BUE 
SA BIOLOGICAL FOURNAT. 
PUBLISHED ON THE I,aSt DAY OF EACH MONTH. 
Vou. I. SEPTEMBER, 1890. No. 7. 
CONTENTS: 
Amendment to the Constitution of the California Academy of Sciences . 193 
Fresh-Water Mollusca of San Francisco County: J. G. COOPER " 196 
A New Fern from Lower California: D. C. EATON .« ‘ é é : 197 
Sequoia Forests of the Sierra Nevada: FRANK J. WALKER - . 198 
Notes on Naturalized Plants of Southern California, V: S.B. PARISH. 205 
A New Epilobium: WILLIAM TRELEASE - ‘ - . s . * 210 
Double Broods of Argynnis Calippe: H. H. BeEHR . ; . - <a 
Mexican Notes, II: W.G. WRIGHT . ‘ ; j ‘ ‘ 212 
Leeflingia squarrosa: T. S. BRANDEGEE - ; > : ‘ ‘ 219 
Rattlesnake Antidotes: Frank H. VAsLiT : : ‘ ‘ : a oe 
Resest LUGE 6 trek oe re 221 
Proceedings of Societies - “ spa ia tatn fc eee : is 224 
San FRANCISCO: 
ZOE PUBLISHING COMPANY, 
P, O. Box 2114. 
Entered at the Post Office at San Francisco as Yearly Subscription, $2.00 
Second-Class matter, May 20,1890. Single Copy, 20 cts. 
