LIST OF ILLUSTRATIONS. 
OBSERVATIONS ON THE AQUARIA AT CENTRAL STATION. 
Page. 
Plate I.— Entrance to Marine Grotto 1 
II. — Interior View of Marine Grotto 2 
III Ground Plan of Marine Annex 12 
IV. — Auxiliary Aerating Apparatus, Marine Aquaria - 12 
Figures in Text: 
Eig. 1. — Eggs of the Tessellated Darter ( Boleosoma olmstedi) spawned in Aquaria 9 
2. — Eresh- water Mussel throwing off the Young 11 
EISHING VESSELS AND BOATS OE THE PACIEIC COAST. 
Plate V.— Steam whaling bark Mary and Helen, of New Bedford 13 
VI. — Eur-sealing Boat : (1) Body Plan. (2) Half-breadth Plan. (3) Sheer Plan 17 
VII. — Washington Dugout Canoe: (1) Sheer Plan. (2) Plan of Top. (3) Cross-section 19 
VIII. — Bidarkas: (1) Sheer Plan of Single-hole Bidarka; (la) Cross-section. (2) Sheer Plan of Two-hole 
Bidarka; (2a) Cross-section. (3) Sheer Plan of Three-hole Bidarka; (3a) Cross-section 27 
IX. — Types of Alaskan Kaiaks: (1) Kaiak from King’s Island; (la) Cross-section. (2) Kaiak from St. 
Michael’s; (2a) Cross-section. (3) Kaiak from Cape Espenberg ; (3a) Cross-section 29 
X. — Kaiaks and Oomiak : (1) Kaiak from Cape Krusenstern : (la) Cross-section. (2) Kaiak from Point Bar- 
row; (2a) Cross-section. (3) Alaskan oomiak or bidarrah; (3a) Cross-section of oomiak, showing 
construction 31 
XI. — Alaskan Salmon Fleet at Hyak Bay 35 
XII. — Columbia River Salmon Boat 39 
XIII. — San Francisco Fishing Felucca : (1) Sheer Plan. (2) Half-breadth Plan. (3) Half-deck Plan 41 
XIV. — San Francisco Fishing Felucca: (1) Body of Plan. (2) Midship Section below Deck, showing Con- 
struction. (3) Sail Plan 43 
XV. — (1) Oyster Sloop, Shoalwater Bay. (2) Fishing Junk 45 
XVI. — Chinese Shrimp Boat 47 
XVII. — Squid Skiffs, Monterey 48 
Figures in Text: 
Fig. 1. Sail Plan of Alaskan Schooner 17 
2. Alaskan Dugout Canoe 21 
3. Alaskan Dugout Canoe 23 
4. Salmon Dory 45 
NOTES ON FISHES FROM THE LOWER POTOMAC RIVER. 
Plate XVIII. — (1) Cyprinodon variegatus, male. (2) Cyprinodon variegatus , young. (3) Zygonectes lucice 72 
XIX. — (1) Fundulus majalis. (2) Fundulus diaphanus, male. (3) Fundulus diaphanus, female. (4) Fundulus 
heteroclitus 72 
XX. — (1) Gambusiapatruelis. (2) Menidia beryllina. (3) Paralichthys dentatus 72 
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