162 F. Stoliczka — Notes on terrestrial Mollusca. [No. 2, 



The radula is very long, but the teeth are generally only on 

 its anterior portion well developed. The alimentary canal branches 

 off near the upper anterior end of the sheath of the radula ; 

 a short distance from its origin it is somewhat widened and 

 then passes into the stomach, which has no appendages. The 

 intestines make only one simple turn. The rectum is accompanied 

 by a narrow albuminous gland, which has its duct at the lower end 

 of the rectum. Salivary glands moderately broadly linguiform, thin, 

 each attached by a long thread behind the issue of the oesophagus 

 from the sheath. Kidney large, of a pale livid colour, subquadr- 

 angular, lanceolately prolonged on the side of the heart ; the duct 

 is on the right side and accompanies the rectum in its entire length, 

 lying on the left side of it. 



The retractile muscle of the body is not very long, but strong. 

 Its terminal end is almost quite horny ; it is, so to say, the seat in 

 which all muscular action appears to be concentrated. I have 

 already noticed that the mouth is attached by a few direct muscles 

 to the retractor ; the same is also the case with the penis retractor 

 and the muscles of the generative organs. The eye-pedicles also 

 have their origin there, joining the retractor at about half its length. 

 The generative organs are of a simple form. The oviduct is 

 thickened near the end ; the uterus, as usually, foliated, terminating 

 with an elongated albuminous gland of moderate size ; the herma- 

 phrodite duct very much twisted and long ; the hermaphrodite gland 

 small, composed of a cluster of tubes. The receptaculum seminis 

 is small, its peduncle as long as the uterus to which it is grown to 

 almost in its entire length. Vas deferens very short, without any 

 appendages. Penis short, very muscular, attached by a very long 

 thin muscle, almost horny towards the end. In two specimens, (one 

 of St. ohtusus and the other of Burmanicus), I found the anterior 

 end of the uterus somewhat enlarged ; it contained a few large eggs. 

 They were perfectly spherical, but as the specimens had been in 

 spirit for a long time, nothing was discernible in the solidified 

 yolk-mass. Each egg was enclosed in a white calcareous skin, which 

 was still quite flexible, but no doubt turns into a solid calcareous 

 shell after it has been deposited. The Streptaxes, therefore, appear 

 to be oviparous, like the Bulimi, Jchatina and other Helicid^e. 



