EXPLANATION OF PLATE XXIL 



Fig. I. LatriDiculia comdosa, sp. nov. ; natural size. 

 Fig. 2. Paracordyla liguea, gen. et sp. nov. ; x 2/2- 



The specimen, which has been longitudinally bi- 

 sected, is viewed from the inner surface. 

 ^'§- 3- Polymastia craticia, sp. nov. ; x 3/8. 



