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IOWA ACADEMY OP SCIENCES. 
Sub. sp. I. obtusa. Lower half of face fuscous or black. 
Var. a. Dark; a distinct oblique, light band on hemelytra; prono- 
tum, anterior half, light yellow, divided by a transverse 
brown band. 
Habitat: Iowa, New Hampshire, Massachusetts, New York, Maryland, 
District of Columbia, West Virginia, Ontario, Canada. 
Var. b. Light; same markings as above, only much lighter and less 
distinct. 
Habitat: Iowa, New York, District of Columbia. 
Var. c. Dark; hemelytra coppery; thorax without band; pronotum 
yellowish {achatina). 
Habitat: Pennsylvania. 
Sub. sp. II. lineatocollis. Lower half of face dark with a light band 
-crossing the middle, 
Var. a. Pronotum entirely dark; scutellum yellow; legs light with 
lateral dark lines. California. 
b. Pronotum, posterior half dark, anterior half sulphur yellow; 
lines on femur and tibia broad, almost confluent. Colorado. 
c. Pronotum light yellow, narrow brown band anteriorly; legs 
light, lateral line faint; dark band on clypeus reduced to 
a dot; hemelytra pale rufous, nervules brown, very distinct 
West Virginia, District of Columbia. 
d. Pronotum entirely sulphur yellow; hemelytra dark coppery; 
legs brown. Maryland, District of Columbia. 
Sub. sp. III. osborni. Face entirely light, bands on front obscure. 
Var. a. Light olive green; scutellum sulphur yellow. Colorado, 
Wisconsin, West Virginia, District of Columbia. 
b. Copper colored throughout {testacea). New York, West 
Virginia, District of Columbia, New Jersey. 
c. Black; posterior margin of vertex, anterior margin of 
pronotum, costal margin of hemelytra, and legs yellow. 
(Pini) North Carolina, District of Columbia, New York 
(Fitch). 
The following original descriptions may assist in recogniz- 
ing the corresponding sub. sp. and varieties. Var. a, under each 
sub. sp. , being its type, and of course the only one to which 
the description will entirely apply. 
C. achatina. — (Germ. Zeit. fur Ento. Vol. I , 167.) Testacea, fronte 
nigra, elytris ante apicem fuscis, macula submarginal L ante apicem nigra, 
femoribus medio fuscis. Hab. in Pennsylvania, Zimmermann. Two bis 
21 lin. lang, rothgelb Oder grau gelb, stirn und Mittlebrust, bisweilen auch 
der Hinter-theil des Bauches schwarz. Deckschilde von der mitte weg bis 
vor die Spitze Schwarzlichbraun, doch bleibt ein Fleck am Seitenrande 
hell. Die Ader des vorderrandes fuhrt vor ihrer Spitze einen schwarzen 
Fleck. 
C. lineatocollis. Stal. (Eng. Resa, Omk. jord. IV, 286 ) Caput dilute 
flavescens, verticis marginibus basali et apicali lineisque transversis 
irontis apicem versus longitrorsum impressae nigrofuscis. Thorax postice 
