532 FEMALE UROGENITAL ORGANS IN THE MARSUP1ALIA. 



(Plate xxvii.) 



Fig. 1. — Urogenital organs of Myrmecobius fasciatus, from the dorsal aspect 



(x4). 

 Fig. 5. — Urogenital organs of Tarsipes rostratus, from the ventral aspect 



(X2). 



(Plate xxviii.) 



Figs. 2, 3 and 4. — Trans, sections through the genital organs of Mrymecobvm 



fasciatus. See text. ( x 18§). 

 Figs. 6, 7 and 8. — Trans, sections through the preceding genital organs of 



Tarsipes rostratus. See text. ( x 24). 



(Plate xxix. ) 



Fig. 9. — Reproduction from photo-micrograph of trans, section, urogenital 

 organs, T. vulpecula, showing the pseudo- vaginal passage. The 

 dark mass to one side of the passage is formed by extravasated 

 blood ( x about 55). 



