54 [Senate 
outer fnargin interrupted in the middle, and a black 
callous dot near the apex. Length, 0:14. Found 
chiefly on pines. No. '719, male. 
Var. a. A ferruginous dot on the apex of the scutel. 
No. 720. : 
b.. The yellow thoracic band widely interrupted. 
No. 721. 
Proteus Cuastorrera, *C. proteus. Head bright yellow, a black 
band on the anterior margin of the vertex and a broader 
one on the front; front polished, without transverse 
strie ; a callous black dot near the apex of the elytra ; 
legs yellowish-white, tarsi black. Length, 0:16; males 
slightly smaller. Abundant on the panicled dog-wood, 
(Cornus paniculata.) Closely allied to the C. atra, (Ger- 
mar,) but on examining a host of specimens, not one 
oceurs in which the legs are annulated with black or 
fuscous. No. 722, female. 
This pretty insect, though so small in size, presents an aston- 
ishing number of sub-species and varieties, so clearly and distinctly 
‘marked that at first glance they would be confidently regarded 
as well characterized species. 'The following are the more 
prominent, though by no ‘means all, of the varieties that occur : 
Sub.sp. 1. flavicollis. Thorax entirely yellow. 
Var. a. Elytra yellow. No. 723. 
b. Elytra with an oblique blackish vitta. No. 724. 
Sub-sp. cincticollis. Thorax with a black band. 
Var. a. An interrupted black band on the anterior 
margin of the thorax. No. 725. 
b. An entire black band on the anterior margin 
of the thorax. No. 726. 
c. Thoracic band crossing the disk instead of the 
anterior margin. No. 727. 
d. Band on the disk of the thorax, and scutel 
black. No. 728. 
Sub-sp. maculicollis. Thorax with one or two discoi- 
dal spots. 
Var. a. A black spot on the disk and interrupted band 
anteriorly. No. 729. 
