65 



positor dark testaceous, lontjer than the abdomen, perfectly straight, 

 tapering only on apical fourth, finely pointed. 



Length of body, ?, 16.5 mm. ; of antennae, 9, 50 mm.; of tegniina, 

 ?, 8.75 mm.; of hind femora, ?, 16 mm.; of ovipositor, ?, 13.5 mm.; 

 2 ?. Texas, Beifi-age; Mississijjpi. This is the insect referred to in 

 the Proceedings of the Boston Society of Natural History, XI, 434-5, 

 as laying its eggs in the stems of the cotton plant. Dr. Hagen's spec- 

 imens were from Chicot Co., Arkansas. " The eggs were pale yellow, 

 one-fifth of an inch long, cylindrical, bluntly pointed and a little 

 tapering at the end from which the larva emerges; the other extrem- 

 ity was rounded. " 



20. Xiphidium nemorale. Greenish-brown ; the usual dor- 

 sal markings more or less distinct. Fastigium of vertex broad, but 

 little pinched at the front edge of the eyes, as viewed from above, 

 rapidly narrowing in front to meet the frontal costa. Tegmina cov- 

 ering about two-thirds of the abdomen, the veins and cross veins 

 unusually j^rominent, giving the tegmina a coarse and scabrous look ; 

 they are broadly rounded at tip, and the tympanum of the males is 

 stout and elevated; tip of hind femora and all the tarsi dusky. Ovi- 

 positor as long as the abdomen, a little ensiform, i-ather delicatelv" 

 tapering in the apical half, finely pointed. 



Length of body, cf, 13 mm.; ?, 14 mm. ; of tegmina, d', 6 mm. ; ?, 

 6.25 mm. ; of hind femora, cf, 11 mm.; ?, 13 mm.; of ovipositor, ?, 

 8.25 mm. 14 cT, 24 9, "token only in groves" by Mr. J. A. Allen, 

 Sept. 1-3, in Dallas Co., Iowa. 



