176 BULLETIN OF THE BUREAU OF FISHERIES. 
Dorsat AND ANAL Rays or RutTmUs SYMMETRICUS FROM VARIOUS BASINS. 
, 8 dorsal | 9 dorsal | 6 anal 7 anal 8 anal 9 anal 
Locality. rays. rays rays. rays. rays. Tays. 
Speci- Speci- Speci- Speci- 
mens. mens. mens. MENS 
INSIVATTOURIVED2 acc sean e scenes ees aoe Oa eee elena ete 72 3 68 1 
Gualala River - 80 70 9), EE Sees 
Russian Rivers. - =e ee 22 5 (66) oes 
INE pa Riven sess ett once omen 2 te ma ae ee ete = raat reer | erate ero oe  |ene | e 95 2 
Pita’ Cree Ke os 2 esate ces ale oiereimi= oh msm tm me ee eet | CD eee 11 3 
IBEQTy OSSa, Cree kia Ae tone tos eee a al ee Oe ee eee Gi AP PoeoeRoee|becsbasoso 18)|\Ssoeee ees 
Ieee soa sso soe deonceaoe Ses test oocscr es oese osce eases 19 1 23)\| ce eee 
Kelsey Creole. cn) Sent ss aCe ees inci ae oe ees eem eee sae 12 3 19)!| Sao eer 
IME start OS BN Cree aaa re we ee 18 Dl eeeeeees eases 
Mule (River: = 222 eee aan cn oes oes eee ee eee 2 1 15)| See 
NresnOURivers see eeece es een eee a eee ees 6 3 A eee eee 
Merced WRU ye Tem arene ss ee ee oe 16 il 65) Seen 
Atrroy Ouklond OIC ree Kes = a= me ae see ae ne ee es | eer if 251) eee eeeee 
Coy oitas Cree eee ete ees he Wy) BS} Ease ssaccs| besos se DAS See ee ania 
San Prancisquito Creeks se oo. <n ae mm ae we if)) BP Wee ceseced|bessagess 32 1 
MEASUREMENTS OF RUTILUS SYMMETRICUS. 
Russian River near Healdsburg, Cal. 
= 
Tength: of bod y;2s—-45- eaeeeeeees mm . 62 | 72 73 75 75 77 78 79 79 86 
Length head... -27 ST | ese28. 228|| 28) eG 32 265 26 27 
Depth body... - 727, 26 25 26 SP Sal ee aed -26 - 265 =27, 25 
Snoutito/dorsalis-3. > eee eee =e 56 -58 57 -57 -08 | .58 | .58 56 57 .57 
Snoutito ventral es en eee ae 51 52 .53 -52 525 -52 | 51 75 52 52 
Depth caudal peduncle... ----..-- -10 Sail - 095 ll -10 SLO eeLOn, (95 -10 - 105 
Length caudal peduncle......-...- - 205 -19 -195 -20 20 suk gal aly 19 -18 
Length snout. . eases - 08 - 08 - 08 209/09 -08 | .09 - 08 - 08 - 075 
Length maxilla - 08 - 08 - 08 -08} .09 | .08 | .08 - 08 08 08 
Diameter eye. .........- - 06 - 06 - 06 06) .06 | .06 - 06 - 06 - 06 - 055 
Interorbital width. .......----..-- - 09 09 - 09 09 alk). jf a) -10 09 09 . 09 
Depthshes dst ere eee 19 19 175 +19) .19 -18 19 18 al 18 
Length base of dorsal... .-.-.-.--- 15 14 - 135 -13| 145 -16 -14 -135 - 135 14 
Hele ht dorsal’ 2 Seasons eae -20 -19 -20 -21 | 20 -19 - 185 -19 20 9) 
Length base of anal.....--.---- Sul ail - 095 -10 pall pall -ll ~All ayllit oilil, 
Height anal ses ee oe, eeeeree 19 mal -18 20 18 . 165 -18 -16 -16 oli 
Length pectoral.......-.----- 20 opis} -20 +25 out) -18 18 19 19 -20 
Tene thi vontrallenemslssases 15 ial ets Gig feared Aare a 115 
Peng phicanidalaeasenseseeeee 27 20 -28 27 | 28 -27 | 7 -25 -27 . 26 
Dorsalirays ose sen een Oe aes 10 9 9 9 | 9 9 | 9 9 9 | 9 
Analirays: cess sce c= 8 8 8 8 | 8 8 | 8 8) 8 8 
Scales in lateral line....-....-- aap 59 59 53 55 58 51 51 54 55 57 
Scales above lateral line...-....-.-.----.-- 12 i 12 12 13 12 13 12 13 12 
| 
Napa River, Calistoga, Cal. 
Mengthiof body2s-------ces-s2-e- -4 mm... 60 61 73 7 76 77 7 78 86 94 
Length head 222 o 22. ys2ee ee = o2Tf) 5297 | 26 ~26 . 26 -26| .26 - 255 -28 25 
Depthibodys- Sone ssscms ss se-sees 328:)>) 2267 ||) 7326 27 -28 -28 -29 -26 -28 26 
Snout to dorsal........----.--.--- S68) ei575) ero t - 585 - 56 56 58 57 58 57 
Snout to ventral_.--....-.------.- . 52 aeBy | auil ~52 - 50 -52 - 52 +02 53 52 
Depth caudal peduncle... -..-..-.-- pal! .10 -10 -10 retlal -10 -10 -10 - 095 . 095 
Length caudal pedunele- ---..-. -19 -175 -18 ale oils 17 -175 . 175 sili; .175 
eng thisnouts eae e-s--e oe -08 | .08 | .09 -08 - 08 - 08 -08 - 085 -09 08 
Length maxillary........-..--.. -08 | .08 08 -08 08 - 08 08 075 08 07 
Diameter eye.......-.--.------- SOM |e 07 - 065 - 06 - 06 - 06 - 065 - 06 - 06 055 
Interorbital width. ............. 209} 09 08 , 08 09 09 09 - 085 -09 - 08 
Depthiheadeeses sees ee eeee 19 -19 oil 18 19 18 -18 18 -20 -18 
Length base of dorsal... ----- 15 - 145 - 135 .14 15 .14 -14 -14 -14 .14 
Heightidorsaless eee sae ene 320) eet 19 -20 -19 -19 20 20 -20 -18 
Length base of anal....-...--..- 1) 11 a0 ll 12 ml) -ll 115 -10 ll 
Height analeas ae ee yee sea 19 19 16 18 17 wLe -18 -16 oily -16 
Length pectoral. 19 21 20 19 aily 19 19 17 17 -18 
Length ventral 14 715 14 .14 .14 .14 -15 -13 -15 .14 
Length caudal. - 28 -28 25 27 27 .24 29 - 26 -28 -25 
Dorsaliray see ee sees eee eee 9 9 9 9 9 9 9 9 9 9 
Anal rays...... 8 8 8 8 8 8 8 8 8 8 
Scales in lateral 56 57 56 56 56 59 53 55 55 56 
Scales above lateral line 13 13 14 14 13 14 13 13 13 13 
