360 The Ohio Journal of Science [Vol. XIX, No. 6, 



the thorax where it slopes abruptly downward, is narrowed gradually 

 forward and suddenly backward from this point. (Epigynum, PI. XV, 

 Fig. 9). 



One female from the high upland prairie above Cantwell 

 Cliffs, five miles south of Rockbridge, Ohio, July 8, 1918. 

 This specimen was in a silk cocoon in a curled Smilax leaf and 

 was apparently ready to lay eggs. 



EXPLANATION OF PLATE XV. 



L Grammonota vittata. la, dorsal view of male; lb, outside of right palpal organ; 



Ic, inside of right palpal organ; Id, epigynum. 

 2. Oxyptila marshalli. 2a, outside of right palpal organ; 2b, anterior side of right 



metatarsus. 



,3. Prosthesima lacca, outside of left palpus. 



4. Drassodes auriculoides . 4a, eyes from above; 4b, epigynum. 



5. Prosthesima lutea. 5a, eyes from above; 5b, palpus. 



6. Phidippus hirsutus, 6a, epigynum; 6b, palpal organ. 



7. Cybaeiis silicis. 7a, epigynum; 7b, left palpus. 



8. Sittactis cursor. 8a, palpus: 8b, epigynum. 



9. Sassaciis smaragdinus, epigynum. 



