Bull. U. vS. B. F., 1912. 
Plate XXXII. 
Fig. I. — Placopharytix duquesnii. Cherokee, Iowa (vS. E. Meek). 
Fig. 2. — Acanthorhodeiis tsenianalis. Shanghai (Swinhoe). The wavy apical radii are not well shown. 
Fig. 3.— Algansea sallsei. Guanajuato. Mexico (A. Duges). 
Fig. 4. — Chela paralaubnca. British Museum. 
Fig. 5.— Chondrostoma ineigii. San Domingo de Silos, Burgos, Spain (C.onzales). 
Fig. 6. — Nocomis kentuckiensis. Stone River, Tennessee. 
