;5;iG 



lAci-; skih;si;i;i!<.! 



Fig. LXI. — M. (Cypridinodes) acuminuia ii. sp.. S-— 1- f'lii'". si-lmi Iruiii llic .side; 17,7 /,. -. Aiitfriur pari of the 

 righl valve, seen I'rom inside; 50 X. :i. 'I'lie two bfi^tles near the inner edge of the rostral incisur and the three inner 

 bristles in the row along the (lor.sal edge of the ineisnr; 500 X. 1. One on the bristles on the list just liehin<i the 

 rostral incisur; 325 X. 5. Posterior part of the right valve, seen from inside; 100 X. 



