PLATE 100. 



TlJSCARORIDA. 



Fig. 1. Tuscarora bisternaria, John Murray, 



View from the dorsal side. 



Fig. la. View from trie mouth pole .... 



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



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

 the phaeodium (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., . 



View from the dorsal side. 



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



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



Fig. 3c. Base of a foot. 



Fig. 4. Tuscarora tetrahedra, John Murray, 



View from the dorsal side. 



Fig. 4a. Mouth with the three teeth, 



Fig. 5. Tuscarora tubulosa, John Murray, 

 View from the ventral side. 

 Fig 5a. Mouth with the two teeth, 

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



Fig. 6. Tuscarora porcellana, John Murray, 



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., 



View from the side. 



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



Fig. 8. Tuscaridium litliornithium, n. sp., 



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

 Fig. 8a. Peristome from the ventral side. 

 Fig. 8b. Peristome from the right side. 



Diam. 



x 30 



25 



30 



x 40 



x 100 



x 150 



x 600 



25 



50 



20 



1706 



1706 



x 30 1707 



x 100 



x 15 1707 



x 50 



1707 



1708 



1709 



1710 



