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Show 1885.] NEW-ZEALAND EARTHWORMS. 825 these bodies that are homologous with what T have described as the testes of Acanthodrilus. The structure of the male generative organs in Lumbricus appear therefore to be exceptional, since it is almost the general rule among Earthworms for the testes to be lanre Fig. 3. / C.p... Acanthodrilus dissimilis.-Dissection of genital region. c.p, Copulatory pouch; a, testes; /, funnels of vasa deferentia; v d vas de terens; ov, ovary; o.d, oviduct; n, opening of nephridia; t, f, neculiar glands homologous (?) with ovaries; p, prostate ; so, sac containing pe J removed P ° ° oesoPhag«s> and the testes of left side have been glands, not in the least comparable in size to the ovaries. The that the true testes of Lumbricus are approximately of the same size as the ovaries, might lead any one to doubt on d priori grounds of the correctness of m y description ; but the racemose character of the testes in Acanthodrilus, which I have fcund more marked in |