Section 20. the Correspondence of the Male Organs of the Dog-Fish

with those of the rabbit, will be more evident if the student imagine--

(a) the testes, vasa efferentia, and epididymis of each side to shift posteriorly until they reach a position on either side of the cloaca; and

(b) The uro-genital apertures, instead of meeting dorsally and posteriorly to the anus, to shift round that opening and meet anteriorly and ventrically to it.