[13] FLOUNDERS AND SOLES. 237 
ANALYSIS OF SPECIES OF PLATYSOMATICHTHYS. 
a. Head, 34 in length; depth, nearly 3; D. 100, A. 75; Lat. 1. 160; interorbital 
space, broad, flat, scaly ; color brown, nearly plain ..-.-.. HIPPOGLOSSOIDES, 2. 
2. PLATYSOMATICHTHYS HIPPOGLOSSOIDES, 
(THE GREENLAND HALIBUT.) 
[Plate IT.] 
Pleuronectes cynoglossus “abricius, Fauna Greenlandica, 1780, 163 (Greenland, not of 
Linneus). 
Pleuronectes hippoglossoides Walbaum, Artedi Piscium, 115, 1792 (based on Fabricius). 
Reinhardtius hippoglossoides Gill, Cat. Fish. E, Coast N. A., 1861,50 (nameonly). Gill, 
Proc. Ac. Nat. Sci. Phila., 1864, 218. 
Platysomatichthys hippoglossoides Goode & Bean, Bull. Essex Inst., ii, 7, 1879 (coast 
of Massachusetts and northward in deep water). Collett, Norske Nord Havs 
Exped., 1880, 142 (Finmark, Hammerfest). Jordan & Gilbert, Syn. Fish. N. 
A., 1882, 819. Goode, Nat. Hist. Aquat. Anim., 1884, 197, pl.56 (George’s 
Bank and northward), and of late American writers generally. 
Pleuronectes pinguis Fabricius, Zoologiske Bidrag., 1824, 43 (Greenland). 
Hippoglossus pinguis Reinhardt, ‘‘ Kgl. Dansk. Vidensk. Selsk., 116, 1838.” 
Platysomatichthys pinguis Bleeker, l.c., 426, 1862. 
Hippoglossus grenlandicus Giinther, iv, 404, 1862 (Greenland). 
Habitat.—Arctic parts of the Atlantic, south to Finland and the Grand 
Banks. 
Genus III.—HIPPOGLOSSUS. 
Hippoglossus Cuvier, Régne Animal, ii, 1817 (hippoglossus). 
TYPE: Pleuronectes hippoglossus L. 
This genus contains but one species, the well-known halibut, abun- 
dant on both coasts of the North Atlantic and of the North Pacific. : 
ANALYSIS OF SPECIES OF HIPPOGLOSSUS. 
a. Head, 3%; depth, about 3; D. 105, A. 78; Lat.1.150 or more; interorbital space, 
broad, flat, scaly; gill-rakers, few, short, compressed, wide-set; color, dark 
MEOW VCRUC OL On se cmt OU a a's oe cis Satoiee) bavaletetels atciaicic is xtsieets HIPPOGLOSSUS, 3. 
3. HIPPOGLOSSUS HIPPOGLOSSUS. 
(THE HALIBUT.) 
[Plate IIT. ] 
Pleuronectes hippoglossus Linneus, Systema Nature, ed. x, 269, 1758 (European Ocean) 
(of Gmelin, Bloch, and early writers generally). 
Hippoglossus hippoglossus Jordan, Cat. Fish. N. A., 1885, 133. 
Hippoglossus vulgaris Fleming, British Animal, 1828, 197. Giinther, iv, 403, 1862. Day, 
Fishes Great Britain, ii, 5, pl. xciv, and of European writers generally. 

* Only an outline of the very extensive synonymy of this common food-fish is here 
given. 
