side, 

 seen 

 834 

 ante 

 m 



CXII. — /t,iloc,/pns hrnuastns (J. D. Iiana). -- I. Shell seen Iron. Ihr ^i,le. o'; ii X. 2. Shell seen from the 

 S (var •'): 72" X. 3. Left valve seen from the side. ?; i'l X. i. Shell seen from below, $; 3fi X., o. hhell 



d O; 3i X 6 Maru-in of the left valve just in front of the imsymmetrical gland seen from inside, ?; 



'. Rod-shaped organ and the upper lip seen from the side, ?; 9'. X. 8. Rod-shaped orsan and the right first 

 una seen from the side, ?; 260 X. (Figs. 3—5 are drawn from speeiinens from station 8 b; ligs. J, h, 7 Irom sjieei- 

 froni station 12 b. fig. 8 from a speeimen from station 53 and fig. 2 from a specimen from station 116.) 



from belli n 

 X. 



