PLATE 60. 

 TRIPOCYRTIDA. 



Diam. Page 



Fig. 1. Dictyop/timus cienkowskii, n. sp. (vel Lamprotripus squar- 



rosus), . x 300 1200 



Shell seen from the side. 



Fig. 2. Dictyophimus biitschlii, n. sp. (vel Lamprotripus horridus), x 300 1201 



Fig. 3. Dictyophimus hertivigii, n. sp. (vel Lamprotripus spinosus), x 400 1201 



The cephalis of the shell includes the central capsule, with three lobes 

 depending in the pyramidal thorax. 



Fig. 4. Dictyophimus platyce}yhalus, n. sp., . . x 400 1198 



Central capsule with four thoracic lobes, each of which contains an 

 oil-globule ; kidney-shaped nucleus in the cephalic lobe. 



Fig. 5. Dictyophimus platycephaliis, n. sp., . . x 400 1198 



Shell seen from the side. 



Fig. 6. Dictyophimus brandtii, n. sp., . . x 300 1198 



Shell seen from the base, with the four large pores of the collar septum, 

 two minor jugular and two major cardinal pores. 



Fig. 7. Lampromitra coronata, n. sp., . . . x 400 1214 



Shell seen from below, with the quadrilobate central capsule. 

 Fig. la. A portion of the shell-margin, . x800 1214 



Fig. 8. Lampromitra arborescens, n. sp., . x 400 1216 



Shell from above. 

 Fig. 8a. The collar septum with the four crossed rods of the cortina, . X 400 1216 



Fig. 9. Tripocyrtis plectaniscus, n. sp., x 400 1202 



Fig. 10. Tripocyrtis plagoniscus, n. sp., . x 400 1201 



