1910. ] H. B. Preston: Descriptions of new shells. 11g 
indistinct nodule above; labrum nearly continuous, reflexed, 
whitish, with three very distant chestnut spots, the result of the 
termination of the colour bands ; aperture oval, a notch appearing 
at the point of contact of the outer lip with the parietal wall: 
canal elongate, closed, anteriorly recurved. 
Fic. 3.—Pteronotus annandalei, sp. nov. 
Altitude eb oi JO5 sim, 
Diam., major et? ee 
He minor tans 25 x 
Aperture, alt. nei ae 
diam. Santee iS 
dd”) 
Hab.—Off Gopalpore, 30—38 fathoms. (B. F. Trawler ‘‘ Gol- 
den Crown.’’) 
Type in Indian Museum (Reg. No. M. *725). 
A very handsome species which is easily separable from other 
members of the group by its graceful form combined with the 
curiously nodulous sculpture ; owing to the chipping away of part 
of the foliaceous varex behind the aperture, the measurement of 
the greatest diameter quoted above must be considerably greater 
in a perfect specimen. 
Martesia delicatula, sp. nov. 
_ Shell irregularly rhomboidal, widely gaping anteriorly, pure 
white, thin ; both valves anteriorly swollen, depressed towards the 
