LIST OF ILLUSTRATIONS. 



VEGETABLE PARASITES OF CODFISH.— FARLOW. 



Page. 



Pig. 1.— Toung fructiferous hyphae 2 



2. — Chain of mature spores, magnified 700 diameters 2 



DEVELOPMENT OF THE TOADFISH.— RYDER. 



Plate I. — Showing stages of early development 8 



Fig. 1. — Advanced embryo of toadtish, still adherent 8 



2. — Embryo, showing recently ruptured egg-membrane. 8 



3. — The same, viewed from above 8 



4. — Egg of toadflsh, with spreading blastoderm 8 



5. — Group of four developing eggs of toadflsh 8 



CLEAVAGE OF BLASTODISK OF SKATE.— RYDER. 



Fig. 1 . — Diagram of cleavage planes in blastodisk of Jiaia erinacea 10 



DRYING CODFISH AT BORDEAUX.— GUNDERSEN. 



Fig. 1 . — Codfish drying frame, top view : 84 



2. — Codfish drying frame, side view 85 



3. — Codfish dryiag frame, end view 85 



4. — Manner of securing fish for drying 86 



OYSTER CULTURE.— BOUCHON-BRANDELY. 



Plate II.— Apparatus for aerating and purifying water containing oyster embryos 240 



m. — Apparatus for incubating and hatching oysters and for the fixation of the embryos. 240 



IV. — Sectional views of the basins and hatching boxes 240 



V. —Experimental claire for obtaining oyster embryos in close water 240 



BELGIAN FISH-CULTURE. 



Figure. — Apparatus for transporting fry 262 



CARP PONDS.— GROSS. 



Figurks. — Views of ponds, water gate, and dike 303 



GRAY WHALE OF CALIFORNIA.— TOWNSEND. 



Plate VI. — ¥etn» of gi-ay wh&\n [Rhachianectes glaucus) 350 



VII. — Parts of fetus of gray whale 350 



Fig. 1.— Head, from above 350 



2. — Lower jaw, from below 350 



3.— Flukes, from below 350 



FISH-DESTROYING BUGS.— DIMMOCK. 



Figukk. — Belostoma grande 355 



KNIFE FOUND IN CODFISH.— COLLINS. 



Figure.— Knife found in flesh of codfish, full size 382 



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