986 FISHES — COTTID^. 



157. Teiglopsis thompsonii. Girard. 



Triglopsis thompsonii, Gieard, Proo. Bost Soo. Nat Hist., 1851, 19 ; Mon. Cottoids, 1851, 



65— Jordan, Man. Vert., 187t;; Man Vert., 2d Ed., 1878, 256. 

 Ptyonotus thompsonii, Gunthkr, Cat. Fishes Brit. Mus., ii, 1860, 175. 

 Triglopsis stimpsoni, Gill, Mss. (no deseiiption published.) 



Pale olivaceous, with darker blotches ; upper fins faintly banded ; body elongate, very 

 slender ; head lon^, depressed above ; snout long and pointed ; eye quite large, nearly 

 as long as snout, much wider than interorbital space, 4 in head ; jaws subequal ; month 

 large, the maxillary extending rather beyond middle of eye; preopercle with 4 sharp 

 spines, the n, per much shorter than pupil; cavernous structure of skull highly devel- 

 oped ; upper surface of the head smooth ; gill-membranes not broadly united, nearly 

 free from isthmus ; dorsal fins well separated ; spinous dorsal short and low, its height 

 little more than length of snout ; second dorsal very large, 3 times height of first, its 

 longest rays about as long as head ; anal high, half as high as second dorsal ; pectoral 

 long, reaching past front of anal ; ventrals well developed ; ].iteral line chain-like, con- 

 spicuous; skin perfectly smooth ; head 3 ; depth 6 ; D. VII- 18; A 15; V. I., 3 ; Length 

 3 inches. 



Habitat, deep waters of the Great Lakes, Lake Michigan, Lake Ontario. This species 

 inhabits somewhere in the depths of Lake Ontario, bur, has not yet been seen or caught 

 alive either by fishermen or naturalists. The manner in which its discovery took place 

 is as follows: In opening the stomach of the Ling {Lota maculosa), the fishermen of 

 Oswego, finding it almost constantly filled with that fish, had entertained the errone- 

 ous opinicn that the Ling swallowed its progeny. Professor Baird, who visited that 

 plaee in 1850, and heard the story, secured specimens, which at once enabled him 

 to recognize in them a fish new to ecience, although half digested, the skin and the fins 

 in mijst cases destrovfd. In that state, when the heail and body alone have preserved 

 their shape, the elongation of the former and the tapering head of the latter may re- 

 mind superficial observeis of the elongated head and the tapering body of Lota maculosa. 

 Attention should be directed on all fishing grounds of the Ling to the contents of the 

 stomachs of these fish, as at present the only way kuowu of procuring Triglopsis. By 

 this means, at laast, we should become acquainted with its geographic distribution, for 

 mere remains, when they cannot be mistaken, are always sufScient to establish its 

 occurrence at any given place, should complete and fresh specimens escape all researches. 

 CGirard, Mon. Cottoids, 67.) 



The specimens from Lake Michigan, to which the name of Triglopsis stimpsoni has been 

 given, are not distinguishable from the original types of the species. 



Genus 85. UEANIDEA. DeKay. 



Coitus, sp., GiKAKD, 1851, and of early writers generally (not type). 

 Uranidea, DeKay, New York Fauna Fishes, lt;42, 61. 

 Coitopsis, GiRARl), Proc. Bost. Soc. Nat. Hist., iii, 1850, 303 (osper). 

 Potamocottus, Gill, Proc. Bost. Soc. Nat. Hist., viii, 1861, 40 (punotulatus). 

 Tauridea, Jordan and Bicb, Man. Vert. E. U. S., Ed. 2d, 187-8, 255 (spilota). 



Type, Uranidea quiescens, DeKa,y ^Cottus gracilis, Heckel. 



Etymology, owanos, sky ; eido, to gaze. 



Freshr water Scnlpins with body fusiform, little compressed ; head feebly armed, the 



