430 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



vol. 48. 



referable to Thamno'phis ordinoidis elegans (Baird and Girard) as 

 defined by Ruthven (1908). The specimens have been grouped 

 into three series and their more pronounced variations are here 

 tabulated. 



Locality. 



Sex. 



.Pre- 

 oculars. 



Post- 

 oculars. 



Temporals. 



Supra- 

 labials. 



Infralabials. 



1-1 



1-2 



2-2 



2-3 



3-3 



3-4 



/1+2 

 U+2 



/1+2 

 \l+3 



ri+3 



U+3 



ri+3 



U+4 



8-8 



8-9 



9-9 



9-10 



10-10 



10-11 



11-11 



Tahoe Series.— Tahoe 

 City, vicinity of 

 Tallac, near Fallen 

 Leaf Lake and 

 Glen Alpine, Cali- 

 fornia 



Males... 

 Females 



Males... 

 Females 



Males . . . 

 Females 



[Males... 

 \Females 



18 

 8 



1 

 2 



2 

 10 



3 



"i 



i 

 i 



2 

 1 



18 



7 



2 

 3 



2 



8 



1 

 1 



15 

 6 



1 



2 



1 

 6 



1 

 2 



1 

 1 



3 



4 

 1 



1 



17 



7 



2 

 3 



2 

 10 



4 

 1 



"i 



2 

 1 



17 

 6 



2 

 2 



2 

 8 



2 

 2 





Carson Series. — Car- 

 son, Wadsworth, 

 Pyramid Lake 

 Indian Agency, 

 and Winnemucca 



Palisade Series.— 

 Pine Creek, near 

 Palisade, Eureka 

 County , and Deeth, 

 Elko County, Ne- 

 vada 

















1 



1 

 1 

















2 









2 





















Total, 47 speci- 



21 

 20 



3 



i 



2 



2 

 3 



22 

 18 



1 



1 



17 



14 



2 

 6 



5 



2 



1 



21 



20 



4 

 1 



"i 



2 

 1 



21 



16 



2 

 4 



1 





Sex. 



Dorsal scales. 



Ventrals. 



Subcau- 

 dals. 



Total length. 



Tail length. 



Locality. 





t— 



»o 





1 



!>. 

































i-< 



i-i 





1— 1 



i-l 



n 





a 



ft 





a 



n 





d 



Fl 





a 









OS 



t-- 



t^ 



1—1 



OS 



M 



CD 







n 



CD 



3 



ri 



CD 



s 



ri 



CD 



3 







i-~ 



i— 1 

 1 



i 



O 



i-H 



<=? 



i-l 

 1 



a 



SjO 

 03 

 M 



a 



£ 



03 



| 



a 





a 



a 



to 

 03 



.§ 







1 



CM 

 1 



T-l 

 1 



T— 1 

 1 



CM 

 1 



<M 

 1 



.s 



CO 



> 



X 

 C3 



3 



CD 

 > 



C3 



.a 



% 



03 



.a 



CD 

 |> 



03 







05 



T— 1 



Oi 



1—1 



CM 



CM 



CM 



CO 

 <M 



s 



< 



a 



§ 



< 



s 



a 



< 



S 



a 



< 



2 



Tahoe Series.— 









































Tahoe Citv, 









































vicinityofTal- 

 lac, near Fal- 



Males . . . 



3 



12 







5 







1 



161 



j 121 



\169.3 



}l77 



76 



I U4 

 \84.2 



J95 



224 



1409. 8 J 652 



52 



j 114 

 \103. 8 



}l68 



len Leaf Lake 

 and Glen Al- 



Females 



1 



5 



... 



2 



1 







165 



f 19 

 \168. 1 



}l77 



78 



( 13 

 181.3 



}86 



233 



{ 408j} 672 



40 



I 13 

 \90.1 



}l40 



pine, C a 1 i - 

 forma 















































































Carson Series — 









































Carson, Wads- 









































worth, Pyra- 







2 













i 12 

 \ 175 



}- 



95 



1 12 

 195.5 



J-96 



639 



1 12 

 \661. 5 



}>684 



148 



< 12 

 \167. 5 



j-187 



mid Lake In- 













dian Agency, 



Females 



.- 



3 











176 



/ 13 

 \173.6 



}l78 



72 



( 12 

 \ 74 



J76 



664 



/ 12 

 1694. 5 



j-725 



149 



r 12 



\ 156 



}l63 



and Winne- 











mucca Lake, 









































Nevada 









































Palisade Series. — 









































Pine Creek, 









































near Pali- 



Males... 









2 







173 



1 12 

 \175. 5 



}l78 



83 



I l ' 2 

 1 85 



}87 



429 



t 12 

 1 520 



[611 



108 



f 12 

 \132. 5 



}l57 



sade, Eureka 















County, and 



Females 



-- 



2 



1 



7 







166 



/ 110 

 \172. 3 



}l76 



73 



( 17 



178.7 



}88 



283 



( 17 

 \492. 1 



[791 



65 



f 17 

 1117.1 



j-184 



Deeth, Elko 







County, Ne- 





















































































Total, 47 



rMales . . . 

 \Females 



3 



14 





7 





1 



161 



173.2 



178 



76 



88.2 



96 



224 



530.4 



684 



52 



134.6 



187 



specimens. 



1 



10| 1 



9 



1 



.... 



165 



171.3 



178 



72 



78 



88 



233 



531.5 



791 



40 



121 



184 



1 Indicating the number of specimens from which the average was taken. 



Normally there is one preocular scale on each side of the head, but 

 three individuals in the Tahoe series have the asymmetrical number 



