58 REVISION OF THE CICINDELZ OF THE UNITED STATES. 
what obliquely narrowed, and very finely serrate, the sutural spine is distinct, but in the 
females known to me the suture is more or less retracted, and the tips are separately round- 
ed. Body beneath densely hairy on the sides, anus testaceous or piceous. ‘Tarsi of the 
male very slightly dilated. 
Of this group are known to me three principal forms, which might almost form distinct 
groups. 
1. Front glabrous, deeply striate; elytra with a marginal spot and apical Iunule. C. severa. 
2. Front glabrous, finely striate; elytra with broad white margin. OC. circumpicta, preetextata. 
3. Front densely pubescent; elytra with broad white margin. C. togata. 
56. C. severa, olivacea, vel viridi-nigra, subnitida, eapite thoraceque fere politis, illo glabro utrinque valde 
striato, hoc parce rugoso, conyvexo lateribus rotundato, elytris ad apicem subtilissime serrulatis, antice fortiter, 
postice obsoletius punctatis, gutta marginali ad medium lunulaque apicali antice inflexa albis; subtus viridi-zenea, 
lateribus pilosis, ano vel obscuro vel testaceo; labro acute tridentato. Long. 57—-7. 
Mas elytris cylindricis, sutura prominula, palpis pallidis articulo ultimo nigro-zeneo. 
Femina elytris planiusculis, sutura parum retracta, palpis maxillaribus basi piceis. 
La Ferté, Revue Zoologique, 1841, 41. 
Texas and New Mexico: the male, although unique, was very liberally given me by Dr. 
Schaum: the female was found at Tampico by Lieut. Haldeman. 
57. C. cireumpicta, olivacea sub-nitida, capite vix rugoso-granulato, utrinque subtilius striato, thorace con- 
vexo, lateribus valde rotundatis, vix parce rugoso, elytris fortius punctatis, ad apicem subtilissime serrulatis, mar- 
gine late albo, intus lobato, et ad medium oblique unidentato; subtus obscure viridi-nea, lateribus pube densa 
depressa vestitis, abdomine ad apicem nigro-piceo, labro tridentato. Long. -55. 
La Ferté, Revue Zoologique, 1841, 39; 193. 
Texas: the only specimen I have seen was a male, which was most kindly sent to me 
by Prof. Lacordaire. 
58. C. praetextata, fusco-conea, vel cuprea, subtiliter granulata, haud nitida, capite utrinque subtiliter striato, 
thorace dorso minus convexo, lateribus paulo retundatis, albo-pilosis, elytris punctatis ad apicem subtilissime serru- 
latis, margine lato albo intus valde lobato, ad medium ramo brevi obliquo lato emittente albis; subtus viridi-zenea 
pube densa alba vestita, pectore abdomineque medio glabris, ano testaceo; labro unidentato. Long. -55. 
Lee. Proc. Acad. Nat. Se. 7, 220. 
Mas sutura prominula, palpis pallidis articulo ultimo seneo. 
Femina sutura valde retracta, palpis maxillaribus ad basin picco-testaceis. 
Collected by Dr. Thos. H. Webb, of the Mexican Boundary Commission, and probably 
found in the valley of the Gila. 
59. C. togata, fusco-cuprea, granulata, haud nitida, capite thoraceque albo-pubescentibus, hoc lateribus rotun- 
datis, elytris valde punctatis margine latissime albo intus trilobato, ad apicem serrulatis; subtus viridi-zenea, pube 
densa alba vestita, pectore abdomineque medio glabris, ano testaceo, labro unidentato. Long. -44. 
La Ferté, Revue Zoologique, 1841, 40. 
Texas, Dr. Schaum; Tampico, Lieut. Haldeman. The female is unknown to me. 
