BZ 24 
¢ 
290 
VoLuME VI. SEPTEMBER, 1889. WHOLE No. 47. 
yh Rig Sa WE = 
West + Kmerican Scientist. 
A popular monthly seview and record for the Pacific Coast. 
Official Organ of the San Diego Society of Natural History. 

MeO bly hiae ay DITOR: 
CONTENTS: 
PAGE 
ie CMINOIMIA GrCYSETS. 600 6.6 esse cc cence Prof. Josiah Keep. 99 
A New Species of Erigonum............ pieeaiena's De, Party. “102 
Fauna and Flora of Colorado—I.............. T. D. A. Cockerell. 103 
Anlaysis of Water from Buckman’s Springs........ Geo. H. Colby, 107 
To Working Entomologists................. Robert H. Lamborn. 107 
Humming Birds of the Pacific Coast..............005- 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 
IOTOCUIEION So sce ve ricd abe vivid pcec ns eer aah af II2, I13, 114, 115 
Proceedings of Scientific Societies......... Libud POR ARSE Ae ela6 II5 
ES Oe OD a Ma aemeniics te vk Mirbwclls's ne 116 
Ns rete Ig Ly v kis WS ning Fd o's: 01s voids ois wees Save ee bees 118 
EIU Sc heh sins 0ig.¥ dibie 5 dius Wao 5.4 da par ohGe see Kees Tig*\2, 
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