308 PISCES 



II. LORI CAT I. Infra-orbitals extending more 

 or less over the cheeks, articulating behind with 

 the preopercle : head mailed, or otherwise armed. 



4. TRIGLA Head mailed ; in the form of a parallele- 

 piped: opercle, and bones of the shoulder, armed with 

 spines : body scaly : two dorsals : three detached rays 

 beneath the pectorals : branchiostegous membrane with 

 seven rays : fine velvet-like teeth* in both jaws and on 

 the front of the vomer. 



5. COTTUS Head broad, depressed; more or less 



armed with spines: body naked, without scales: two 

 dorsals, distinct, or very slightly connected: lower rays 

 of the pectorals simple: branchiostegous membrane with 

 six rays : teeth in both jaws, and also on the front of 

 the vomer ; none on the palatines : ventrals small. 



6. ASPIDOPHORUS Head broad, depressed; armed 



with spines and tubercles : body attenuated behind, mailed 

 with angular plates : two dorsals, nearly contiguous : 

 branchiostegous membrane with six rays ; furnished, as 

 well as the chin, with small thread-like filaments : teeth in 

 both jaws ; none on the vomer or palatines : ventrals 

 small j\ 



7- SCORPJENA. Head compressed, armed more or 

 less with spines and tubercles : body oblong, scaly : a 

 single dorsal : lower rays of the pectorals simple : branch- 

 iostegous membrane with seven rays : velvet-like teeth in 

 both jaws, and on the palatines. 



(1. SEBASTES.) Head scaly; spines on the preopercle and opercle; 

 . no tubercles. 



8. GASTEROSTEUS Head without spines or 



tubercles : body generally more or less protected by 



* The terms employed to designate the different forms of teeth in fishes have been, in most 

 instances, adopted from Cuvier. See Hist. Nat. des Poiss. torn. i. p. 362. See also Yarrell's 

 British Fishes, vol. i. p. 99. 



f Since the publication of my Catalogue, I have inclined to the opinion that this group should 

 rank higher than as a mere subdivision of the genus Cottus. 



