Bibliography Record
| Ryder, John A. | |||
| 1878 | On the mechanical genesis of tooth-forms. Proc. Acad. Nat. Sci. Philadelphia 30(1): 45-80. 11 figs. Apr. 1878. | ||
Related Index Records
None Found
Bibliography and Index of the Sirenia and Desmostylia 
| Ryder, John A. | |||
| 1878 | On the mechanical genesis of tooth-forms. Proc. Acad. Nat. Sci. Philadelphia 30(1): 45-80. 11 figs. Apr. 1878. | ||
None Found