66 



BULLETIN OI? THE BUREAU OF FISHERIES. 



Measurements of Leucidius pectiniper. 

 pyramid lake. the willows. 



Length of body rnjn . 



Length head 



Depth body 



Depth caudal peduncle. . 

 Length caudal peduncle. 



Length snout 



Diameter eye 



Interorbital width 



Depth head 



Snout to occiput 



Snout to dorsal 



Snout to ventral 



Length base of dorsal. . . . 



Length base of ana! 



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 



26 



265 

 IIS 



21 

 07 



OS 



08 

 18 

 19 



52 



525 



IIS 

 10 

 I7S 

 13 

 17 

 IS 



2SS 



LAKE TAHOE, TAHOE CITY. 



Length of body mm . 



Length head 



Depth body 



Depth caudal peduncle. . 

 Length caudal peduncle. 



Length snout 



Diameter eye 



Interorbital 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 



o. 24 

 •29 



• 113 

 . 22 

 .072 



• 052 

 .08 

 .18 



■ 19 



■525 



■525 



. II 



.09 



.19 



.13 



.17 



.14a 



■25 



8 

 8 

 S6 

 13 

 8 



o. 25 



.27 



.068 

 .052 

 .085 

 .182 



.185 



.52 

 ■ 52 



■IIS 

 . 10 

 .19 



.145 

 .19 



■ISS 

 . 265 



8 

 8 



S8 



13 



7 



30 



.06 

 .09 

 ■ iS 

 .18 

 ■S3 

 ■53 



.14 

 .18 

 ■17 

 .26 



0.2S5 



.26 



•IIS 

 .32 



.07 

 ■055 

 .08 



.i8 

 .19 

 •53 

 •51 

 . II 

 .09 

 .19 

 •14 

 .18 

 .16 

 .26 



148 



0.245 

 ■24 

 . II 

 . 22 

 .065 

 ■OS 

 .08 

 •17 

 .18 

 ■52 

 ■S3 

 . II 

 . 10 

 •17 

 •IS 

 •17 

 ■ISS 



■25 



9 



8 



55 



14 



7 



30 



This seems to be the most abundantly represented species in Pyramid Lake, approaching the shore 

 at times in enormous schools. Perched on a high tufa crag near the shore one may observe coimtless 

 numbers of these fish slowly passing through the clear water. From the cliffs above they resemble large 

 purple clouds reflected from the green surface of the lake. They bite eagerly at a baited hook, a small 

 Spoon, or an artificial fly. It is said that during the winter very few are seen. 



On May 16 the writer began observations on the western side of Pyramid Lake at The Willows. 

 The weather was then cold and squally, the lake rough and forbidding. Relatively few fishes were 

 seen, although large schools of suckers were spawning and a few minnows might be observed here and 

 there among the suckers and in the alg^, while an occasional trout was caught by the Indians. On 

 May 20 the weather suddenly settled and became warm. As the sun went down, its last rays from over 

 the mountains fell on the surface of tlie lake, which was as calm and placid as a great mirror. About 

 2 o'clock on the following morning there was heard a vigorous lapping of the water, which in the quiet 

 air appeared entirely without cause until it was found to accompany the leaping of vast numbers of 

 fishes. Far out and up and down the shores the surface of the water fairly boiled. Spring had come, 



