14 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



River, source of the Salinas River), and Santa Barbara (Santa 

 Cruz Island) counties. 



Variation. — One specimen has no loreal plates ; the other 

 one hundred and three all have the normal 1-1. The preoculars 

 are 2-2 in seventy-nine, or 78% ; 1-1 in seventeen, or 16% ; and 

 1-2 in six, or 6%. The postoculars are 3-3 in seventy-one, or 

 69% ; 3-4 in eighteen, or 17% ; 4-4 in eleven, or ll'^*' ; 4-5 in 

 one, or 1% ; 2-3 in one, or 1% ; and 2-2 in one, or 1%. The 

 temporals are 4—4 in thirty-nine, or 38% ; 3-3 in twenty-six, or 

 25% ; 3-4 in twenty-one, or 20% ; 4-5 in nine, or 9% ; 2-3 in 

 three, or 3% ; 2-2 in three, or 3% ; 5-5 in one, or 1% ; and 2-4 

 in one, or 1%. The supralabials are 8-8 in fifty-six, or 54% ; 

 8-9 in twenty-seven, or 26% ; 9-9 in fourteen, or 14% ; 9-10 

 in three, or 3% ; 7-8 in two, or 2% ; 10-10 in one, or 1%. The 

 infralabials are 13-13 in thirty-two, or 31% ; 12-12 in twenty- 

 two, or 21% ; 12-13 in nineteen, or 18% ; 11-12 in nine, or 9% ; 

 13-14 in seven, or 7%; 11-11 in six, or 6%; 11-13 in three, 

 or 3% ; 10-10 in three, or 3% ; 14-14 in one, or 1% ; and 10-11 

 in one, or 1%. The scale-rows are 31 in sixty-nine, or 68% ; 

 33 in twenty, or 20% ; and 29 in twelve, or 12% ; the average is 

 31.1 rows. The gastrosteges vary in number from 200 to 230, 

 males having from 207 to 230, females from 200 to 230; the 

 average in fifty-four males is 217, in forty-six females is 220. 

 The urosteges vary from 53 to 79 ; males having from 59 to 79, 

 females from 53 to 78 ; the average in fifty-three males is 69, in 

 forty-five females, 64. 



The dark blotches between head and anus in seventy-five 

 specimens vary from 56 to 93, the average being 70. On the 

 tail, in eighty-three specimens, they vary from 14 to 30, and 

 average 21.4. 



The counts of blotches in the various specimens are shown 

 below. 



