COLKOI'TKKA STAHI YLI M I >.K. 509 



tliinh rl.-id with rather long hairs, which an' darker than the also >[ 

 hairs of tin- abdomen; abdomen with parallel sides ami rounded tip. 



Tin- species is remarkable for its slenderness, the luwitv of the 

 antenna-, and the stoutness of the mandibles. 



Length, 8.5' m " ; breadth, 1.5 mm . 



The species \\as <lescril)ed from other specimens than the one figured 

 It is named after the \\Y>tern explorer and botanist, I'rof. W. II. lin-wer. 



lit' Yale < 'i;lle^e. 



Florissant. Five specimens, Nos. 3863, f>800, 8259, 13<;3o and 1 Ih;!, 

 besides 1.3s! from the Princeton Collection. 



GYROPH^ENA Mannerheim. 



( ; VUOPII2ENA SAXICOLA. 

 PI. 5, Figs. 123, liM. 



f;//ni/i/i.i MI <i.riVii/,i Si-inld.. Hull. U. S. Gool. Goojjr. Surv. Terr., II, 78 (187G). 



A >in^le s|iecimeii { a species allied to G. viniila Mr. has the head 

 well rounded, with larire round eyes and a rounded lahritm. The pn>- 

 iliorax is hut vaguely defined on the stone, and is apparenth- of about 

 eijual breadth with the head, and shorter than broad. The elytra are of 

 eijiial length and breadth, each with a pair of longitudinal, straight, deli- 

 cate, raised lines. There is no sculpturing of the surface; no wings can 

 be seen, inir legs, and the indistinctly preserved abdomen is shaped a.-, in 

 G. vinula. 



length of body, l.S4 mni . 



rin \'alle\ , White River, Colorado. < 'lie specimen i \V. hent 



ll< i .MA LI TA Mannerheim. 



I h'MAI.ol \ ];| i 'ISA. 



t 



I 'I. S, I'.-. II. 



I In- head i-i tolerabl) large, produced and tapering anteriorly but \\i-ll 

 rounded at tip : eyes globular, moderately large. Thorax a little bi-oader 



than the bead, subquadrate, broadei- than long (.but this featui 



in the figure), with ^eiitl\ rounded sides and profuse! v and rather delicatelv 

 punctate >ui-face. |-'.1\ .nsidei-ablv broader than the tliorax. 



about as long as their united breadth, \\ith s.-attered slmrl hairs appareiitlv 



