, in one row at 

 the sides of the jaws, in many in front : fins invested with 

 a thick skin ; the dorsal, anal, and caudal, united ; all 

 the rays of the dorsal soft and articulated. 



29. ANARRHICHAS. Ventrals wanting: body 

 elongated, smooth : one dorsal, composed entirely of simple 

 rays, not connected with the caudal : branchiostegous mem- 

 brane with six rays : palatines, vomer, and mandibles, 

 armed with large osseous tubercles; the anterior teeth 

 long, and conical. 



30. GOBIUS. Ventrals thoracic ; more or less united 

 at the edges, forming a funnel-shaped cavity : body elongated, 

 scaly : head moderate : gill-opening small ; branchiostegous 

 membrane with five rays : two distinct dorsals ; the first 

 with the spines extremely flexible. 



31. CALLIONYMUS Ventrals jugular, widely sepa- 

 rate, broader than the pectorals : body naked : head broad 

 and depressed : gill-opening reduced to a small hole on each 

 side of the nape: preopercle terminating behind in several 

 small spines: two dorsals. 



X. LOPHIAD^E. Bones of the carpus elongated, 

 forming a kind of arm supporting the pectorals: 



skeleton semicartilaginous. 



32. LOPHIUS Ventrals before the pectorals : opercle 



and branchiostegous rays enveloped in the skin; the branch- 

 iostegous membrane forming a large purse-like cavity in the 

 axilla : two distinct dorsals ; in front of which are sonje free 

 rays, produced into long slender filaments: skin naked: head 

 broad and depressed; extremely large with respect to the 

 rest of the body. 



XI. LABRID^E. Body oblong, scaly : only one 

 dorsal; the spines invested with membranous 



