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Search results: 554 item(s) for: hatcheries     
Adirondack Hatchery. Trout-rearing races
1. Adirondack Hatchery. Trout-rearing races
Adult oysters spawning naturally on tray in large spawning tank
2. Adult oysters spawning naturally on tray in large spawning tank
Aerating device in Port Erin aquaria
3. Aerating device in Port Erin aquaria
Aerating the Water in Which Fish are Carried
4. Aerating the Water in Which Fish are Carried
Afognak Hatchery, with sawmill at edge of water
5. Afognak Hatchery, with sawmill at edge of water
Anthony's Turbot Rearing Tank, for the Experimental Hatching of the Turbot
6. Anthony's Turbot Rearing Tank, for the Experimental Hatching of the Turbot
Apparatus for Hatching Buoyant Fish Eggs
7. Apparatus for Hatching Buoyant Fish Eggs
Apparatus for Operating Shad-Hatching Cylinders
8. Apparatus for Operating Shad-Hatching Cylinders
Apparatus for Using the Same Water Over Again in Hatching Shad
9. Apparatus for Using the Same Water Over Again in Hatching Shad
Apparatus used in Packing and Shipping Eggs
10. Apparatus used in Packing and Shipping Eggs
Applicant Receiving Fish from Bureau of Fisheries Distribution Car Attached to Regular Passenger Train
11. Applicant Receiving Fish from Bureau of Fisheries Distribution Car Attached to Regular Passenger Train
Arrangement of Hatching Jars and Aquaria for Collecting Fry of Shad and Whitefish as Hatched
12. Arrangement of Hatching Jars and Aquaria for Collecting Fry of Shad and Whitefish as Hatched
Arrangement of Jars and Aquaria for Fry of Shad and White Fish
13. Arrangement of Jars and Aquaria for Fry of Shad and White Fish
[Artificial fecundation of free eggs]
14. [Artificial fecundation of free eggs]
[Artificial fecundation of free eggs]
15. [Artificial fecundation of free eggs]
Artificial Mode of Spawning
16. Artificial Mode of Spawning
Artificial propagated oyster spat collected on sea-scallop shells for observation. Lower row, spat 7
17. Artificial propagated oyster spat collected on sea-scallop shells for observation. Lower row, spat 7 weeks old; upper row, spat three weeks old. The three shells on the lift in the upper row were kept in the rearing tank while the others were placed in the harbor
Artificial spat collectors coated with paraffin and sand, which allows heavy sets to break up into single
18. Artificial spat collectors coated with paraffin and sand, which allows heavy sets to break up into single oysters after one or two months
Artificial spawning pond and raceway, used in culture of rainbow trout at the Wytheville (Virginia) station
19. Artificial spawning pond and raceway, used in culture of rainbow trout at the Wytheville (Virginia) station
Artificiall propagated oyster spat collected on sea-scallop shells for observation. Lower row, spat 7
20. Artificiall propagated oyster spat collected on sea-scallop shells for observation. Lower row, spat 7 weeks old; upper row, spat three weeks old. The three shells on the lift in the upper row were kept in the rearing tank while the others were placed in t
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