| The fish embryo: from fertilization to hatching. |
1963 |
Encyclopedia Britanica Films |
4:30 |
16mm |
|
sound |
| The Fish Embryo from Fertilization to Hatching |
1963 |
National Film Board of Canada |
12 |
16mm |
Color |
|
| Amphibian Embryo |
1963 |
Encyclopaedia Britannica Educ Corp |
16 |
16mm |
Color |
|