Dec, 1917.] Olsen : Notes on Dr.eculacephala inscripta. 



215 



Okanagana uncinata and Okanagana pallidula on the accompanying 

 .plate. O. mercedita was figured, Journal N. Y. Ento. Soc, Vol. 

 XXIII, pi. 3, and through the kindness of Mr. Edw. P. Van Duzee I 

 am now able to figure the type of his uncinata. 



Explanation of Plate XIII. 1 



Fig. I. Tibicen inauditus Davis. Type. 



Fig. 2. Tibicen duryi Davis. Type. 



Fig. 3. Tibicen knighti Davis. Type. 



Fig. 4. Tibicen pallida Distant. 



Fig. 5. Tibicen viridifascia Walker {reperta Uhler). 



Fig. 6. Tibicen viridifascia Walker var. bequaerti Davis. 



Fig. 7. Okanagana uncinata Van Duzee. Type. 



Fig. 8. Okanagana pallidula Davis. Type. 



1 The drawings for this paper were made by Mr. Chris E. Olsen, and the 

 photographs, from which the plate was made, by Mr. H. H. Cleaves and the 

 author. 



