LIST OF ILLUSTRATIONS. 



FISH TRANSPORTATION. 



Page. 



Fig. 1. — Steamer for transporting live fish 96 



2. — Tank for fieh devised by Mayor Schuster 90 



3. — Aquarium for transporting fish 100 



4. — Sectional view of the same 101 



DEVELOPMENT OF THE OYSTER. 



Fig. 1.— Segmenting egg with cells 166 



2. — Same in older stage seen from above 166 



3.— Embryo seen from the side 166 



4. — Sime in optic section 166 



5. — More advanced embryo seen from the side 166 



6. — Same in optic section 166 



7. — Embryo one day older, anterior view 166 



8. — Same in optic section 166 



9. — Embryo one day older. .. 166 



10.— More advanced stage seen from the side 166 



11.— Larva still more advanced with velar disk 166 



12. — Larva still more advanced with cilia, &c 167 



EMBRYO OF SHAD. 



Fig. 1. — Head and fore part of yelk-sac, just hatched 180 



HATCHING APPARATUS. 



FIG. 1.— TheCbrk hatching troughs 358 



DEVELOPMENT OF THE OYSTER. 



Fig. 1. — Young oyster adherent to McDonald apparatus 387 



2.— Shells of fry of Oetrea edulis 387 



3. — Yonng oyster about to become spat 387 



4. — Spat shortly after transformation 387 



5. — Spat showing manner of attachment 387 



6.— Spat a little older 387 



7. — Lower valve of oyster spat viewed from above 387 



8. — Older spat detached viewed from below 387 



9. — Same viewed from the edge 387 



HOW TO STRIP SHAD. 



Fig. 1.— Workmen engaged in taking spawa 300 



VIII 



