VESICULA PROSTATICA. 



1421 



Fig. 879. 



if. 880. 



IVeberian Organ of the Deer, 

 a, a, vasa defurentia ; b, b, se- 

 minal vesicles ; c, Weberian 

 organ. 



a, a, 



Weberian Organ of the Goat. 

 seminal ducts ; b, b, seminal vesicles ; c, Weberian organ. 



in the majority of he-goats a less complete found. But in the bullock I found immediately 

 development of the Weberian organ occurs. 

 According to my observations the ore;an 



under the orifice of the vasa deferentia a small 

 and scarcely noticeable roundish aperture, 



consists of a cylindrical body, which ascends through which a probe penetrated about two 



between the two seminal ducts, and is strongly lines in depth, evidently into the tubular 



united to these by areolar tissue, especially cavity of a small Weberian organ, which was 



in its interior half. After a course of an inch covered by the heart-shaped mass of the pro- 



and a half it splits into two horns, which are state 

 apposcd to the seminal ducts, and continue 

 with these to the testicles, where they pass 

 into the covering of the epididymis. In 

 two instances the lower third of the body 

 was dilated into a longish vesicle of about 

 three lines in diameter, while the part above 

 this measured scarcely one line. At the seat 

 of bifurcation it was again dilated, though 

 less considerably. In one individual the 

 middle portion was obliterated so as to form 

 a solid cord. The point of opening into the 

 uro-genital canal is a small linear fold, which is 

 separated by a short interval from the orifices 

 of the vasa deferentia, and is usually placed 

 below, but, in one instance, above them. 



The genitals examined were those of either 

 new-born individuals, or of such as were 

 but a few weeks old. In two instances, which 

 were in no way distinguished by a special 

 development of the Weberian organ, the uro- 

 genital canal was wider and shorter than 

 normal, measuring from 2 to 2i inches long 

 onlv, instead of about 4 inches, while the 

 penis was smaller, and twisted into numerous 

 zigzags or spirals. But in other respects the 

 male organs were quite perfectly developed ; 

 the urethra opened at the extremity of the 

 penis, and the testicles had descended into 

 the scrotum. 



In the sheep there is no Weberian organ. 

 Even in the new-born individual, neither its 

 opening nor any other indication of it can be 



Fig. 881. 



V 

 5 



Weberian Organ of the. Mbnodon. 



a, verumontanum ; b, b, oriliccs of the vasa de- 

 ferentia ; c, orilice of the Weberian body. 



Cetnrea. Some time ago* I describe. I the 

 Weberian organ in the narwhal and illphin. 

 It lies in the prostate, beneath the conspicuous 



* Zur Anatomic, &c., S. 100. 



