90 



Below are given ;v muiilier oi tables which show the variation in several 

 characters. These tables are all from my own specimens. 



TABLE OF VARIATION FOR TWENTY-SIX SPECIMENS FROM MISSION. 



1 1 KM ARKS. 



12-59-6 

 11-53-5 

 12-60-6 

 12-58-6 

 11-57-6 

 12-60-6 

 12-57-5 

 12-58-6 

 12-61-6 

 12-63-6 

 11-62-6 

 13-59-6 

 11-59-7 

 12-61-7 

 12-61-6 

 13-59-7 

 13-58-7 

 11-60-7 



57 

 13-61-7 

 12-58-7 



61 



Female. 



Male. 



Male. 



Female. 



Male. 



Male. 



Feiualo. 



Male. 



Female. 



Male. 



Male. 



Male. 



Male. 



Male. 



Male. 



(?) 



Male. 



(?) 



Female. 

 Female. 



Keel scarcely evident. 



Meiliaii keel scarcely evid't 



Median keel moderate. 



Median keel well developed 



Keel typical. 



Keel moderate. 



Keel evident. 



Keel distinct. 



Keel well developed. 



Keel ty|)ical. 



Keel well developed. 



Keel moderate. 



Keel well developed, [tonus 



Keel no more than in mon- 



Keel di.stinct. 



Keel evident. 



Keel moderate. 



Keel typical. 



Keel well developed. 



Keel well developed. 



K'el moderate. 



Keel moderatQ. 



Keel moderate. 



Keel evident. 



' I have frequently observed that the largest individuals amona; the minnows usually 

 have abnormal numbers of teeth. 



\ Equidistant from base of middle caudal rays and a point above middle of pupil. 



J Anterior tooth of main row on left side is large, dagger-shaped, and remote from the 

 others, and points inward. 



i Equidistant from base of middle caudal rays and upper angle of preoperele. 



!' Equidistant from base of midille caudal rays and posterior margin of eye. 



TABLE OF VARIATION FOR EIGHT SPECIMENS FROM SICAMOUS. 



''Equidistant from base of middle caudal rays and upper angle of preoperele. 



t E(|uidistant from base of middle caudal rays and a point above middle of pupil. 



; Equidistant from liase oC middle i audal rays ami occiput. 



