SHORT SUN-FISH. 



467 



roughened, and somewhat wrinkled. The colour of the upper 

 part of the body dusky bluish grey ; the lower part olive 

 brown. The fin-rays in number are 



D. 15 : P. 11 : A. 15 : C. 13. 



I am indebted to Mr. Couch for the under jaw-bone of a 

 Sun-fish of considerable size. The outer margin of this 

 bone, for three inches round the front, in which there is no 

 division, is covered to its edge by a narrow band of enamel : 

 the inside, near the centre, contains various dull pearl-like 

 teeth ; some thin and flat, presenting an edge : behind them 

 others, more cylindrical, short, and rather pointed. 



The Sun-fish is often infested with one or more species of 

 parasites adhering to various parts of the body. Dr. Storer 

 found one species attached to the branchiae ; the Ilfracombe 

 fish had several attached to the soft parts about the anal 



2 H 2 



