PHARYNGEAL TEETH OF FISHES. 271 



patch stands away from the mucous lining of the mouth. The 

 lower pharyngeal teeth are on an arrowhead-shaped patch, the 

 right and left halves touching closely along the middle line where 

 there is a double row of strong conical teeth, the rest of the 

 surface being covered with minute teeth that have black points. 



Fig. III. — Cyclopterus lumpus. 



Cycloptertd^;. 



Cyclopterus lumpus (the " Lumpsucker," also called " Cock 



and Hen Paddle ") has eight tubercular, conical-shaped, soft 



gill-rakers on the first cerato-hypobranchial arch that are 



irregularly spaced. The biggest one, at the angle, is in height 



