107(a). COTTLD^ HEMITEIPTERUS. 685 



361.— HEITIITRIPTEKUS Cuvicr. 

 Sea Ravens. 



(Cnvicr, Rfegne. Anim. ii, 1829, eel. 2: type Hemitripferns americanus C. & V.) 



Body moderately elongate, scaleless, but the skin covered with prickles 

 and bony iirotuberances of various sizes and forms. Head large, with 

 numerous bony humps and ridges and fleshy slips above; orbital rim 

 much elevated, the iuterorbital space deeply concave; a depressed 

 area at the occiput, behind which are two blunt spines on each side. 

 Mouth very wide ; jaws, vomer, and palatines with broad bands of 

 teeth; no slit behind last gill; gill- membranes broadly united, free 

 from the isthmus; preopercle with stout, blunt spines; suborbital stay 

 very strong, forming a sharp ridge. Spinous dorsal much longer than 

 the soft part, of 15 to 18 spines, of which the first two are the highest, 

 and the fourth and fifth shorter than the succeeding ones, the fin thus 

 deeply emarginate; pectoral fins very broad, much procurrent; ven- 

 trals I, 3. Large fishes of singular apjiearance, inhabiting the Korth 

 Atlantic and Pacific. (^//T, half; rp£i<;, three; -zepd'^, fin.) 



1040. H. aanci'icausis (Gmelin) Ciiv. & Val. — Sea Raven. 



lieddish brown, marbled with darker brown, and much variegated; 



yellowish below; fins variegated with light aud dark. Body villous, 



the prickles enlarged and tubercle-like along back and lateral line; 



nasal spines strong; supraocular ridge much elevated, with dermal 



flaps and two blunt spines; two i)airs of fleshy slips on nasal bones, 



and two on sui)raocular ridges; smaller cirri on maxillary, on i)reor- 



bital, and several on lower jaw; interocular space very deeply concave; 



two blunt occipital spines on each side, outside of which are two or 



three others; opercle small, with a bony ridge; preopercle with two 



blunt spines, below which are one or two others; lower jaw slightly 



projecting; maxillary reaching beyond eye, about half head; pectorals 



nearly reaching anal; highest dorsal spine If in length of bead, as 



long as caudal; ventrals reaching half way to anal. Head 2f ; depth 



33. D. IV, XII-I, 12; A. 13; Lat. 1. 40. Atlantic coast of America; 



chiefly northward from Cape Cod. 



(Scorpcena americana Ginel. Syst. Nat. 1788, 1220: Cofhis acc^ZtaH Walbaum, Artedi 

 Pise. 1792, 392; Cuv. & Val. iv, 268; Gunther, ii, 143: IlemUriptcrus acadianus Storer, 

 Hist. Fish. Mass. 35.) 



