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Silver gray foxes confined for alleged breeding purposes, but the limited space makes successful breeding
1. Silver gray foxes confined for alleged breeding purposes, but the limited space makes successful breeding impossible, and leads to the suspicion that wild foxes are being held fradulantly
Red Salmon (Oncorhynchus nerka) (Upper figure represents fish before entering river for breeding;
2. Red Salmon (Oncorhynchus nerka)
(Upper figure represents fish before entering river for breeding; lower figure represents breeding male)
Hauling and Breeding Grounds of the Fur-Seal Sketched from nature on the North Rookery, Saint George's
3. Hauling and Breeding Grounds of the Fur-Seal
Sketched from nature on the North Rookery, Saint George's Island, Pribylov Group
Douglasd fir pile driven January, 1920, pulled May, 1920, at California-Hawaiian Sugar Revinery, Crockett,
4. Douglasd fir pile driven January, 1920, pulled May, 1920, at California-Hawaiian Sugar Revinery, Crockett, California, showing 2-inch penetration by Teredo navalis in 3 1/2 months or less. Breeding season therefore apparently begins not later than late in March
Murres (Arra) on their breeding ground, Walrus Island
5. Murres (Arra) on their breeding ground, Walrus Island
Makeshift fox ranch of the type which should be discouraged or even prohibited entirely, as the pens
6. Makeshift fox ranch of the type which should be discouraged or even prohibited entirely, as the pens are too small for breeding purposes
Inside of fox ranch, snowing row of breeding pens on one side
7. Inside of fox ranch, snowing row of breeding pens on one side
Karluk Hatchery showing water supply and tramway for handling adult breeding salmon and fry
8. Karluk Hatchery showing water supply and tramway for handling adult breeding salmon and fry
Caddis Flies: 1. Dorsal view of larva of Molanna cinerea Hagen; 2. Lateral view of larva of M. Cinerea;
9. Caddis Flies: 1. Dorsal view of larva of Molanna cinerea Hagen; 2. Lateral view of larva of M. Cinerea; 3. Lateral view of the pupa of M. Cinerea; 4. Dorsal view of imago of M. cinerea; 5. Accustomed resting position of the imago of M. cinerea; 6. Ventral view of the flat larval case of M. cinerea; 7. Lateral view of larva of POlycentropus lucidus Hagen showing the very long anal prolegs and the absence of gill filaments; 8. Lateral view of pupa of P. lucidus; 9. Dorsal view of imago of P. lucidus; 10. Larval case of P. lucidus; tube composed of sand and silk; the enlargement near the end is two-layered, and contains the pupa; 11. Eggs laid by P. lucidus female on a stick protruding from the water in a breeding cage
Ciceronia Pusilla Adult Breeding Plumage Lleast Auk
10. Ciceronia Pusilla
Adult Breeding Plumage
Lleast Auk
Leucosticte Griseninucha (Brandt) Adult, Breeding Plumage
11. Leucosticte Griseninucha (Brandt)
Adult, Breeding Plumage
Simorhynchus Pygmaeus (Gmel.) Adult, Breeding Plumage
12. Simorhynchus Pygmaeus (Gmel.)
Adult, Breeding Plumage
Sea-Lion Rookery, at Tolstoi A view of the great Sea-lion breeding ground under the high bluffs of
13. Sea-Lion Rookery, at Tolstoi
A view of the great Sea-lion breeding ground under the high bluffs of St. George's Island, between Garden Cove and Tolstoi Mees. July, 1873
Survey Showing the Close Contact of Village, Slaughter-Field and Breeding Grounds
14. Survey Showing the Close Contact of Village, Slaughter-Field and Breeding Grounds
Survey Showing the Immense Breeding Area of Novastoshnah (The shaded belt is that ground wholly covered
15. Survey Showing the Immense Breeding Area of Novastoshnah
(The shaded belt is that ground wholly covered by Fur-Seal Rookeries)
Old Bulls Fighting Fur Seals in Deadly Combat; a Thousand such Conflicts are in simultaneous Action
16. Old Bulls Fighting
Fur Seals in Deadly Combat; a Thousand such Conflicts are in simultaneous Action during every Minute of the Breeding Season in the Pribylov Islands
Breeding Sockeye Salmon
17. Breeding Sockeye Salmon
Breeding Grounds of the Fur Seal. At North East Point, looking west from the Sea-lion Neck, St. Paul's
18. Breeding Grounds of the Fur Seal. At North East Point, looking west from the Sea-lion Neck, St. Paul's Island--August 20, 1872
Fur Seal 'Rookery.' Breeding grounds at Polavina Point, St. Paul's Island--July 18, 1872
19. Fur Seal 'Rookery.' Breeding grounds at Polavina Point, St. Paul's Island--July 18, 1872
Pond drawn down and nest boxes placed for spawning. Area of pond, 55,000 square feet; 50 nests in pond;
20. Pond drawn down and nest boxes placed for spawning. Area of pond, 55,000 square feet; 50 nests in pond; 150 breeding smallmouth bass. (Mammoth Hot Springs, Arkansas)
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