Chapter 11 THE MECHANISM OF LOVE No.11

III. Of birds and fish.-Males without penis.-Coupling by simple contact.-Salacity of birds.-Copulation of batrachians: accoucheur toad, aquatic toad, earth toad, pipa toad.-F?tal parasitism.-Chastity of fish.-Sexes separated in love.-Onanistic fecundation.-Cephalopodes, the spermatophore.

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III. Of birds and fish. It is toward the middle