698 



ANATOMY OF VERTEBRATES. 



close-set longitudinal laminae, supported on six successively larger 

 transverse processes, the two last of which project into the vagina, 

 and form the os tincae. The vagina exhibits at its commence- 

 ment some longitudinal ruga? ; but the rest of its inner surface is 

 almost smooth. 



The cornua uteri in the Goat and Sheep, fig. 546, g, are rela- 

 tively longer, more tortuous, and expand more gradually from 

 the ends of the oviducts than in the Deer and Cow : their point 

 of confluence is marked by the style f. The structure of 

 the corpus and cervix uteri resembles that in the Bison. The 

 groups of laminae there present the appearance of a number 



546 



Ovaria, oviducts, and uterus, Sheep. 



of successive ora tincae, ib. c, b. In the virgin Ewe a filamentary 

 band, crossing the constriction between the urogenital canal and 

 vagina represents the s hymen.' The canals of Malpighi open 

 into the urogenital passage, near that constriction. The crura 

 clitoridis are embraced by f erectores : ' the glans projects just 

 within the ( peak ' of the vulva. 



§ 392. In Carnivora. — In the Seal (Phoca vitidina) the ovaria 



