March, 1921.] DaVIS : RECORDS OF NORTH AMERICAN CiCADAS. 5 



from a light brown with darker marks, particularly on the head and 

 mesonotum, to very pale, almost unicolorous individuals from Utah. 

 The following belong to the variety: Palomas, Arizona, August 8, 

 1917, two males (Dr. H. H. Knight) ; Yuma, Arizona, July 5, 1918, 

 male and female (A. M. Gaudin) ; Yuma, California, August, female 

 (Prof. H. F. Wickham) ; Riverside Co., California, female (E. R. 

 Leach) ; Needles, California, August 3-4, 1919, eight males (Rehn 

 and Hebard) ; Washington Co., Utah, male and "Utah," male, both 

 without date. In the Academy Natural Sciences. Philadelphia, there 

 is a female, collected at light, Yuma, Arizona, July 28, 1907 (Rehn 

 and Hebard). 



In Howard's Insect Book, plate 28, figure 13. a female Tibicen 

 apache is figured under the name of Cicada vitripennis. 



Tibicen transversa (Walker). PI. II, fig. i. 



This species was described from Vera Cruz, Mexico, by Francis 

 Walker in Insecta Saundersiana. 1858, and was later figured by Mr. 

 Distant in Biologia Centrali-Americana, Homoptera, plate 2, figure 

 I. In this figure the first and second transverse veins of the fore 

 wing are not as clouded as in the two specimens. I have examined, 

 or as called for by Walker, who says: ''Fore wings with the first 

 and second transverse veins clouded with brown." Mr. Distant, how- 

 ever, in the text says : '' Opercula long, triangular, reaching the base 

 of the fourth abdominal segment. Apices of the opercula obtuse ; 

 tegmina spotted with fuscous near the apex." Uhler, in the Trans- 

 actions, Maryland Academy of Science, i, p. 155, 1892, states of 

 Cicada transversa : " The type came from Mexico. I have examined 

 a specimen from Texas." In the list of Coleoptera, Lepidoptera, 

 Diptera and Hemiptera collected in Arizona by the Entomological 

 Expeditions of the University of Kansas in 1902 and 1903, Kansas 

 University Science Bulletin, volume 2, number 12, May, 1904, Prof. 

 F. H. Snow records Cicada tratisversa from two localities in south- 

 western Arizona, collected in 1903. We have examined some of 

 these specimens and they are what is described in this paper as 

 Tibicen apache. 



The following specimens of transversa have been examined: 

 Padre Island, Texas. August 23. 191 5, male. Collection Univer- 

 sity of Michigan, and examined through the courtesy of Prof. F. M. 

 Gaige. This specimen is figured. 



