Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 DEVELOPMENT. 107 reproductive cells which resemble ova in their method of origin, and at once develop into larvze. The pseudovary is clearly derived from the rudiment of the sexual gland, but without ever reaching complete development (fig. 100). The ovary acquires to a certain extent the signification of an organ for producing germ-cells, and it is not improbable that many products (Redia, Sporocyst) regarded as spores or germ-cells correspond to embryonic ovaries which produce ova capa

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Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 DEVELOPMENT. 107 reproductive cells which resemble ova in their method of origin, and at once develop into larvze. The pseudovary is clearly derived from the rudiment of the sexual gland, but without ever reaching complete development (fig. 100). The ovary acquires to a certain extent the signification of an organ for producing germ-cells, and it is not improbable that many products (Redia, Sporocyst) regarded as spores or germ-cells correspond to embryonic ovaries which produce ova capable of spontaneous development.

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