34 DESCRIPTIONS OF PREPARATIONS. 



Prof. Peters, in Miiller's Archiv, 1849, from the Swedish of F. Wahlgren. A uterus 

 masculinus of somewhat similar proportions is figured by Pallas, * Novae species 

 Glirium,' 1778, from the Arctomys bobac, p. 117, Taf. ix. fig. 5, but in the genus 

 Lagomys, judging from his figures 9 and 15, Taf. iv. B, we must suppose the two 

 vasa deferentia to be, by a very unusual arrangement, fused into a single tube but 

 a very short distance above the bulb of the urethra, and the uterus masculinus to 

 be absent contrary to what Leuckart has (I.e. p. 1419) suggested. The organ is 

 said to be somewhat smaller in the Hare than in the Rabbit. It is much smaller 

 relatively in the human subject than in most Mammalia in which it has been seen ; 

 for figures, however, of a large specimen from a human embryo of 32 weeks, see 

 Betz in Miiller's Archiv, 1850, Taf. ii. 



For the General Morphology of the male and female generative organs in 

 Mammals, see Allen Thomson in Quain's Elements of Anatomy, vol. ii. 1882, p. 

 911, and Banks 'On the Wolffian Bodies,' 1864, ibi citat.; Leuckart, Zur 

 Morphologic und Anatomic der Geschlechtorgane, aus Gottingen Studien, 1847, 

 and /. c. supra ; Meckel, Zur 'Morphologic der Harn- und Geschlechtswerkzeuge, 

 1848; Fredrik Wahlgren in M tiller's Archiv, 1849, pp. 686-713; Rathke, Vortrage 

 zur Vergleichenden Anatomie, 1862, pp. 135-170; Gegenbaur, Grundriss der 

 Vergleichenden Anatomie, 1878, p. 645, where the uterus masculinus is taken as the 

 homologue rather of the vagina than of the uterus. See also Watson, P. Z. S. 1878, 

 p. 424; Young, Journal of Anat. and Physiol. 1879, p. 315; and for opening 

 of vasa deferentia into uterus masculinus, see same two authors, on Elk, 

 J. L. S. 187** p. 375; on Hyaena crocuta, P. Z. S. /. c. ; and Dr. Young on 

 Koala, /. c. \ 



For Taenia serrata and Cysticercus pisiformis, see Preps. 46 and 4 7 post. For 

 figures, see P. J. van Beneden, Me'moire sur les Vers Intestinaux, Paris, 1858, p. 

 148, PI. xx. And for the fact that this particular parasite affects the locality h as 

 a 'point de predilection' (much, perhaps, in the way that the stress of certain 

 infectious diseases has preferential sites), see Martin St. Ange, /. c. p. 7. 



For the migration of these and o^her Cysticerd from their first site in the 

 liver, and for the recovery of the liver from the injury thus inflicted, see Leuckart, 

 Die menschlichen Parasiten, 1879, pp. 92, 93, and 174. Flukes will similarly 

 migrate from the liver into the peritoneal cavity. 



9. GENERATIVE ORGANS, TOGETHER WITH THE BLADDER AND 

 RECTUM, AND THE GLANDS IN RELATION WITH THEM, OF FE- 

 MALE RABBIT (Lepus cuniculus). 



With Figure 5. 



THE dissection has been made upon the same plan as the preceding 

 Preparation of the urinary and generative organs of the male Rabbit, and 

 it shows very clearly the exactness of the homology existing between the 

 parts from the commencement of the urogenital canals, c and d, outwards. 

 The two organs, b and b, in the two preparations are very closely similar, 

 and this similarity has led to the belief that the uterus masculinus of the 



