88 BULLETIN 
OF THE BUREAU OF FISHERIES. 
Warner Creek and sloughs south of Warner Creek; Honey Creek; Warner Lake north of Honey 
Creek; Chewaucan River, Paisley; Chewaucan River, near mouth; XL Spring, Abert Lake; spring, 
Alkali Lake; spring, Summer Lake Post Office; Ana River; springs at source of Ana River; Silver 
Lake; Silver Creek near mouth; Bridge Creek; Silver Creek near Silvercreek Post-Office; Buck 
Creek. 
The rather extensive table of comparative measurements which is here inserted shows that while 
examples from the different lake basins may possibly show slight differences among themselves, they 
all agree in being differentiated in.a measureable way from their representatives in the neighboring 
systems. 
MEASUREMENTS OF SPECIMENS OF RUTILUS OREGONENSIS FROM ISOLATED BASINS OF THE OREGON 
LAKE SYSTEM. 
From XL Spring, Abert Lake. 
| 
120 
Tengthvotbody= -sa-- ase eeeee seas mm. .| 106 138 125 103 115 97 91 101 112 
Iength head! 2.2.25. base: jae es 28 - 26 - 285 - 285 - 28 -28 29 - 28 -29 .28 
Snout to occiput........-.-.-- a 21 aA 22 722, 22) 21 22 2215 SPH SOx 
Snout to dorsal-----..-..-.... - 56 - 56 - 58 - 58 BLY 56 58 54 55 55 
Snout to ventral.............- - 56 - 55 - 58 - 56 54 54 54 250) . 56 .54 
Depthybodyls-— ae esas eeeee - 265 -29 -29 29 +27 27 26 -29 -29 APH 
Depth caudal peduncle... ...-. ll -12 -12 -125 125 12 -12 13 13 13 
beng thi snoutseee eee =e ee - 08 - 08 - 085 -09 - 09 - 08 - 08 - 08 .09 08 
Length maxillary.........--.- - 08 - 08 - 08 - 085 - 08 - 08 . 08 - 08 09 .08 
Diameter eye-.-.........-.--- - 045 - 05 . 055 - 055 - 06 - 055 -065|; .06 - 06 - 055 
Interorbital width.....-.....-. -09 -09 . 10 - 10 09 .10 LOM | 09) .10 .09 
Heizht dorsal seees sees eee 17 +17) .18 -19 -19 -19 -18 -20 19 -19 
Heishtanal eee eee ee -14 -14] .14 -15 -15 185 -15 -16 -16 5155) 
Length pectoral............-.- -17 -17 -175 -19 -19 Sule -18 - 23 19 -20 
Length ventral..............- -15 -14} 15 - 155 -17 -155 155 -18 16 18 
Length caudal.....-.....-.--- -25 wohl: 624 -25 +25, 26 - 26 28 220) 26 
Scales lateral line. .._. 59 57 55 55 53 57 56 55 57 55 
Scales above lateral lin 12 13 13 13 14 13 12 13 13 13 
Scales below lateral line 8 7 8 7 7 7 7 8 7 7 
Scales before dorsal. ..........-. 31 29 31 30 29 32 31 28 28 31 
Dorsalirayss me. jose eeacoee en ae 8 9 8 8 8 7 8 8 8 9 
Amal irays sss ccke eect sana cece gose vocece nie | 8 8 8 8 8 7 8 8 8 8 
| 
Length ofibodysas-e set see sees mm. .| 95 104 110 101 107 140 110 106 132 120 
Mength heades ass eee eee el oeXL - 28 -27 -29 - 28 - 265 -28 -29 29 APH 
Snout to occiput...-.-...-...-..-- 21 22 22 -21 - 22 -215 21 -22 = 22 21 
Snout to dorsal. - 555 . 54 - 555 - 56 - 56_ - 58 - 58 - 57 -57 - 55 
Snout to ventral 555 55 54 -55 . 54 . 57 55 - 57 +57 ~ 545 
Depthibod yee ees eee eres ae . 25 - 28 -29 - 29 ri ~ 265 - 28 -30 a2 . 26 
Depth caudal peduncle. .........- } ell -12 -12 -115 -12 - 125 -12 -12 -125 -12 
Dengthisnoutssnc2. oso eee noee - 08 09 - 08 -09 - 08 - 08 -09 - 09 - 08 - 085 
Length maxillary..............- 08 -09 - 08 -09 075 - 08 - 08 - 085 - 08 09 
Diameterieyes sess seen - 055 - 06 +055 - 055 - 06 - 055 - 055 - 06 055 055 
Interorbital width.............- 09 -10 09 -10 - 095 -09 - 095 -10 - 095 - 085 
eight dorse] Nees eee sere -18 .19 aaly/ -18 -15 Salve . 165 .19 17 - 165 
Heightiamalessenesse eee cce aes Gulls -16 - 135 +15 1385 - 145 -14 15 2135 13 
Length pectoral.............--- -18 -20 -18 -18 -16 galy/ anly/ - 195 -19 -17 
Length ventralae 2.522022. 2-: -15 -16 -15 -15 +13 -14 -14 -17 “15 Siloo) 
Teng thicavdal ses ses. eee- -26 -25 -26 -25 - 23 ~24 24 27 ~24 +24 
Scales lateral line........-..-- 55 56 55 54 56 55 54 51 54 59 
Scales above lateral line... ... 12 13 13 14 11 12 13 12 14 13 
Scales below lateral line... .-...- 9 8 7 7 7 7 8 7 7 7 
Seales before dorsal..........-.- 30 30 28 30 30 30 29 30 30 29 
Dorsalirays. +. sosee Al eae ae 2 8 8 9 8 8 9 8 8 8 8 
Anallrays! eet. oicn been Soatee see eerie 8 8 8 8 8 8 7 8 8 8 
