LIST OF ILLUSTRATIONS. 
Plate 
No. Page. 
1. Goregonus hoyi; Coregonus osmcriformis ; Coregonm prognathus; outline of viewed from above. . 1 
2. Notro 2 ns chihuahua; Sotropis aztccus; Gambusia infans; Evan-a cigenmanni; Chirostonia jordani 55 
3. The Atlantic Salmon (Sahno salar) KIO 
4. The Pacific Salmon (Oncor/jj/nc/tKS c/ioMic/ia) lijO 
5. Eelative Longitudinal and Altitudinal Positions of the Points whore Collections were made (in explorations in 
AV estern Canada) 102 
0. Agosiafalcata; Coregonus coulteri; Percopsis guttatus; Columbia transmontayia 107 
7. Locality Curves of the Anal Pin of Leuciscus lateralis and baltcatus in the Praser Basin 130 
8. Locality Curves of the Anal Pin of Leuciscus lateralis and hydrophlox in the Columbia Basin 130 
fl. Sigsbee’s Gravitating Trap for obtaining Animal Porms from Intermediate Deptiis ; Improved Surface Tow Net . . 141 
10. The Chun Petersen Intermediate Tow Net 146 
11. The Tanner Intermediate Tow Net, Pirst Pattern 146 
12. The Tanner Intermediate Tow Net, Improved Pattern : (1) Beady for Lowering. (2) Beady for Hoisting 148 
13. Map showing the Natural Limits of Di.stribntion of Salmon in the Columbia River Basin 153 
14. Chart of thelJppor Columbia Eiver, showing Location of Pish AVheels and Salmon Canneries operated in 1892 108 
15. Chart of the Lower Columbia River, showing theLocation of Salmon Ai>paratus, Pishing Grounds, and Canneries 
in 1892 168 
16. Twin Palls, Snake River 172 
17. Shoshone Palls, Snake River 172 
18. Lower Kettle Palls, Columbia Eiver 182 
19. Canon of Spokane River, three miles below Spokane, APash 184 
20. Cottus perplexus ; Coitus leiopomus 202 
21. Gatostomus pocatello; Agosia Umatilla; Coregonus williamsoni, breeding male 204 
22. Spokane Palls, Spokane, APash., part of the Upper Falls 206 
23. Spokane Palls, Spokane, APash., from Monroe street Bridge 206 
24. Upper Spokane Falls, Sp(deano, APash., from Post street Bridge 206 
25. (1) Myers Palls, Colville Eiver. (2) Lower Kettle Palls, Columbia Eiver 206 
PlGUKES IN Te.XT: 
Albany Falls, Pond d’Orcille River 180 
Kettle Palls, Upper Columbia Eiver 182 
V 
