1895.] Leuciscus Balteatus, A Study in Variation. 25 
Fig. 3. Three curves showing the variation: 
a, of 234 specimens from 1000 to 2000 feet elevation, 
b (broken line), 388 specimens from 2000 to 3000 
feet elevation. 
c, 189 specimens from 1 to 1000 feet elevation. 
Fig. 4. Variation of 99 specimens from Caldwell, 2372 feet. 
Fig. 5. Variation of 23 specimens from La Grande, 2786 feet. 
Fig. 6. Variation of 70 specimens from Little Spokane, 1850 
feet. 
Fig. 7. Variation of 79 specimens from Mission, 1 foot. 
Fig. 8. Variation of 154 specimens from Payette River, 2150 
feet. 
Fig. 9. Variation of 26 specimens from Pendleton, 1070 feet. 
Fig. 10. Variation of 16 specimens from Clearwater, 750 feet. 
Fig. 11. Variation of 14 specimens from Brown’s Gulch, 5344 
feet. 
Fig. 12. Variation of 67 specimens from Small Creek, 2100 feet. 
Fig. 13. Variation of 47 specimens from Lake Washington, 1 
foot. 
Fig. 14. Variation of 22 specimens from Umatilla, 300 feet. 
Fig. 15. Variation of 21 specimens from Colville, 1200 feet. 
Fig. 16. Variation of 18 specimens from Golden, 2550 feet. 
Fig. 17. Variation of 13 specimens from Skookumchuck, 204 
feet. 
Fig. 18. Variation of 11 specimens from Hangmans Creek, 
1900 feet. 
Fig. 19. Variation of 12 specimens from Flathead Lake, 3100 
feet. i 
Fig. 20. Leuciscus balteatus from Mission, the specimen now in 
the British Museum. ; 
Fig. 21. Leuciscus gilli from Brown’s Gulch. 
Fig. 22. Leuciscus hydrophloz. 
The last two cuts are reproduced by permission of Hon. 
Marshall McDonald, U. S. Commissioner of Fish and Fisheries. 
