CATALOGUE 



FISHES. 



Order I. ACANTHOPTERYGII. 



{CONTINUED.) 



Fam. 8. SQUAMIPINNES. 



Squamipinnes, part., Cuv. Regne Anim. ; 3Iiiller, Bed. Abhundl. 1844, 



p. 201 ; Owen, Led. on Comparat. Anat. Vert. i. p. 49. 

 ChfetodontidiB, part., Richards. Ichthyol. 



Body compressed and elevated, covered with scales, which are some- 

 times exceedingly finely ciliated, and sometimes smooth. Lateral line 

 continuous, not continued on the caudal fin. Mouth in front of the 

 snout, generally small, with lateral cleft. Eye lateral, of moderate 

 size. SLx or seven branchiostegals. Dentition formed by villiform 

 or setiform bands, without canines or incisors ; some of the genera 

 with teeth on the palate. Dorsal Jin formed by a sjihious and soft 

 portion of nearly equal developmeyit ; anal ivitJi three or four spines, 

 similarly developed as the soft dorsal, and both many-rayed. The 

 vertical fins more or less densely covered with snudl scales ; the spinous 

 portions sometimes not scaly. The lower rays of the pectorals 

 branched ; ventrals thoracic, with one spine and five soft rays. 

 Stomach caecal ; pyloric appendages in moderate number ; intestines 

 generally Mith many convolutions. Air-bladder present, more or 

 less simple. Pseudobranchiae well developed. 



Mostly eamivoroas fishes, inhabiting the seas between the Tropics, 

 especially of the Indian region ; a few entering rivers or spreading 

 beyond the Tropics. 



VOL, II. B 



