CHAPTER PACT 



X. THE MECHANISM OF LOVE 91 



2. Copulation (Continued) Arthropodes. Scorpions. 

 Large aquatic crustaceans. Small crustaceans. The 

 hydrachne. Scutilary. Cockchafer. Butterflies. 

 Flies, etc. Variation of animals' sexual habits. 



XI. THE MECHANISM OF LOVE 98 



3. 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. Foetal parasitism. Chastity of fish. 

 Sexes separated in love. Onanistic fecundation. 

 Cephalopodes, the spermatophore. 



XII. THE MECHANISM OF LOVE 107 



4. Hermaphrodism. Sexual life of oysters. Gastero- 

 podes. The idea of reproduction and the idea of 

 pleasure. Mechanism of reciprocal reproduction: 

 helices. Spintrian habits. Reflection on hermaphrod- 

 ism. 



XIII. THE MECHANISM OF LOVE xia 



5. Artificial fecundation. Disjunction of the secret- 

 ing apparatus from the copulating apparatus. Spiders. 

 Discovery of their copulative method. Brutality of 

 the female. Habits of the epeire. The argyronete. 

 The tarantula. Exceptions: the reapers. Dragonflies 

 (libellule) . Dragonflies (demoiselle) virgins and "jou- 

 vencelle." Picture of their love affairs. 



XIV. THE MECHANISM OF LOVE 120 



6. Cannibalism in sex. Females who devour the male, 

 those who devour the spermatophore. Probable use of 

 these practices. Fecundation by the whole male. 

 Loves of the white foreheaded dectic. The green 

 grasshopper. The Alpine analote. The ephippigere. 

 Further reflections on the cannibalism of sex. Loves of 

 the praying mantis. 



XV. THE SEXUAL PARADE 137 



Universality of the caress, of amorous preludes. Their 

 role in fecundation. Sexual games of birds. How 

 cantharides caress. Males' combats. Pretended com- 

 bats of birds. Dance of the tetras. Gardener bird. 

 His country house. His taste for flowers. Reflections 



vii 



