The Cambridge natural history . Fig. 49.—Generative and other organsof LUtorina obhcsata L., female. A, anus. Br, brancliia. Buc, buccal mass. H, lieart. Hep, liejiatic duct. I, continuation of oesopliagusKi, , liver. M, muscle , female , , , , , , uterus. of Fig. .50.—Generative and other organsof LUtorina ohtusata L., male. A, anus. M, muscle of attacli- Br, brancliia. meut. H, heart. Pe, penis. I, intestine. Te, testis. Li, liver. VD, vas deferens. (After Soiileyet.) (After Souleyet.) many convolutions conveys


The Cambridge natural history . Fig. 49.—Generative and other organsof LUtorina obhcsata L., female. A, anus. Br, brancliia. Buc, buccal mass. H, lieart. Hep, liejiatic duct. I, continuation of oesopliagusKi, , liver. M, muscle , female , , , , , , uterus. of Fig. .50.—Generative and other organsof LUtorina ohtusata L., male. A, anus. M, muscle of attacli- Br, brancliia. meut. H, heart. Pe, penis. I, intestine. Te, testis. Li, liver. VD, vas deferens. (After Soiileyet.) (After Souleyet.) many convolutions conveys tlie ova into the uterus, an ol)longchaud)er which consists simply of a dilatation of the oviduct. Theova descend into the uterus, which is sometimes furnislied with aseminal poucli. In this seminal poucli, or above it, in the oviduct,the ova come into contact witli the spermatozoa. The lower partof the uterus secretes a gelatinous medium (or capside, as the case 136 GENERATIVE ORGANS OF DIOECIOUS MOLLUSCA chap. may be) in


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1895