38 
PLATE XVIII 
. TRACHEA DELICATA Grt. Illinois. 9. 
TRACHEA SMARAGDINA Neum. Santa Catalina Mts., Ariz. 6. 
TRACHEA SMARAGDINA Neum. Redington, Ariz. 9. 
TRACHEA MARINA Grt. San Diego, Calif. ¢. 
TRACHEA MARINA Grt. San Diego, Calif. ¢. 
TRACHEA VIRIDIMUSCA Sm. Oconee, Ill. ¢. 
TRACHEA MISELOIDES Gn. Oconee, Ill. ¢. 
TRACHEA MISELOIDES Gn. Decatur, Ill. Q. 
TRACHEA INORDINATA Morr. N. Hamp. 6. 
TRACHEA MONTANA Sm. Denver, Colo. ¢. 
TRACHEA MONTANA Sm. Denver, Colo. ¢. 
A better marked variety of the preceding. 
2 
a 
Lan! 
FSO RN ANAYWD 
a] 
15. TRACHEA CINEFACTA Grt. 
J 
Fig. 12 isa ¢@ from Red Deer River, Alta.; Figs. 13 and 14 a pair from 
Duncans, Vance. Is.; Figs. 15 and 16 a pair from San Diego, Calif., and Figs. 17 
and 18 a pair from Reno, Nevada. Fig. 16 is closest to the type in the Hy. 
Edwards Coll. 
19. TRACHEA CENTRALIS Sm. Glenwood Spgs., Colo. @. 
20. TRACHEA CENTRALIS Sm. Glenwood Spgs., Colo. 9. 
We are doubtful as to the identity of these specimens; they are close 
to centralis from the Sierra Nevada Mts., Calif., but there are certain points of 
difference which may prove that the Colorado species is either distinct or a 
good race when we secure more material. 
