COLLECTED IN DUTCH NEW GUINEA. 



295 



and more closely set strise and ribbing ; while on the penultimate whorl the transverse 

 striping is very marked. 



Dimensions : 12 mm. max. breadth x7'8 max. alt., aperture 7 mm. wide. 



B. Internal Characters. 



The jaw (PI. XXXII. fig. 10) is very deep and simple in shape. It is devoid of 

 a median projection and is delicate in texture. In addition to the concentric lines 

 of growth, fine radial lines are observable. 



A single row of teeth from the radtola (PL XXXII. fig. 12) consists of about 110 



Text-flffure 9. 



Genitalia of C'hronos suUiniis. Eor lettering, see test-fig. 11 (p. 299). 



teeth on each side (it is impossible to state the exact number), very closely packed 

 and difficult to observe. From the first admedian tooth to the extreme marginals there 

 is very little modification, all the teeth being of a curved sabre-like pattern, somewhat 

 broad at the base, and presenting an ovate section when viewed (as in the figure) from 

 the basal end. 



Alimentary tract, etc. — If the long sabre-like teeth are held to indicate a carnivorous 

 mode of living, the condition of the intestine lends support to this view, as it is 



VOL. sx. — PART VII. No. 2. — May, 1914. 2 s 



