2022 Bulletin 47, United States National Museum. 



elevated and differentiated than in HemUripterus. Sides dark gray, 

 intermingled with whitish reticnlations. Type 2f inches long. North 

 Pacific and Bering Sea, in deep water. (Bean). Dr. Gilbert notes 

 also: "Several small specimens were secnred in Bering Sea. to the north 

 of Unalaska Island, depths 70 to 121 fathoms. They agree with the 

 types in having hut 14 dorsal spines, the first 4 of which are not notieeably 

 differentiated. The second dorsal contains 11 or 12 rays, and the anal tin 

 13. The last "2 rays of the anal fin are approximated at base, but do not 

 evidently constitute a divided ray." {marmoratus, marbled.) 



HemUripterus marmoratus, Bean, Proc. TJ. S. Nat. Mus. 1890, 43, off Sitkalidak Island, 

 at Albatross Station 2855 in 6g fathoms; Gilbeet, Eept. U. S. Fish Comiii. 1893 

 (1896), 410. 



f Cottvs villvsiis, Pallas, Zoo.i;r. Ross.-Asiat., in, 129, 1811, Cape of Kronok and mouth 

 of the Itscha ; after Stkllee; Cuviee & VALENCIENNES, Hist. Nat. Poiss., iv, 196, 1829. 



753. HEMITRIPTERUS, Cuvier. 



(Sea Eavens.) 

 HemUripterus, CuviEE, K6gne. Anini.,Ed. 2, vol. 2, 164, 1829 (americanus). 



Body moderately elongate, sealeless, Init the skin covered with prickles 

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

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

 elevated, the interorbital spaee deeply concave; a depressed area at the 

 occiput, behind which are 2 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 isthmus; preopercle with 

 stout, blunt spines; suborbital stay very strong, forming a sharp ridge. 

 Spinous dorsal much longer than the soft part, of 16 to 18 spines, of which 

 the first 2 are the highest, and the fourth and fifth shorter than the suc- 

 ceeding ones, the fin thus deeply emarginate ; pectoral fins very broad, 

 much proenrrent; ventrals I, 3. Large fishes of singular appearance, in- 

 habiting the North Atlantic and Pacific. Dr. Gill makes of them a dis- 

 tinct family on account of the great length of the spinous dorsal and the 

 peculiar development of the myodome. The genus is, however, related 

 to BUpsias and Nautichtliys, and the spinous dorsal is as loug in Jordania 

 as in HemUripterus, while the two genera stand as extremes in the Cottoid 

 group. {I'un — , half ; r/aeZj, three; Ttrepov fin.) 



a. Doraal spine about 16; the upper surface of head moderately uneven. 



AMERICANDS, 2391. 



aa. Dorsal spines 18; top of head excessively uneven. cavifeons, 2392. 



* Some unknown fish nliied t<i Vh-a inn niiorafa is < 'ntliis rillnxiis, Pallas. Size, form, and 

 dimensions oi Oncocotlus ijiKiihii-iinns. tlic s:iiii« intc-i inis. Imt with a disagreeable 

 smoke-like odor. Its skin is suit, Imi^f, >;u\i\ (.nlnr. il. . (i\ enW with villositics like a calf s 

 tongue. On the lateral line these juitkles air stri)ii.L;ei' and r; cil' a line to a line in diame- 

 ter. Eight siift eutaneous flaps each 3 lines long, and bifid or trifid, at equal intervals on 

 the lower jaw : belly wliite, hack varied and marked with brown. Cape of Kronok and 

 mouth of the river itscha. Known only from notes of Steller. (Pallas), (villosus, haivy.) 



