344 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL.XX 



broad, hyaline, glistening, the veins fuscous only near extreme apex. 

 Fore and middle femora distinctly tumid in the male, dull brownish, 

 the middle femora blackish above, especially apically, all the tarsi 

 marked with blackish; hind femora with the upper outer half blackish, 

 sometimes broken into very oblique dashes by a median and post basal 

 yellowish streak; hind tibiae red, with a narrow black basal annnlus, 

 the spines black beyond the base, eleven to thirteen in number in the 

 outer series. Extremity of the male abdomen a little clavate, slightly 

 recurved, the supraanal plate triangular, with roundly angulate, feebly 

 and broadly elevated sides and subrectangulate apex, the median 

 sulcus broad and deep, occupying only the basal half and inclosed 

 between very high and sharp ridges, which apically diverge abruptly 

 at right angles to the sulcus; furcula consisting of a pair of slight and 

 distant denticulations lying just outside the base of the supraaual 

 ridges; cerci long and slender, compressed, a little incurved, broadest 

 at the base, uniformly and very slightly tapering on the basal half, 

 beyond equal, bent a little upward, broadly' and roundly truncate at 

 tip, and emitting from the inferior angle a slender, compressed, scarcely 

 tapering shoot, rounded at the tip, running in the direction of the upper 

 margin of the basal half of the cerci and in the same general plane; 

 subgenital plate rather broad, slightly longer than broad, the apical 

 margin feebly elevated, broadly rounded and entire. ^ 



Length of body, male, 23.5 mm., female, 30.5 mm.; antennae, male, 

 11.5 mm., female, 12 mm, ; tegmina, male, 21 mm., female, 22 mm. ; hind 

 femora, male, 14.5 mm., female, 16 mm. 



Sixteen males, 21 females. San Antonio, Bexar County, Texas, 

 May (U.S.N.M. Eiley collection); Bosque County, Texas, November 

 l,Belfrage (same; S. H. Scudder); Dallas, Texas, Boll (S. H. Scudder; 

 U.S.N.M. Eiley collection; Museum Comparative Zoology); Agricul- 

 tural College, Mississippi (H. E. Weed); Georgia, Morrison (U.S.K.M. 

 Eiley collection; S. H. Scudder); Jacksonville, Duval County, Florida, 

 Maynard (S. Henshaw). 



This species is closely allied to the preceding smaller species, but may 

 be distinguished from it by the points brought out in the table. 



118. MELANOPLUS LURIDUS. 

 (Plate XXIII, fig 7.) 



Caloptenus luridus DODGE!, Can. Ent., VIII (1876), p. 11. BRUNEH, ibid., IX 

 (1887), p. 145. THOMAS, Rep. U. S. Ent. Comm., I (1878), p. 42. RILEY, 

 ibid., I (1878), p. 220; Stand. Nat. Hist., II (1884), p. 195. 



Melanoplus luridus BRUNER, Rep. U. S. Ent. Comm., Ill (1883), p. 60; Bull. Washb. 

 Coll., I (1885), p. 138; Rep. U. S. Ent., 1885 (1886), p. 807. OSBORN, Proc. 

 Iowa Acad. Sc., I, Pt. n (1892), p. 118. BRUNER, Publ. Nebr. Acad. Sc., Ill 

 (1893), p. 28. 



Eather small in size, brownish fuscous, more or. less ferruginous. 

 Head not at all prominent, dull pallid testaceous, feebly flecked with 

 fuscous, above with widening dull fuscous stripes and a narrow fus- 

 cous postocular band; vertex gently tumid, slightly or not elevated 



