Bull. U. S. B. F. , 1912. 
Plate XXII 
Fig. 9 AND 10. — Scales of Hesperoleitcns vontstus, X 20; (9) Conn Creek, INIay 26, length 104 millimeters; (10) 
Russian River, June 17, length 95 millimeters. 
Fig. II to 13. — Scales of Hesperoleiicus >iavayrot'}isis, X 20; Navarro River, June 14; length 88 to 91 millimeters. 
