10 Journal New York Entomolocical Society. [Voi. xxiii. 



on each side of the eighth segment. In the female the clash of the 

 second segment differs from that of the male in not becoming 

 attenuated dorsally, but in being squarely truncated." 



For the variety thus described with the broad white lateral dashes 

 on segment three, we ]n-opose the name of latifosciata. We then 

 have Cicada pniiiiosa as described by Say, with the tergum entirely 

 black or nearly so, with the attenuated white stripe at the lateral 

 base of the third abdominal segment, being the form common from 

 Indiana, Missouri, Nebraska, Kansas, etc., of which we figure a male 

 from Chetopa, Kansas; Cicada prninosa var. latifasciata so far known 

 only from the coastal region of the eastern and southern United States, 

 with the broad stripe on segment three and abdomen beneath more 

 shining black, of which we figure a male from Cape May Co., Ncv>? 

 Jersey, and Cicada prninosa var. zvinnctnanna with the hind margins 

 of the abdominal segments more or less fulvous, the second segment 

 having the band broader than the others and a white streak generally 

 hardly discernible each side at the base of the third segment, of which 

 we figure a male from Plummer's Island, Maryland. The females of 

 these cicadas have the charactertistic markings far less distinct than 

 in the males and occasionally some are entirely absent. 



Cicada prninosa and its varieties approaches C. linnci .Smith and 

 Grossbeck in appearance more closely than any other of our species, 

 but in linnci the fore-wings are abruptly bent near the middle, whereas 

 in prninosa the curve is more regular. The genitalia are about the 

 same in both species. Their songs are not at all similar. 



Seen in series prninosa from Kansas has the costal margin of the 

 fore wings evenly curved, whereas specimens from Indiana and 

 especially var. zvinnemanna show a decided tendency to a sudden bend 

 near the central portion of the costal margin. 



Explanation of Plates. 



Plate i. 

 Cicada aiiletes Germar. 

 Cicada resonans Walker. 

 Cicada rcsh Haldcnian. 



Plate 2. 

 Cicada tuarginata Say. 

 Cicada prninosa Say. 



Cicada prninosa var. latifasciata Davis. 

 Cicada prninosa var. winncmanna Davis. 



