These images are scanned from the following book:
Fishes of the Gulf of Maine
By Henry B. Bigelow and William C. Schroeder
First Revision
(Fishery Bulletin of the Fish and Wildlife Service, Volume 53)

The following are 
Image #     name 				  species of the specimen	page # in the book
1		Leopard  Skate (female)		Raja garmani		67
2a		Tarpon				Tarpon atlanticus		87
2b		Round herring			Etrumeus sadina		87
3		Herring				Clupea harengus		88
4 		Hickory shad			Pomolobus mediocris	100
5		Blueback				Pomolobus aestivalis    106
6		Thread herring			Opisthonema oglinum	113
7		Brook trout				Salvelinus fontinalis	120
8		Salmon				Salmo salar			122
9		Capelin				Mallotus villosus       134
10  		Smelt					Osmerus mordax		136
11		Headlight fish			Diaphus effulgens		142
12		Slime eel				Simenchelys parasiticus	157
13		Common mummichog			Fundulus heteroclitus	162
14a		Striped mummichog (male)	Fundulus majalis		164
14b		Striped mummichog (female)	Fundulus majalis		164
15		Sheepshead minnow			Cyprinodon variegatus	166
16a		Silver hake (adult)  		Merluccius bilinearis	174
16b		Silver hake (egg)  		Merluccius bilinearis	174
16c		Silver hake (larva)  		Merluccius bilinearis	174
16d		Silver hake (larva)  		Merluccius bilinearis	174
16e		Silver hake (young fry) 	Merluccius bilinearis	174
17		Cod					Gadus callarias		182
18		Tomcod				Microgadus tomcod		196
19		American pollock			Pollachius virens		214
20		White hake				Urophycis tenuis		222
21		Hakeling				Physiculus fulvus		234
22		Long-nosed grenadier		Coelorhynchus carminatus 246
23		Halibut				Hippoglossus hippoglossus 249
24		Canadian plaice, or Dab		Hippoglossoides plattessoides 259
25		Yellowtail				Limanda ferruginea	272
26		Smooth flounder			Liopsetta putnami		283
27		Mullet				Mugil cephalus		305
28		Four-spined stickleback		Apeltes quadracus		311
29		Sea-horse				Hippocampus hudsonius	315
30 		Common bonito			Sarda sarda			337
31 		Dolphin				Coryphaena hippurus	361
32		Moonfish				Vomer setapinnis		379
33		Striped bass			Roccus saxatilis		389
34		Wreckfish				Polyprion americanus	409
35		Short big-eye			Pseudopriacanthus altus	411
36		Spot					Leiostomus xanthurus	423
37		Kingfish				Menticirrhus saxatilis	424
38		Boarfish				Antigonia capros		439
39		Spiny lumpfish			Eumicrotremus spinosus  463
40a		Tautog (adult)			Tautoga onitis		479
40b		Tautog (egg)			Tautoga onitis		479
40c		Tautog (larva)			Tautoga onitis		479
40d		Tautog (larva)			Tautoga onitis		479
40e		Tautog (young fry)		Tautoga onitis		479
41		Wolffish				Anarhichas lupus		503
42		Filefish				Monacanthus ciliatus	523
43		Puffer				Sphaeroides maculatus	526
44		Sunfish				Mola mola			529
45		Squirrel hake			Urophycis chuss		223
46		Filefish				Monacanthus hispidus	522
47		Orange filefish			Alutera schoepfii		524
48		Unicorn fish			Alutera scripta		525