TI: Reproduction among Mammals DN: OUT OF PRINT DC: UNKNWN PN: Encyclopedia Britannica Films PC: EBF PY: 1937 GL: J H MT: 1 film reel (11 min.), optical sound, 16 mm. SF: B & W LN: 11 MIN AB: Animated drawings and microphotography tell the story of Mammalian reproduction using the domestic pig as an example. A comparison is drawn between human and pig embryos.