| OCR Text |
Show 434 MR. W. A. FORBES ON THE AFRICAN ELEPHANT. [May 6, which exists in mine, but that the two cornua opened separately the "corps ovale" ( = secondary vagina). Mayer apparently (I. c. pi. 6. p. 38) found a similar arrangement in E. indicus. Hunter, Owen, and Miall and Greenwood all indicate an arrangement like that which obtained in mine*. Fig. 8. Opening of urethra (U) int o the urino-genital canal, about natural size (somewhat diagrammatic). The walls of the urino-genital canal are cut close round the urethral eminence. M.C. Malpighian canals ; below (anterior to) the letters is seen the constriction separating the vagina from the urino-genital canal; on the top of the urethral eminence is seen the small free point; below it is tbe cul-de-sac of the urino-genital canal. N.B. In the natural position the lower parts of the figure are anterior, the upper parts posterior. The secondary vagina, which lies behind the neck of the bladder, is separated by a constriction, leaving only a very small opening, from the urino-genital chamber, which is marked off by the livid blue colour of its mucous membrane from the parts already described. On each side of this median constriction lies a small obliquely-placed slit, about ^ inch long, and admitting a probe for about the same distance into the small sacs (canals of Malpighi), of which they are the openings. Exactly the same arrangement occurs in the Indian 1 In a specimen (2776 A) iu the College of Surgeons of the uterus &c. of indicus, the " corpus uteri" is very much more capacious than in my (young) specimen, is about 7 inches long, and is only separated off from the "secondary vagina " by a prominent zonary fold of mucous membrane. The calibres of these two chambers are about the same. |
