142 VERTEBRATE ANIMALS OF THE UNITED STATES 



U. gracilis (Heckel). Head 3.5; depth 5; color olivaceous, mottled; 

 upper edge of spinous dorsal fin red in life; rays of dorsal fins VIII, 16; 

 anal 12: New England and New York; common. 



3. Triglopsis Girard. Body and head slender; skin naked; lateral 

 line chain-like; teeth on vomer, but not on palatines; a small distinct 

 slit behind the last gill; preopercular spines 4: i species. 



T. thompso?ii Girard. Length 75 mm.; head 3; depth 6; color oliva- 

 ceous, with dark blotches; eyes very large; rays of dorsal fins VII, 18; 

 anal 15; dorsal fins separate; the soft dorsal and the anal fins very large: 

 deep waters of the Great Lakes; not common. 



Suborder 8. Gobioidei. — Ventral fins thoracic, I, 4 or I, 5; pseudo- 

 branchiae present; dorsal fins separate or united; dorsal spines few and 

 weak; soft-dorsal and anal long; caudal fin rounded: 2 families of marine 

 fishes, with a few fresh water representatives. 



Family Gobiidae. — Gobies. Body mostly elongate, naked or cov- 

 ered with ctenoid scales; ventral fins close together, usually united; no 

 lateral line; no pyloric caeca: 600 species, a very few in fresh water; 

 shore fishes in tropical regions. 



Dormitator Gill. Body short, robust; head broad, blunt and flat; 

 mouth small, oblique; scales large; fins large: i species. 



D. maculatus (Bloch). Length 600 mm.; head 3.2; depth 3; color 

 dark gray or brown with lighter spots; dorsal fins separate and with 

 parallel black bands; rays of dorsal fins VII-I, 8 or 9; anal I, 9 or 10; 

 scales ^^ : both coasts of America from North Carolina and Cape St. 

 Lucas to Brazil, in fresh and brackish water. 



Suborder 9. Anacanthini. — Dorsal and anal fins very long and 

 without spines; ventral fins jugular, without spines; no pseudobranchiae : 

 3 families, all marine, with i species in fresh water. 



Family Gadidae. — The codfishes. Body elongate; scales cycloid; 

 mouth large, terminal; pyloric caeca numerous: 140 species, in northern 

 seas; i species in fresh water. 



Lota Cuvier. Body long and low, depressed in front, compressed 

 behind; anterior nostrils each with a short barbel; chin with a long 

 barbel; 2 dorsal fins, the first short, the second very long; caudal fin 

 rounded: i species. 



L. maculosa (LeSueur). Burbot; lawyer; ling. Length 600 mm.; 

 head 4.5; depth 5.5; color dark olive marbled with blackish; rays of 

 dorsal fins 13-76; anal 68: lakes and sluggish streams, from New 

 England to the upper Missouri; northward to the Arctic and Berings 

 Strait; southward to the Ohio; common towards the north. 



