66 COLLINGE: NON-OPERCULATE LAND AND FRESHWATER MOLLUSCS. 



Hah. — Hills near Biserat, State of Jalor. 



Probably this species belongs to Babor's sub-genus Padawjia. The 

 granulated appearance of the notuin is due to a large n imber of small 

 wart-like bodies of two different sizes. The notum fits over the head 

 as a hood, covering over the tentacles and mouth. The external male 

 generative orifice is siiunted on the right side, as indicated in figure 57 

 (PI. v) ; although very carefully examined, I failed to find any opening 

 on the left side which would correspond to the opening of the left gland 

 of Simroth. 



The Alimentary Canal (PI. v, fig. 59). — The digestive tracl is ex- 

 exceedingly simple. I have nothing to add to the accounts already 

 given by Simroth and the Sarasins, of the buccal cavity and sheath. 

 The oesophagus passes from the buccal cavity towards the right side, 

 then dipping ventrally it passes beneath the most posterior portion of 

 the buccal mass, and backward to the stomach or mid-gut gland of 

 Simroth, which internally has a sacculated appearance very similar to 

 that figured by Rathouis (24, PI. xxxii, fig i), in Rathouma leonina. 

 Leaving this gland the intestine makes a slight sigmoid curve and runs 

 dorsal to the oesophagus as the second loop of the intestinal tract, then 

 making a bend to the right, it terminates at the anal aperture, the whole 

 structure being of a very simple and primitive nature. The contents 

 of the oesophagus and mid-gut gland were microscopically examined, 

 and the results obtained lend to confirm Simroth's observations on the 

 contents in A. mnqteri and ^4. leacliarfi, viz. that the food consists of 

 vegetable matter (fungi) and flesh. 



The Generative Onjans (PL v, figs. 58-59, PI. vi, figs. 60-64). — " 

 Having only one specimen for dissection, I have been unable to work 

 out the structure of the generative organs in the detail I should have 

 liked. This specimen internally was not in the best condition either, 

 which is the more to be regretted as both Simroth (27), and the .Sarasins 

 (25) give few particulars regarding these organs. The figures given by 

 Simroth (27, T. xxxvii, figs. 27-28) I can scarcely think are correct. 



In A. saradni I was able to trace a well developed vagina, a simple 

 tube-like organ, at the distal portion of which, the duct of the recepta- 

 culum seminis enters, beyond this point it becomes folded in an U-shaped 

 pouch, continuing again as a tube ; this portion lying posterior to the 

 receptaculum seminis I regard as the free-oviduct. It passes into the 

 oviduct, a large and closely coiled body which is sharply folded upon 

 itself, the folding marking the organ off into three portions. At the end 

 of this tube there is a small glandular body lying upon the albumen 

 gland, this, I think may be the ovary (PL vi, fig. 60, 0). I have failed 

 to trace any connection between the male and female organs. 



