ace | 
Die 
ad 
ey 
rae * 
Sectional Library 
VoiumeE VI. SEPTEMBER, 1889. WHOLE No. 47: 
5 me me 
W est + American : Scientist. : 
A popular monthly review and record for the Pacific Coast. 
Official Organ of the San Diego Society of Natural History. 
C.R. ORCUTT, - - EDITOR. 
CONTENTS: 
PaGE 
The California Geysers......+-+ seeerereeeeeee Prof. Josiah Keep. 99 
A New Species of Erigonum.......+++++s CRATE Re Dr. C.C. Parry. 102 
Fauna and Flora of Colorado—I.....++++++5+ .T. D. A. Cockerell: 103 
Anlaysis of Water from Buckman’s Springs.....-.. Geo, H. Colby. 107 
To Working Entomologists....--++++e+s++++ Robert H. Lamborn. 107 
Humming Birds of the Pacific Coast..+0+++-+++++eeees L. Belding. 109 
On the Distribution of Planorbis Bicarinatus...Dr.R.Z.C Stearns. 110 
Briefer Articles—A Moving Lake of Ice; the Sorghum Industry; 
Desiccation of the Dead; the Cliff Dwellers; Another 
Mammoth Cave; to Break up the Slave Trade; Uncertainty 
of “Electrocution.” ...0..-e cere cerceereeeees ence I12, 113, I14, 115 
Proceedings of Scientific Societies.....+++.+-- bis vinietiean bia ha Abe * 115 
Bibliography.....0. cesses eeeeeere eee ones Pa Da paaty k caletheh wareiae's 8 116 
Editorial. .cc.. ce.cs0 ssscaseessseserateenernnecs coecne ceseus Maeig FAS 
Notes and NewS....sscees cceces cece ceneetseeceeersees cane ge vata’ IIg 
SAMUEL CARSON & CO., 
PUBLISHERS. 
No. 208 Post STREET, - SAN FRANCISCO, CALIF: 
No. 1134 Fifth Street, San Diego, Calif. 
PRICE 10 CENTS. PER YEAR, $1.00. 
[Entered at the Post Office at San Francisco as second-class matter.] 
SIHSONIE 
; wei , 
we Vir y 
MAY 3.0 1989 
LiBRARIED 
