( 43i ) 



TABLE XLIV. 



Systematic Survey of the Homologies of the Sexual Organs in the two Sexea 



of Mammals. 



XLIV. A. Homologies op the Internal Sexual Organs. 



O. Common Rudiments of the 

 Internal Sexual Organs. 



M. Internal Male Parts. 



F. Internal Female Parts. 



1. Male germ-gland (testes-plate 



in the embryo, product of the 

 skin-layer ?) 



2. Female germ-gland (ovary-plate, 



product of the intestinal 

 layer ?) 



3. Wolffian duct (lateral primitive 



kidney duct) . 



<• a. Miillerian duct 



(Ductus Mulleri, central pri- 

 mitive kidney duct) 

 4 6. Upper part of the Miillerian 



duct 

 4 c. Lower part of the Miillerian 



duct 

 6. Remnant of the primitive kidney 



(Protonephron, corpus Wo\f- 



fii) 



6. Groin ligament of the primitive 



kidney 



(Ligamcntum protonephroin- 



guinale) 



7. Sexual mesentery 



(Mesenterium sexuale) 



1. Testis 



(Testis,* 



Orchis) 



2. (Rudimentary ovary, dis- 



appears, — remains in 

 some Amphibia) 



3. Seed-duct 



(Spermaductus) 



4 a. Kathke's duct (rudi- 

 mentary canal in 

 Amphibia) 



4 b. Eydatis Morgagni 



4 ft. Uterus masculinus 

 ( Yesicula prostatica) 



5. Supplementary testes 



(Epididymis) 



6. Hunterian guiding-cord 



(Gubernaculum Hun- 

 ter i) 



7. Testis-mesentery 



(Mesorchium) 



1. Rudimentary testis dis- 



appears, — remains in 

 some Amphibia 



2. Ovary 



( Ovarium, or Oqphoron) 



3. Gartnerian duct (rudi- 



mentary canal) 

 4 a. Oviduct 



(Oc (ductus, tit Tuba 



Fallopia) 

 4 b. Hydatis Fallopia 



4 c. Uterus, sheath (vagina) 



5. Supplementary ovary 



(Parovarium) 



6. Round uterus-cord 



(Ligamentum uteri 

 rotuudum) 



7. Ovary-mesentery 



(Mesovarium) 



XLIV. B. Homologies of the External Sexual Organs. 



Q. Common Rudiments of the 

 External Sexual Organs. 



M. External Male Parts. 



F. External Female Parts. 



8. Sexual protuberance 



8. Penis 



8. Clitoris 



(Phallus) 







9. Fore-skin 



9. Male fore-skin 



9. Female fore-skin 



(Prceputium) 



(Prceputium penis) 



(Prceputium clitoridis) 



10. Sexual folds 



10. Testes-sac 



10. Labiapudenditnajores 



(Plicce genitales) 

 11. Fissure between the two sexual 



(Scrotum) 





11. Seam of the testis-sac 



11. Female Vulva 



folds 



(Raphe scroti) 





12. Sexual edges (edges of the 



12. Edges of the sexual 



12. Labia pudendi minora 



sexual furrow) 



furrow coalesce 





13. Urogenital canal 



13. Ureters 



13. Antechamber of the vagina 



(Sinus urogenitalis) 

 14. Glandular appendages of the 



(Urethra) 



(lestibulum vagina) 



14. Cowper's glands 



14. Bartholi's glands 



urogenital canal 







61 



