NO. 2333. 



FISHES FROM OWENS RIVER— SNYDER. 



203 



Scale counts on Catostomus arenarius, Owens River. 



Scales lateral series, 72 73 



Number of specimens 1 5 



74 

 4 



Scales before dorsal fin. 

 Number of specimens. . 



Scales above lateral line. 

 Number of specimens. . . 



Scales below lateral line. 

 Number of specimens 



34 35 I 36 



1 5 i 8 



14 I 15 I 16 



1 I 16 ! 17 



11 I 12 

 10 I 14 



13 

 16 



75 ! 76 



5 6 



37 38 



5 10 



17 i 18 



8 I 1 



77 i 78 



9 I 5 



I 



39 40 

 3 



79 

 4 



41 



2 



Measurements of Catostomus arenarius, Owens River. 



Length of body mm . . 



Length head 



Depth body 



Depth caudal peduncle 



Length caudal peduncle. . . 



Length snout 



Diameter eye 



Interorbitai width 



Depth head 



Snout to occiput 



Snout to dorsal 



Snout to ventral 



Length base of dorsal 



Length base of anal 



Height dorsal 



Height anal 



Length pectoral 



Length ventral 



Length caudal 



Dorsal rays 



Anal rays 



Scales lateral line 



Scales above lateral line. . . 

 Scales below lateral line. . . 

 Scales before dorsal 



155 



.25 



.21 



095 



.17 



.12 



.04 



.11 



.17 



.21 



.48 



.57 



.14 



.08 



.18 



195 



.22 



.15 



.22 



10 



7 



77 



17 



12 



39 



179 170 

 .25 I .25 



.22 



.10 



.155 



.13 



,.04 



.095 



.16 



.22 



.51 



.55 



.15 



.085 



.18 



.225 



.23 



.18 



.23 



10 



7 



76 



15 



12 



36 



.23 



.10 



.14 



.12 



037 



.11 



.18 



.22 



.52 



.56 



135 



.08 



175 



.20 



.22 



.14 



215 



11 



7 



73 



15 



13 



39 



153 



.24 



.22 



.10 



.17 



. 12 



036 



.10 



.17 



.21 



.51 



.57 



.13 



.08 



.17 



195 



215 



.15 



.22 



10 



. S 



75 



17 



13 



40 



SIPHATELES OBESUS (Girard). 



LAKE CHUB. 



80 

 3 



42 

 1 



134 



.25 



.20 



.09 



.17 



.12 



.04 



.09 



.16 



.21 



.50 



565 



.15 



.08 



.18 



.22 



^23 



.17 



.23 



10 



7 



75 



17 



13 



36 



Specimens of this species appear to be like those found in the 

 Lahontan system. The hirgest fishes secm'ed at Laws measure 132 

 millimeters. 



Scale counts of Siphateles obesus, Owens River. 



Scales in lateral series i 50 



Number of specimens 1 2 



Scales before dorsal fin i 26 



Number of specimens i 1 



Scales above lateral line 12 



Number of specimens 6 



Scales below lateral line . 

 Number of specimens 



51 52 



4 I 4 



! 



27 I 28 

 2 9 



13 14 



16 ! 21 



7 : 8 

 15 ! 22 



54 55 

 9 



15 16 

 12 1 



60 

 1 



