PLATE XXII. 



Turbo shumardi. 



Fig. 1. Dorsal view of an internal cast of a specimen. Page 191 



Fig. 2. Dorsal view of a perfect specimen, very large. 



Bucania devonica. 



Fig. 3, 4. Vertical and front view of a specimen Page 160 



Cyclonema multilira. 

 Fig. 5. View of a gutta percha cast. Page 188 



Strophostylus varians. 



Fig. 6, 7. Dorsal and vertical view of a specimen. Page 186 



Loxonema laeviusculum 



Fig. 8. View of a somewhat distorted specimen. Page 178 



Fig. 9. View of a more perfect specimen. 



Platyostoma lineata var. callosa. 

 Fig. 10, 11. Side and summit view of a specimen. Page 184 



