316 PHYSIOLOGY. 



rudimental sperm duct of the second testicle,, and the sperm duct now 

 distended into a common evacuating duct, to which the spermatheca of 

 the female was attached; it thence passed into the sheath of the penis. 

 Rudolphi. 



Gostrophaga medicaginis. Right male, left female ; abdomen 

 female, but more compact. The separation of the sexual organs merely 

 indicated. Rudolphi. 



Lucanus cervus. Left male, right female. Klug. * 

 Besides this remarkable hermaphrodite but one other instance of it 

 is known in the Coleoptera, in Melolontha vulgarly, in which, according 

 to Germar f, an individual has a male antenna on one side and female 

 on the other. 



B. IMPERFECT HERMAPHRODITES. 



Melitoea Phoebe. Male : the right antenna and the wing of the 

 same side larger, but agreeing with the left in colour and markings. 

 Germar. 



M. Dydimus, O. Male : the left eye, the left palpus, and an- 

 tenna smaller; the latter annulated with white, yellow at the apex, 

 the right of one colour ; wings equal, male ; abdomen male, but some- 

 what thick, the left sexual fang smaller. Upon its dissection the male 

 sexual organs were found, and a free ovary upon the left side united to 

 no other organ. Klug. | and Rudolphi. 



Pontia Daplidice. Female : the right anterior wing male, antennae 

 and palpi equal, sexual organs resembling the male. Rudolphi. 



P. cardamines. Two instances : one a male, whose right superior 

 Aving has female markings ; and a female with some male colours. Ochs. 



Deilephila galii, O. Female ; left antenna and palpus smaller, 

 but agreeing with the right female one in colour and markings. 



O O <-2 O 



Germar. 



Saturnia Carpini, O. Female: antennae male, superior wings 

 formed as in the male, but coloured as in the female ; posterior wings 

 female, the left with a reddish brown spot. Ochs. 



Liparis dispar, O. The males have frequently white colours ; but 

 there are two positive instances, 1st, a male, of which the abdomen and 

 the right posterior wing is female ; and 2nd, an individual in Mazzola's 

 collection. The right antenna is male, the left female ; the abdomen 



* Schriften der Gcsellsch Naturf. Freundc zu Berlin, 

 f McekiTs Archiv, vol. 5. p. 366. J In Froriep's Notizen, vol. x. p. 183. 



