1875.] 517 [Scudder. 



equal, broadly rounded apically, the cross veins rather distant ; wings 

 moderately broad, hyaline in the species seen, the cells large, in no 

 part exceptional. 



40. Phlibostroma pictum. Livid brown, with an oliva- 

 ceous tinge above ; upper interior edge of eyes margined with black, 

 and the summit of the head with a more or less distinct dark median 

 stripe ; antennas yellow, a little rufous toward the tip. A triangular 

 brown stripe behind the eye, the apex a little above the middle of the 

 eye, connected with a broad blackish brown stripe on the sides of the 

 pronotum, extending to, and sometimes a little beyond, the principal 

 transverse sulcus, faint in front and enlivened by a short longitudinal 

 white line, extending, a little below the middle of the stripe, from the 

 anterior transverse sulcus forward ; posterior lobe of pronotum dusky 

 externally on the disc; tegmina pale cinereous, the middle area with 

 four or five large, oblique, quadrate or triangular, fuscous blotches, 

 darkest at the edges, extending from the base three quarters of the 

 distance to the tip, the outer ones more transverse than the others 

 and directed from below upward and outward; wings hyaline, some 

 of the veins blackish; hind femora cinereous, black at tip, with two or 

 three very oblique, fuscous stripes, all but the basal one covering also 

 the superior sulcation, sometimes confluent on the sides; hind tibiae 

 pale red, paler toward the base, the extreme tip of which is black. 



Length of body, ef, 16 mm.; ?, 22.25; of antennae, 9, 9.25 mm.; of 

 tegmina, d", 16 mm.; ?, 18 mm.; of hind femora, c?, 11.5 mm.; ?, 

 1.35. 1 c?, 1 ?, Glencoe, Dodge Co., Nebraska, G. M. Dodge. 



ERRATA ET ADDENDA. 



Page 75, line 25. For missouriense read missouriensis. 

 Page 164, line 10. For Agr. simplicius read simplaria. 

 Page 339, line 24. For horreorem read horreorum. 



On p. 173, it is necessary, through accidental transposition of matter, to make 

 the following important correction, namely, to substitute for the first six lines the 

 following : 



That the cavity upon the ventrals, containing the muscular gland, fills so readily 

 with the sperm when the claspers are erected, and that its contents are expelled, 

 upon contraction of the muscles around it, with such certainty to their ends, when 

 restored to their normal position, are evidences that it acts as a forcing or squirting 

 apparatus. 



