ClCINDELIDJE AND CARABID^ 1 9 



inwardly to about the median line and the apical lunule is repre- 

 sented only by a large rounded, posteriorly attenuated marginal 

 spot near the anterior limit of the apical obliquity and a very feeble 

 remnant near the sutural angles. 



6 In the nigroccerulea group the following Mexican species should 

 be included: 



*Cicindela townsendi n. sp. Rather stout and convex, alutaceous, 

 completely immaculate, blackish-cupreous to brighter cupreous-red, 

 the under surface dark blue and glabrous, not at all pubescent laterally; 

 labrum pale, clouded with black along the apex, the latter broadly, 

 strongly, arcuately produced and bearing a single rather strong tooth; 

 head and prothorax glabrous, the latter slightly narrower than the head, 

 a fourth to third wider than long and moderately obtrapezoidal, finely 

 sculptured, with the sulci rather shallow; elytra oblong-oval, with slightly 

 arcuate sides, about two-thirds longer than wide, together evenly and 

 obtusely rounded at apex with smooth marginal bead, the surface vir- 

 tually impunctate, except the small but abrupt foveae in the two de- 

 pressions, but strongly sericeous in lustre and with barely discoverable 

 vestiges of moderate punctures equally throughout the surface; hind 

 tarsi longer than the tibiae, slender. Length (9 ) 11.5-12.0 mm.; width 

 4.2-4.6 mm. Mexico (Sierra Madre Mts., 7300', Chihuahua), C. H. T. 

 Townsend. 



Evidently allied to viatica Chev. and nigrilabris Bates, but 

 differs in having the labrum purely unidentate, there being no 

 vestige of lateral teeth and in having the elytral sculpture uniform, 

 though very feeble, and not closer apically. The labial palpi are 

 piceous, except the last joint which is feebly claviform and with 

 green metallic lustre. 



7 It seems a correct course to announce the following member of 

 the scutellaris group as a distinct species : 



Cicindela criddlei n. sp. Form very stout, the upper surface shining 

 but with feeble to moderate alutaceous lustre, wholly brilliant red to 

 obscure green feebly suffused with red, the elytral margins broadly and 

 entirely white, the inner margin of the vitta broadly swollen medially 

 and emarginate at the middle of the usual position of the apical lunule, 

 sometimes with the margin interrupted just before the apical lunule and 

 with the anterior part reduced in width and more withdrawn from the 

 exterior edge; under surface shining metallic blue to green throughout; 

 labrum strongly tridentate at the middle in both sexes; prothorax moder- 

 ately transverse, nearly as wide as the head, with many long erect white 

 hairs at the sides; elytra with the punctures feeble and obsolescent, rather 

 distinct toward base. Length (cf 9 ) 12.0-12.5 mm.; width 5.0-5.4 mm. 

 Canada (Aweme, Manitoba), Norman Criddle. 



