1893] MARYLAND ACADEMY OF SCIENCES. 171 



longer than tlie first, curved and covered by a larger 

 brown spot, third cross-vein longer, bent, forming a 

 blunt angle, less broadly marked with brown, fourth 

 cross-vein nearly equal and parallel to the third, but more 

 bent, and invaded by a smaller brown spot, the basal 

 areole narrow subquadrangular, a little tinged with 

 fulvous, tips of the apical veins more or less distinctly 

 tinged with brown; posterior margin of the clavus 

 conjointly with the posterior flap fuscous; areoles of the 

 wings mostly long and narrow, the sixth apical one wide, 

 and much expanded towards the tip, the flap with a 

 basal crescentic fuscous spot connected with an emittent 

 streak which keeps on to the border. Abdomen subcon- 

 ical, polished, humped at base, acutely produced in the 

 female, but long and almost parallel-sided and posteriorly 

 depressed in the male ; the tergum sericeous pubescent, 

 marked with lines of piceous spots which spread apart 

 into four series as they run back, the sides abruptly 

 contracted behind the drum-covers; the apical segment 

 contracted, marked with three or four blackish stripes : 

 the last ventral segment short, narrow, entire, with the 

 sides oblique. 



Length to tip of abdomen 30-32 millims; greatest 

 width of pronotum 15-16 millims; expanse of wing- 

 covers 100 millims, 



A female from near the City of San Domingo was 

 kindly given to me by Dr. Greorge H. Horn, and a pair, 

 male and female, were secured for me in the vicinity of 

 Samana Bay, at the eastern end of the Island of San 

 Domingo. They were captured during the month of 

 May, 1883, in company with other, more abundant 

 species, by Mr. M. A. . Frazar. 



This beautiful species appears to me to be the one 

 figured and described by M. Palisot de Beauvois, in his 

 Insectes recenillis en Afrique et en Amerique. 1805, p. 

 132, pi, 20, fig. 5, where he confuses it with the CicadOi 



