FISH FAUNA OF LAKES OF SOUTHEASTERN OREGON. 95 
ComMPARISON OF CERTAIN DiIsTINCTIVE CHARACTERS OF RuTILUS THALASSINUS, R. OREGONENSIS, 
R. cOLUMBIANUS, AND R. BicoLor—Continued. 
Snout to occiput. 
_ 
Species. 0.18. | 0.19. 0.20. | 0. 21. | 0. 22. | 0. 23. | 0. 24. | 0. 25. | 0. 27. | 0.29. 
| 
| E S 
Ue EWES Res See noe: SO eSmonte “65 ae e a Ss DeeeEeey Bee Sac | sees | 1 
R. oregonensis- - tac 
R. columbianus. 
TRY ah (Pe) Gye ee Re SR ee erioes Gonener| peeeree 
— — - oe 
Species. 0. 52. | 0. 53. | 0. 54 D 55.) 0. 56. | 0. 57. 0, 58. | 0. 59. | 0. 60. 
| = 
LA DEG re, leecaetne Be 82 28 Ie a ee Peer ha hae | eae! (een 11 15 18 11 | 1 
R. oregonensis. - - 55 47 42 fi 1 
R. columbianus...........- : 8 9 15 6 5 
RUA DICOLOU Nase eee ee ee j 9 Bill se Sect dd eee Be 
| 
Height dorsal. 
1 1 | 7 Saat ta 
Species. | 0.15. | 0.17. | 0.18. | 0.19. | 0. 20. | 0. 21. | 0. 22. | 0. 23. | 0. 24. | 0. 25. | 0. 26. 
LeeRMURGS UN Orta cece ee een ae en aoa mises fae ae eine oe 2 1 5 | 
R. oregonensis. . . 1 Il} 31] 55] 64 
Taye) UTENCt EG STE Lae Re = SESS Se eG oe OE ee eee) bee ce el eee 3 6 15 
R. bicolor | 5 6 9 
Species. 0.13. 0.14. 0. 15. 0. 16. 0.17. 0.18. 0.19. 0. 20. 
at 1 
33 72 
1 12 
7 9 
Species. 0.13. 0. 14. 0. 15. 0. 16. 0.17. 0.18. 0.19. 0. 20. 
| 
IS ARTUR Sed bea Beaton oc aia noc se eoSa tose io® Sen] SES SEScees peeeaas ane 3 13 8 21 10 4 
R. oregonensis.. 15 53 67 | 31 16 Ly Baa 
. R. columbianus- 2 3 7 9 6 6 1 
POMOC Gy ea leeSe Rane SRS Fs Re Ee eee) Oe noe 5 9 4 1 De he eaecen aa -eee te 
Length caudal. 
< 
Species. 0. 21. | 0. 22. | 0. 23. 0 24. | 0. 25. | 0. 26. be 27. | 0. 28. | 0:29. 0.30. | 0.31. | 0.32. | 0.33. lo. 34. 
PS ss Se eal a aes 
1 a 25 47 40) 21 
Leen Lise bea ae Bemee a (ee 3) 12 
6 2 z 
