19 
20 
Fig. 14 TO 16. — Scales of Hesperolencus pm vi'pnmis^ X 20; Wheatfielcl Fork, Giialala River, J\itie 6, length 74 to 
79 millimeters. 
Fig. 17 TO 20. — Scales of Hespet olencus X 20; Drew Creek, July ii, length 84 to 87 millimeters. 
