PLATE 100. 



TUSCARORIDA. 



Fig. 1. Tuscarora bisternaria, John Murray, 



View from the dorsal side. 



Tig. la. View from trie mouth pole .... 



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



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

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

 fine network of pseudopodia pierces the calymma, which fills up 

 the shell-cavity. 



Diam. 



x 30 



x 25 

 x 30 



Fig. 3. Tuscarora wyvillei, n. sp., 



View from the dorsal side. 

 Fig. Za. Base of a tooth, 



. x 30 

 . x 100 



Fig. 3&. Transverse section through the hase of a tooth. 



Page 

 1706 



1706 



1707 



1707 



1707 



1708 



Fig. 3c. Base of a foot. 



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



View from the dorsal side. 



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



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



View from the ventral side. 



Fig. 5a. Mouth with the two teeth, . . . x 100 



Fig. 5b. Basal part of a single tooth, . . . x 150 



Fig. 6. Tuscarora porcellana, John Murray, . . . x 600 



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



Fig. 6b. 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. 7a. View from the mouth, . . . . X 5 



Fig. 8. Tuscaridium lithornithium, n. sp., . . . x 20 1710' 



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

 Fig. 8a. Peristome from the ventral side. 

 Fig. 8&. Peristome from the right side. 



