190 PROCEEDINGS OF THE ACADEMY OF [June, 



in female. Cerci very long and slender, very smooth, 

 tapering. Caudal femora dilated; caudal tibiae slender, sub- 

 compressed, very finely serrulate on dorsal margins, with three pair 

 of distal spurs, the dorso- and ventro-internal subequal, the medio- 

 internal nearly twice their length and equal to about two-fifths the 

 length of the metatarsus; caudal metatarsus very elongate, slender, 

 equal to over half the length of the caudal tibia, dorsal margins 

 supplied with very delicate chaetiform spines, second joint minute, 

 "bird joint very small. 



Distribution in North America. — Cuba, Vera Cruz, Lower Cali- 

 fornia and Mexico. 



Glaphyropus americanus (Saussure). 



1874. Cycloptilum americanum Saussure, Miss. Sci. Mex., Rech. Zool., 



VI, p. 426, pi. 8, figs. 41, 42. [Cuba.] 

 1874. Cycloptilum poeyi Saussure, ibid., explanat. pi. 8, figs. 41, 42. (Plate 



name only.) 

 1888. C[ycloptilum] americanum Bolivar, Mem. Soc. Zool. France, I, p. 157. 



[Cuba.] 

 1891. Cycloplilus americanus Gundlach, Entom. Cuban. II, p. 370. [Cuba.] 

 1909. Cycloptilum americanum Rehn, Second Rept. Cent. Exp. Sta., Cuba, 



p. 221. [Cuba.] 



Types: cf and 9 ; Cuba. (Poey and Gundlach.) [Saussure 

 Collection.] 



The following description is based upon a female from San Rafael, 

 Vera Cruz, Mexico. (Townsend.) [Hebard Collection.] 



Size small; form subdepressed; surface very smooth. 22 Head 

 f>void, subdepressed, but convex dorsad; interantennal protuberance 

 separated from the vertex by a well-marked transverse interantennal 





ill l 



; 



K«ri-'ntlKa»«>^<^^ ri|1 y | . | 



*- -^ijj i V" ...O w O.'-j i 



Fig. 1. — Glaphyropus americanus. Internal face of caudal metatarsus and in- 

 ternal tibial spurs. (Greatly magnified.) 



sulcus. Maxillary palpi greatly elongate, distal joint elongate 

 tubiform, distal margin very obliquely truncate. Pronotum trans- 

 versely strongly arcuate, caudal width subequal to the length, 

 lateral outlines of disk gently arcuate, expanding little caudad; 



22 Scales completely abraded from the only specimen seen by us. 



