Plate 35 
This plate from Proceedings of the United States National Museum, 49. 
FIGURE PAGE 
1. Thais canalicidata analoga Forbes. 46 
2. Thais canalicidata comprcssa Dali. 47 
3. Thais canalicidata Duclos . 46 
Typical. 
4. Thais canalicidata Duclos . 46 
5. Thais, lamcllosa cymica Dali . 43 
6. Thais lamcllosa fran ciscana Dali. 43 
7. Thais lamcllosa Gmelin . 42 
8. Thais lamellosa horniica Dali . 43 
