Time of migration
The spring migration of the alewife is shown from the sea, where it matured, to its freshwater spawning grounds. When the eggs hatch, the small fish eat plankton, and when they are about one inch (2.5 centimetres) long they swim to the sea where they will mature and return to spawn in three or four...
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| Corporate Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
New York :
Macmillan Films, Inc.,
(19?_).
|
| Subjects: | |
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|---|---|---|---|
| 001 | vtls000043909 | ||
| 003 | UPM | ||
| 005 | 20161021011046.0 | ||
| 008 | 100129q19001981nyu fn 0mleng d | ||
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| 040 | |c UPM | ||
| 090 | 0 | 0 | |a QL639.5 T582 (082000776) |
| 245 | 0 | 0 | |a Time of migration |h [motion picture] / |c Macmillan Films, Inc., producer and distributor. |
| 260 | |a New York : |b Macmillan Films, Inc., |c (19?_). | ||
| 300 | |a 1 reel (13 min.) : |b sd., col. ; |c 16 mm. | ||
| 520 | |a The spring migration of the alewife is shown from the sea, where it matured, to its freshwater spawning grounds. When the eggs hatch, the small fish eat plankton, and when they are about one inch (2.5 centimetres) long they swim to the sea where they will mature and return to spawn in three or four years. | ||
| 650 | 0 | |a Alewife. | |
| 650 | 0 | |a Fishes |x Migration. | |
| 710 | 2 | |a Macmillan Films. | |
| 942 | |2 lcc |c 10004 | ||
| 950 | 0 | 0 | |a 082000776 |
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