NO. 2179. VARIATION IN GARTER SNAKES— THOMPSON. 



863 



Tillamook County, Oregon 



Scale formulas 17-1&-17-15 

 17-15 



Museum 

 Cal. Ac. Sei 



Locality. 



.do... 

 .do... 

 -do... 

 .do... 

 .do... 

 .do... 



Scale rows. 



29 27.52 50 



26 37 56 60 



56'26 26 65 63 



m\ ].- 



(?)38 43 



87 85 



90 87 

 93 94 

 101 100 

 120 120 



Supral. 



7 



7 



6V+VI7 



7 

 7 



Infral. 



10 VIII 9 VIII 

 III 



8 



This set has the normal scheme for the northern limits; ground 

 brown; spots absent or small; median stripe orange or yellowish 

 green. The largest (No. 29694) measures 496 mm. 



Chehalis County. Washington. 



Scale formulas 17-19-17-15 

 17-15 



Museum 

 Cal. Ac. Sci. 



29930 

 29932 



Locality. 



Melbourne . 



do... 



....do... 



....do... 



....do... 



Montesano. 



Melbourne. 



do 



....do 



do 



.do. 



24103 Montesano. 9 148 



(?)30 27 53 53 



63 20 22 58 57 



36,51 54 



30 30.55 55 

 61 

 (?) 



(?) 



23 24 

 27 26 



41 31 



47 

 20 13 



25 23 

 23 23 



63 



66 63 



56 55 



41 31 



48 



75 77 



70 76 



56 52 



26 28 69 70 115 110 



-in 125 

 122 

 121 122 

 -III 



Supral. 



7 



7 



7 

 7 



76IIII+IV 



911 8 



7 



9 VII 

 9 VII 

 9 VII 



9 VII 

 VII+VIII 



7 8, 7III+IV 



The color pattern of these northern specimens is generally dull, 

 not pronounced; ground olive grey; dorsal and lateral spots small 

 and faint ; median stripe barely a shade paler than the ground color, 

 in others sharply defined. 



