Scudder.] 264 [December 16, 



Length of prothorax, 8 mm.; greatest breadth of same, 6 mm. 

 Length of elytra, 42 mm.; greatest breadth of same, 19 mm. Length 

 of hind femora, 18.25 mm.; length of ovipositor, 6.75 mm.; breadth 

 of same, 3.25 mm. Length of wings, 47 mm. 1 ?, Peruvian 

 Maranon. 



12. Meroncidius transvittatus nov. sp. 



Allied to M. inno'atus Walk. Obscure dark brown; head a little 

 duskier above, without vittae, smooth ; inner borders of antennal 

 sockets high, rounded, compressed ; tubercle of vertex slight, slender, 

 produced, sulcate superiorly, the ocelli slightly raised. Prothorax 

 moderately and uniformly rugose, with two straight, transverse, pretty 

 deeply impressed lines and between them a nearly equally impressed 

 mediodorsal line; posterior edge slightly thickened, smooth; disc 

 blackish above in advance of the anterior impressed line and behind 

 nearly to the posterior impressed line, forming a pair of character- 

 istic transverse blotches. Prosternum bimucronate. Tegmina and 

 wings unicolorous, the latter fuliginous. Hind femora broad, stout, 

 the apical three-fifths of the lower edge with long moderately stout 

 spines, at the tips slightly curving and black; spines of tibias growing 

 duskier toward their tips. Ovipositor darkest at base, broad, taper- 

 ing pretty regularly, sharply pointed, the upper edge straight, mi- 

 nutely serratulate on the apical half, the lower edge very slightly 

 curved, smooth. 



Length of body, 40 mm.; of tegmina, 44 mm.; of hind tibias, 24 

 mm.; of ovipositor, 19 mm.; of antennas, 69 mm. 1 ?, Eastern 

 slope of the Peruvian Andes. 



13. Leptotettix tessellata nov. sp. 



Body, legs, tegmina and ovipositor brownish-yellow (after immer- 

 sion in alcohol), unicolorous excepting an indistinct rather narrow 

 mediodorsal stripe on the prothorax. Head smooth; tubercle of 

 vertex small, triangular, superiorly trituberculate with a deep hol- 

 low between the prominences. Prothorax sparsely and irregularly 

 rugulose, with two straight, transverse, rather deeply impressed lines 

 and a mediodorsal line slightly elevated, excepting on either side of 

 the posterior transverse line where it is distinctly impressed ; poste- 

 rior portion of the pronotum somewhat sellate, posterior border 

 smooth, very sparsely ciliate. Wings opaque, the nervures dusky and 

 all the transverse veins broadly bordered with blackish fuliginous, 

 growing fainter away from the costal border and fading away on either 

 side of the cross veins, giving the whole wing a tessellated appear- 



