248 THOMAS SAY FOUNDATION 



22. Forceps in back view decidedly diverging 



at tip _' 23 



Forceps in back view contiguous to tip 25 



Forceps in back view separated but parallel, 



wide, the tips broadly rounded (Central 



and South America) 



No. 135. dustralis n. sp. 



23. Forceps quite large; hind tibiae with short 



but quite distinct villosity (West Indies; 

 Group F) No. 103. peltata n. sp. 

 Forceps very small ; hind tibiae not at all vil- 

 lous 24 



24. Anterior claspers very short and stout 



(Guatemala) No. 136. timida n. sp. 



Anterior claspers long, not very stout (wide- 

 spread) No. 137. assidua Walk. 



25. Posterior claspers when viewed from behind 



very broad at tip with a hook on outer side 

 (New York, Pennsylvania) 



No. 138. cingarus n. sp. 

 Posterior claspers slender (Porto Rico) 



No. 139. culminata n. sp. 



26. Second segment of hypopygium very large, 



flat behind, giving the abdomen a trun- 

 cated appearance; forceps minute (Cen- 

 tral America) No. 140. iissa n. sp. . 

 Second segment of hypopygium ordinary — 27 



27. Accessory plate very long and slender, al- 



most as long as the forceps (Jamaica) 



No. 131. fimbriata n. sp. 

 Accessory plate not very long 28 



28. Forceps not at all divergent, very long, 



slender, curved, black from the base 



(Texas) No. 142. texana n. sp. 



Forceps divergent, shorter 29 



29. Lateral vertical bristles generally present 



(widespread) No. 144. latisetosa Park. 

 Lateral vertical bristles absent 30 



