PLATE 100. 



TUSCAROKIDA. 



Diam. Page 



x 30 1706 



Fig. 1. Tuscarora bisternaria, John Murray, 



View from the dorsal side. 



Fig. la. View from the mouth pole 



Fig. 2. Tuscarora murrayi, n. sp., . 



View from the dorsal side. The central capsule (in the aboral half), and 

 the phteodium (in the middle of the shell-cavity) are visible. A 

 fine network of pseudopodia pierces the calymma, which fills up 

 the shell-cavity. 



Fig. 3. Tuscarora wyvillei, n. sp., . . x 30 1707 



View from the dorsal side. 



Fig. 3a. Base of a tooth, . . X 100 



Fig. 36. Transverse section through the base of a tooth. 



Fig. 3r. Base of a foot 



Fig. 4. Tuscarora tetrahedra, John Murray, . x 15 1707 



View from the dorsal side. 



Fig. 4a. Mouth with the three teeth, . . . X 50 



Fig. 5. Tuscarora tubulosa, John Murray, . . x 40 1707 



View from the ventral side. 



Fig So. Mouth with the two teeth, . . . X 100 



Fig. 56. Basal part of a single tooth, . . . X 150 



Fig. 6. Tuscarora porcellana, John Murray, . . . x GOO 1708 



Fig. 6a. A piece of the shell, with five pores. 



Fig. 66. A piece of a tooth, with the internal axial rod and its transverse 

 branches. 



Fig. 7. Tuscarusa medusa, n. sp., . . . . x 25 1709 



View from the side. 

 Fig. la. View from the mouth, . . . X 50 



Fig. 8. Tuscaridium lithomithium, n. sp., . . . x 20 1710 



View from the ventral side. Central capsule and calyinma as in fig. 2. 

 Fig. 8a. Periatome from the ventral side. 

 Fig. 86. Periatome from the right side. 



