Plate 229. The Horny Head or River Chub. Ceratichthys biguttatus (Kirtland), Girard. The Orthodon Chub. Orthodon microlepidotus (Ayres), Girard.

Plate 230. The Leather Carp. Cyprinus carpio (var. coriaceus).

Plate 231. The Gold Fish. Carassius auratus (L.), Bleeker.

Plate 232. The Channel Catfish of the Potomac. Ictalurus albidus (Le S.), J. & G.

Plate 233. The Bull-Head. Amiurus melas (Raf.), Jordan and Copeland. The Bull-Head or Catfish. Amiurus catus (L.), Gill.

Plate 234. The Bull-Head. Amiurus vulgaris (Thompson), Nelson.

Plate 235. The Gaff Topsail Catfish. Aelurichthys marinus (Mitch.), B. & G.

Plate 236. The Salt-Water Catfish. Arius felis (L.), J. & G.

Plate 237. The Spotted Moray. Gymnothorax moringa (Cuv.), Goode & Bean.

Plate 238. The Spiny-Back Eel. Ptilichthys Goodei, Bean.

Plate 239. The Common Eel. Anguilla vulgaris, Turton.

Plate 240. The Conger Sea Eel. Leptocephalus conger (L.), J. & G.

Plate 241. The Bowfin or Mudfish. Amia calva, L. The Short-Nosed Gar Pike. Lepidosteus platystomus, Raf.

Plate 242. The Paddle-Fish. Polyodon spatula (Walb.), J. & G.

Plate 243. The Common Sturgeon. Acipenser sturio L. (=A. oxyrhynchus) The Short-Nosed Sturgeon. Acipenser brevirostris, Le S.

Plate 244. The Lake Sturgeon. Acipenser rubicundus, Le S. The Shovel-Nose Sturgeon. Scaphirhynchus platyrhynchus (Raf.), Gill.

Plate 245. The Southern Sting Ray. Trygon sabina, Le S.

Plate 246. The Barn-Door Skate. Raia laevis, Mitchill.

Plate 247. The Torpedo. Torpedo occidentalis, Storer.

Plate 248. The Sawfish. Pristis pectinatus, Latham.

Plate 249. The Basking Shark, or Bone Shark. Cetorhinus maximus (L.), Blainville. The Mackerel Shark. Lamna cornubica, (Gmel.) Fleming.

Plate 250. The Thrasher Shark. Alopias vulpes, (Gmel.) Bonap. The Horned Dogfish. Squalus acanthias, L. The Tope or Oil Shark. Galeorhinus galeus, (L.) Blainville.

Plate 251. The Sea Lamprey. Petromyzon marinus, L. The Alaska Brook Lamprey. Ammocoetes aureus, Bean.

Plate 252. The Slime Eel, or Hag. Myxine glutinosa, L.

Plate 253. The Common Squid. Loligo Pealei (Le S.). The Giant Squid. Architeuthis princeps, Verrill. The Short-Finned Squid. Omnastrephes illecebrosus (Le S.), Verrill.

Plate 254. Sea Snails, Periwinkles, Drills, and Borers.

Plate 255. Various clams, worms, and scallops.

Plate 256. The Quahaug or Little-necked Clam. The Gaper Clam.

Plate 257. The Geoduck or Giant Clam of the Pacific. Glycimeris generosa.

Plate 258. Mussels and Sea Clams.

Plate 259. Diagrams of internal and external organs of the oyster.

Plate 259. Explanation of the Diagrams of the oyster.

Plate 260. The Rock Crab. Cancer irroratus. The Jonah Crab, Cancer borealis.

Plate 261. The Common Crab of the Pacific Coast. (Male.) Cancer magister, Dana.

Plate 262. The Red Crab. (Male.) Cancer productus, Randall.

Plate 263. The California Rock Grab. Cancer antennarius, Stimpson.

Plate 264. The Stone Crab. Menippe mercenarius, Gibbes.

Plate 265. The Green Crab. Carcinus maenas, Leach.

Plate 266. The Lady Crab. Platyonichus ocellatus, Latreille.

Plate 267. The Common Edible or Blue Crab. Callinectes hastatus, Ordway.

Plate 268. The Kelp Crab. (Female). Epialtus productus.

Plate 269. A variety of crabs.

Plate 270. The Spiny Lobster, or Rock Lobster. Panulirus interruptus, Randall.

Plate 271. The American Lobster. (Male). Homarus americanus, Edwards.

Plate 272. The River Cray-Fish. Cambaris affinis, Erichson.

Plate 273. The Southern Shrimp. Penaeus setiferus, Edwards.

Plate 274. The Mantis Shrimp. Squilla empusa, Say.

Plate 275. A variety of shellfish .

Plate 276. Marine annelids.

Plate 277. Echinoderms, jellyfish, sea-cucumbers, etc.