388 
LIST OF PLATES. 
Plate LIX.-——Figs. 1—5.—Plargyrus bowmani, 1 Grd.—p. 263. 
Figs. 6—10.—Moniana leonina, Grd. p. 273. 
Figs. 11—15.—Hyborhynchus confertus, Grd. p. 233. 
Figs. 16—20.—Moniana frigida, Grd.—p. 276. 
Plate LX.-Figs. 1—4.—Richardsonins balteatus, Grd.—p. 278. 
Figs. 5—8.—Richardsonius lateralis, Grd.—p. 279. 
Figs. 9—12.—Luxilus lucidus, Grd.—p. 282. 
Plate LXI.-Figs. 1 — 5. —Leucosomus incrassatns, Grd.— p. 252. 
Figs. 6—10.—Leucosomus pallidus, 2 Grd.—p. 251. 
Figs. 11—15. 3 —Semotilus speciosus, Grd.—p. 283. 
Plate LXII.-Tigoma crassa, Grd.—p. 293. 
Plate LXIII.-Figs. 1—5.—Cheonda cooperi, Grd.—p. 294. 
Figs. 6—9.—No reference is made to these figures in the 
letter press. 
Plate LXIY.-Figs. 1 — 4. —Siboma crassicauda, Grd.— p. 296. 
Figs. 5—9.—Ptychocheilus oregonensis, Grd. 4 —p. 298. 
Plate LXV.-Ptychocheilus rapax, Grd.—p. 300. 
Plate LXVI.-Coregonus williamsoni, Grd.—p. 326. 
Plate LXVI1.-Salmo quinnat, Richards.—p. 306. 
Plate LXYIII.-Fario aurora, Grd.—p. 308. 
Plate LXIX.-Figs. 1—4.—Fario tsuppitch, Grd.—p. 310. 
Figs. 5—8.—Fario stellatus, Grd.—p. 316. 
Plate LXX.-Fario argyreus, Grd.— p. 312. 
Plate LXXI.-Figs. 1 —4.—Fario gairdneri, Grd.—p. 313. 
Figs. 5—8.—Fario clarkii, Grd.—p. 314. 
Plate LXXII.-Salar lewisi, Grd.—p. 318. 
Plate LXXIII.-Figs. 1—4.—Salar virginalis, Grd.—p. 320. 
Fig. 5—? Salar iridea, Grd.—p. 321. 
Plate LXXIY.- $ Salar iridea, Grd.—p. 321. 
Plate LXXY.-Figs. 1 —4. 5 —Hyodon tergisus, Lesu.—p. 332. 
Figs. 5—7. 6 —Meletta coerulea, Grd.—p. 330. 
Plate LXXYI. *-Figs. 1 — 4. —Thaleichthys stevensi, Grd. 7 — p. 325. 
Fig. 5.—Osmerus pretiosus, Grd. 8 —p. 324. 
1 By error : Plargyrus bowmanni, Grd. 
3 By error : Leucosomus macrocepiialus, Grd. 
3 By error : figs. 12—15. 
4 By error : Ptychocheilus gracilis, Grd. 
5 By error: figs. 4—7. 
G By error: figs. 1—3. 
7 By error : Osmerus stevensi, Grd. 
8 By error : Argentina pretiosa, Grd. 
