28 FSYCHE. [March ,900. 



inaer face with the usual black bands obsolete. . . Hyai.ixa group. 



Hyaliua 11. sp. 

 b". General color isabelline. Wings witLi a definite fuscous band or at least 

 with plain indications of such a band in tiie infuscated nerves of the region 

 usually occupied by the band. Pronotuni with a definite stripe extending along 

 the sides of the disk or at least with the edges lighter than the middle. 



Texana group. 

 c'. Prozone of the pronotum bilobate when seen from the side. Median 

 carina a raised line on the metazone. 



d^. Process of the metazone acutangulate. Metazone twice as long 

 as the prozone. Fuscous band of the wings broad. Posterior tibiae 

 dull orange. ........ Texa7ia Biun. 



d'-. Process of the metazone obtusangulate. Metazone not moie 

 than one anil three quarter times as long as the prozone. Posterior 

 tibiae obscure greenish. 



e^. Smaller, cJ 15 mm., 9 22 mm. long. Crest of the prozone dixided 

 into dentiform lobes. ...... Rebellis Sauss. 



e ^. Larger, $ 19--3 mm., 9 27-30 mm. long. Crest of the pro- 

 zone divided into rounded lobes. 

 f^. Posterior lobe of the crest of the prozone plainly' not so high as 

 it is long. Posterior femora very distinctly banded on the outer 

 face, lower sulcus light colored with two black bands. 



Albolineata Biun. 

 f'^. Posterior lobe of the crest of the prozone as high as it is long. 

 Posterior femora indistinctly banded on the outside, lower sulcus 

 black with two light bands. .... Cristata n. sp. 



c". Prozone of the pronotum not bilobate when seen froin the side, and 

 barelv intersected by the sulcus and therefore straight and barely perceptibly 

 notched Median carina cristate on the metazone and nearly as high as on 

 the prozone. ........ Porrecta n. sp. 



a~. Lateral lobes with no dentation on the posterior part of the lower border, 

 or if there is a bhmt tooth present, the fuscous band is weak or interrupted and 

 the pronotum has no definite stripe along the lateral edges of the disk nor is the 

 middle darker than the lateral borders. . . . Maritima group. 



b '. Area of the cubital forks of the tegmina occupied by more than one row 

 of irregular cells. 



c'. Wings with the median and cubital areas about ecjual. Larger, $ 26 

 mm., 9 34 mm. long. North American. . . Marit/'ma Hari'. 



c'-. Wings with the median and cubital areas very unequal. Smaller, ^ 

 22 mm., 9 28 mm. long. Chilean . . Ochraceipeiniis Blanch. 



