VIII BULLETIN OF THE UNITED STATES FISH COMMISSION. 
Plate XXI. 
Fig. 1. Keppler’s Cascade of Firehole River 60 
2. Rapids on Lewis Fork of Snake River 60 
Plate XXII.— Lower Falls of Firehole River 62 
LARVAL DIBOTHRIA FROM THE YELLOWSTONE NATIONAL PARK. 
Plate XXIII.— Figs. 1 to 5 77 
XXIV.— Figs. 1 to 6 77 
XXV. — Figs. 1 to 5 78 
XXVI.— Figs. I to 5 78 
XXVII.— Figs. 1 to 6 79 
PEARL FISHERY OF THE GULF OF CALIFORNIA. 
Plate XXVIII. — Camp of Pearl-diver 92 
XXIX. — Apparatus of the Modern Pearl-diver 92 
XXX. — LaPaz; showing Pearl Warehouses 93 
PLANTING OYSTERS IN SOUTHERN CALIFORNIA. 
Plate XXXI. — Map of Alamilos Bay, California 96 
XXXII. — Map of Newport Entrance, Los Angeles County, California 96 
XXXIII. — Map of part of Western Coast of Mexico, south of Guaymas 98 
XXXI V.— Dead oyster shells in the center of oyster bed 98 
WARTLIKE EXCRESCENCES OCCURRING ON THE SHORT MINNOW. 
Plate XXXV.— Figs. 1 to 16 102 
THE CRAB FISHERY OF CRISFIELD, MARYLAND. 
Plate XXXVI. — Blue or edible crab (Callinecles hastatus) 103 
Plate XXXVII. — Plans of Dugout Crab-canoe. 
Fig. 1. Deck plan 104 
2. Midship cross-section 104 
Plate XXXVIII.— Sail and sheer plan of bateau 106 
XXXIX. — Dredging for crabs; typical Chesapeake canoe 108 
XL. — Crab dredge 108 
XLI. — Crab float or pound 110 
EXPLORATIONS MADE IN MISSOURI AND ARKANSAS. 
Plate XLII. 
Fig. 1. Zygonectes macdonaldi 130 
2. Etheostoyna julise 130 
EXPLORATIONS MADE IN ALABAMA. 
Plate XLIH. 
Fig 1. Fundydits alholmeatus 156 
2. Etheostoma jordani 156 
IMPROVED FORM OF OYSTER TONGS. 
Plate XLIV.— Deep-water Oyster Tongs 164 
SALMON AND SALMON RIVERS OF ALASKA. 
Plate XL V.— Seining salmon at Karluk, looking southwest. Canneries of Karluk Packing Company (left) 
and Alaska Improvement Company 165 
Plate XLVI. 
Fig. 1. The King Salmon (Oiicorlii/nclms c/imticfta) 208 
2. The Dog Saimon {Oncorhynchus keta) 208 
3. The Silver Salmon {Oncorhyyichus kisutch) 208 
Plate XLVII. 
Fig. 4. The Humpback Salmon (Oncorhyjnchus gorbuscha). Sea-run 208 
5. The Humpback Salmon (Oncorhyjnchus gorbuscha). Breeding male 208 
Plate XLVHI. 
Fig. 6. The Red Salmon (Oncoi'liyiiclms nerfca). Sea-run 208 
7. The Red Salmon (Oiicorfii/ncfiMS nerfcn). Breeding male '. 208 
8. The Dolly Varden Trout (Salvelirius inabna) 208 
