SCIENCE— ADVERTISEMENTS 



THE 

 PRINCIPLES OF 

 STRATIGRAPHY 



BY 

 AMADEUS W. GRABAU. S.M.. S,D. 



PROFESSOR OF PALEONTOLOGY IN 

 COLUMaA UNIVERSITY 



"Should be on the reference shelf of every col- 

 lege, normal Bchool, and large high school in the 

 United States." — Journal of Geography, Vol. XIII, 

 Jan. 1915. 



8oe, IISO page; 264 illuttration: Priem, S7.S0 



Descriptiva Ctrcular Sent opsii Request 



A. G. SEILER & CO. 



NEW YORK CITY 



Publications of 

 Carnegie Institution of Washington 



The publications of the Institution now number over 300 

 volumes, the subjeots including Anatomy, Archmolosy, Astron- 

 omy, Botany. Chemistry, Economics and Sociology, Embry- 

 ology, Experimental Evolution and Heredity, En^neering, 

 Folk-Lore, Geology, History, International Law, Literatiire, 

 Mathematics, Medicine, Nutrition, Philology, Physics, Zool- 

 ogy. Classified and descriptive lists will be sent postpaid 

 on spplication. 



RECENTLY ISSUED 

 255. Churchill, William. Club Types of Nuclear Poly- 

 nesia. Octavo, V -(- 173 pp., 17 plates, 3 figs. ... $2.50 



FORMER BOOKS OF MR. CHURCHILL 



1:34. Churchill, William. The Polynesian Wanderings. 

 Tracks of the Migration deduced from an Examina- 

 tion of the Proto-Samoan Content of Efate and other 

 Languages of Melanesia. Octavo, VIii +510 pp., 

 2 Plates $3.50 



154. Churchill, William. Beach-la-mar: The Jargon 

 or Trade Speech of the Western Pacific. Octavo, 

 54 pp. $0.50 



174. Churchill, William. Easter Island, Rapanui Speech 

 and the Peopling of Southeast Polynesia. Octavo, 

 340 pp $2.75 



184. Finley, J. P., and William Churchill. The Suba- 

 nu: Studies of a Sul>-Visayan Mountain Folk of 

 Mindanao. Octavo, iv -(-236 pp., 2 plates . . . $2.00 



244. Churchill, William. Sissano: Movements of Migra- 

 ^tion within and through Melanesia. Octavo, 181 

 pp., 17 charts $2.00 



IN PRESS 



253. Ivens, Walter G. Dictionary of Sa'a and Ulawa of 

 the Melanesian Group of the Oceanic Family of 

 Languages In pie£0 



Orders for above publications may be made through book- 

 sellers or sent directly to the Institution. 



All commuDlcatlons should be addressed to 



CARNEaiE INSTITUTION OP WASHINaTO^ 



WASHINUTON, D. C. 



Mitosis in Giardia microti, by William C. Boeck, 

 35 cents. 



Minerals Associated with the Crystalline Limestone 

 at Crestmore, Riverside County, California, by 



Arthur S. Eakle, 40 cents. 



Description of Some New Species of PolynalJae from 

 the Coast of Callfomis, by Christine Essenberg 20 



Optimum Moisture Conditions for Tonng Lemon 

 Trees on a Loam Soil, by L. W. Fowler and C. B. 

 Lipman 15 



Some Abnormal Water Belations In Citrus Trees of 

 tiie Arid Soutiiwest and tlieir Possible Significance, 



by Robert W. Hodgson 20 



New Species of Amphinomtdat from the Pacific Coast, 



by Christine Essenberg IS 



The University of California issues publications in the follow- 

 ing series among others; Agricultural Sciences; American 

 Arohffiology and Ethnology ; Botany; Economics; Ento- 

 mology ; Geology ; Mathematics'; Pathology ; Philosophy ; 

 Phy8ioloi5y,Psychology; Zoology; Memoirs of the University of 

 California; Bulletin and Publications of the Lick Observatory. 



Complete lists of titles and prices will be sent on request. 



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The Philippine 

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ALVIN J. COX, M.A., Ph.D., General Editor 



Published by the Bureau of Science 



of the Government of the 



Philippine Islands 



A Periodical Devoted to the Scientific and Commercial 

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