46 REVISION OF THE CICINDELA OF THE UNITED STATES. 
Variat maculis elytrorum late confluentibus, ita ut vitta lata submarginalis efformatur ramo antico obliquo, al- 
tero ad medium sinuato, loboque anteapicali rotundato preedita. Loe. cit. tab. 14, fig. 12. 
Platte and Arkansas River on muddy plains. Nearly allied to the preceding, from 
which the more strongly punctured and more parallel elytra, and the complete white 
markings distinguish it. ‘The trochanters are usually dark testaceous. 
31. C. cyanella, gracilis, obscure cyanea, sericea, capite utrinque striato, thorace latitudine fere longiore, la- 
teribus subrotundatis albo-pilosis, postice subangustato, elytris fuscis pone humeros sensim latioribus, fortius cya- 
neo-punctatis, lunula humerali curvata, apicali antice inflexa, guttaque ad medium brevi submarginali intus prominula 
albis; subtus ad latera albo-pilosa, tibiis medio obsolete testaceis; labro albo brevi subtridentato, palpis (maris) pal- 
lidis articulo ultimo nigro, maxillaribus basi piceis. Long. -36. 
One specimen collected at the Yellowstone River, Upper Missouri, by Dr. Hayden. 
Related to the two preceding, but distinguished by its smaller size, and more slender form. 
From C. cinctipennis it differs in having the elytra with the form and markings of C. 
pusilla, and from the latter by the deep and large punctures. The maxillary palpi are 
brownish at the base, but this may be an individual variation: the anus and trochanters 
are testaceous. 
GROUP XI. 
Maritime species having broad depressed white elytra, which are angulated laterally in 
the female: the suture and oblique lines are dark metallic green. The thorax of the fe 
male is dilated posteriorly: the front is glabrous, finely striate; in our species the right 
mandible of the male is inferiorly dilated into an obtuse tooth near the tip, but in the South 
American C. nivea, this is not observed. The palpi are pale with dark tips. The body 
beneath is densely clothed with white hair, only the middle of the pectus and abdomen is 
glabrous. Legs very long; first joint of anterior tarsi of males hardly dilated, 3rd joint 
very perceptibly oblique; claws larger than usual. The tips of the elytra are obliquely 
narrowed, and separately rounded in the female, but in the male they are con} ointly rounded. 
The change in pattern of the elytral markings is owing to the presence of a basal spot; the 
ordinary markings are broad, and the humeral lunule is prolonged along the suture till 
it reaches the much deflexed and somewhat tortuous medial band. 
82. ©. dorsalis, capite thoraceque olivaceo-eneis, subtiliter rugosis, illo glabro fronte vage bisulcata utrinque 
striolata, thorace albo-pubescente, latitudine breviore lateribus late rotundatis, elytris punctatis ad apicem serrula- 
tis, albidis, sutura lineisque tribus viridi-eeneis (anteriore semper cum sutura confluente;) subtus zenea dense albo- 
pubescens, pectore medio abdomineque glabris, hoc purpurascente ano testaceo: labro amplo albo unidentato, palpis 
pallidis apice nigro-zeneis. Long. -55—-6. 
Mas mandibulo dextro subtus longe dentato; thorace postice yix ampliato; elytris lateribus late rotundatis. 
Femina thorace postice ampliato, angulis productis; elytris pone humeros distincte angulatis, margine paulo ex- 
planato. 
