[13] FLOUNDERS AND SOLES. 237 



ANALYSIS OF SPECIES OF PLATYSOMATICHTII YS. 



a. Head, 3* in length ; depth, nearly 3 ; D. 100, A. 75 ; Lat. 1. 160 ; interorbital 

 spaoe, broad, flat, scaly ; color brown, nearly plain Hippoglossoides, 2. 



2. PLATYSOMATICHTHYS HIPPOGLOSSOIDES. 



(The Greenland Halibut.) 



[Plate II.] 



Pleuronectes cynoglossus Fabricius, Fauna Gromlandica, 1780, 103 (Greenland, not of 

 Linnaeus). 



Pleuronectes hippoglossoides Walbauin, Artedi Piscium, 115,1792 (based on Fabricius). 



Eeinhardtius hippoglossoides Gill, Cat. Fish. E. Coast N. A., 1861, 50 (name only). Gill, 

 Proc.Ac. Nat.Sci. Phila., 1864, 218. 



Platysomatichthys hippoglossoides Goode & Bean, Bull. Esses Inst., ii, 7, 1879 (coast 

 of Massachusetts and northward in deep water). Collett, Norske Nord Havs 

 Exped., 1880, 142 (Fiumark, Hatnmerfest). Jordan & Gilbert, Syn. Fish. N. 

 A., 1882, 819. Goode, Nat. Hist. Aquat. Anim., 1884, 197, pi. 56 (George's 

 Bank and northward), and of late American writers generally. 



rieuronectes pinguis Fabricius, Zoologiske Bidrag., 1824, 43 (Greenland). 



Hippoglossus pinguis Reinhardt, " Kgl. Dausk. Vidensk. Selsk., 116, 1838." 



Platysomatichthys pinguis Bleeker, I.e., 426, 1862. 



Hippoglossus grmnlandicus Giinther, iv, 404,1862 (Greenland). 



Habitat. — Arctic parts of the Atlantic, south to Finland and the Grand 

 Banks. 



Genus III.— HIPPOGLOSSUS. 



Hippoglossus Cuvier, Regne Animal, ii, 1817 (Mppoglossua). 



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, 3f ; 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 

 brown ; vertebrae, 16 4- 34 = 50 Hippoglossus, 3. 



3. HIPPOGLOSSUS HIPPOGLOSSUS. 



(The Halibut. ) 

 [Plate III.] 



Pleuronectes hippoglossus Linmeus, Systema Naturae, 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 Auitnals, 1828, 197. Giinther, iv, 403, 1862. Day, 



Fishes Great Britain, ii, 5, pi. xciv, and of European writers generally. 



* Only an outline of the very extensive synonymy of this commou food-fish is here 

 given. 



