OCR Text |
Show 1903.] ANATOMY OF THE JAPANESE SALAMANDER. 303 • raising it, to pass over (literally, of course, under) the ductus before becoming attached to its posterior wall and to the posterior wall of the pericardium. In Menopoma, on the other hand, I observe that the gubernaculum is smaller and less band-like and Text-fig. 29. Ventral view of Heart of Megalobatrachus. An., auricle; G, gubernaculum cordis; V.c.i., vena cava inferior. (For this drawing and text-fig. 28 I a m indebted to the kindness of Mr. R. Crawshay.) is attached at once to the vein without passing beyond it. Moreover in the latter Amphibian as contrasted with Megalobratrachus, |