1903. 



AXATOMY OF THE JAPANESE SALAMANDER. 



30^ 



raising it, to pass over (literally, of course, under) the ductus Cuvieri 

 before becoming attached to its posterior wall and to the posterior 

 wall of the pericardium. In Menoiyoma, on the other hand, I 

 observe that the gubernaculum is smaller and less band-like and 



Text-fio-. 29. 



yc.i 



Ventral view of Heart oi Megalohatraehus. 



Au., auricle; G, gubernaculum cordis; V.c.i., vena cava inferior. 



(For this drawing and text-fig. 28 I am indebted to the kicduess of Mr. R. Crawshaj-.) 



is attached at once to the vein without passing beyond it. More- 

 over, in the latter Amphibian as contrasted with Megalobratrachus, 



