PLATE III.
| Fig. 1. Cermatia forceps. (Natural size.) |
| 1 a. Magnified view of head of same. |
| 2. Spirobolus marginatus. (Natural size.) |
| 2 a. Head of the same. (Magnified.) |
| 2 b. Tail of the same. (Magnified.) |
| 3. This figure is a failure; it does not even resemble what it was drawn from |
| 4. Polydesmus erythropygys. (Natural size.) |
| 5. Polydesmus floridus. (Natural size.) |
| 6. Polydesmus corrugatus. (Natural size.) |
| 6 a. Magnified view of under side of posterior portion of same. |
| 7. Polydesmus trimaculatus. (Natural size.) |
| 8. Polydesmus Virginiensis. (Natural size.) |
