SCIENCE— ''ADVERTISEMENTS 



The Sarah Berliner 



Research Fellowship 



for Women 



A fellowship of the value of one thous- 

 and dollars is offered annually, available 

 for study and research in physics, chem- 

 istry or biology. Applicants must already 

 hold the degree of doctor of philosophy or 

 be similarly equipped for the work ofi Ifur- 

 ther research. Applications must be re- 

 ceived by the first of February of each 

 year. Further information may be ob- 

 tained from the chairman of the committee, 

 Mrs. Christine Ladd-Franklin, 527 

 Cathedral Parkway, New York, 



Publications of 

 Carnegie institution of Washington 



The publicatione of the Institution now number over 3fiO 

 voliunes, the Bubject£ includiug Anatomy, Archaology, Astron- 

 omy, Botany, Chemistry, Kconomics and Sociology, Embry- 

 ology, Experimental Evolution and Heredity, Engineering, 

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

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

 ogy. Classified and descriptive lists will be sent postpaid 

 on application. 



Recently luued: 

 215a. Johnson, E. R., T. W. Van Metre, G. G. Heitb- 

 NER, and D. S. Hanchett, with an introductory note 

 by H. W. Farnam. History oi Domestic and Foreign 

 Commerce of the United States. Octavo (2 vols.)...S6.00 

 Vol. I. XV +363 pages, maps 1 to 5. 

 Vol. II. ix+398pages, maps6 to 1,0. 

 215b. Clark, Victor S. History of Manufactures in 

 the United States, 1607 to 1860. Octavo, jdi+675 



pages, 7 plates, and 7 test figures S6.00 



215c. History of Transportation in the United States be- 

 fore 1860. Prepared under the direction of Bal- 

 TH.ASAR Henry Meyer by Carolint} E. MacGill and 

 a Staff of Collaborators. Octavo, x +678 pp., Spls. $0.00 

 254. Davenpokt, Frances G. European Treaties bear- 

 ing on the History of the United States and its De- 

 pendencies, to 1G4S. Octavo, vi+387 pages $2.50 



In PresB : 



245. Hedrick, Henry B. Interpolation Tables or 

 Tables of Proportional Parts, containing the products 

 to the nearest unit of all numbers from 1 to 100 by 

 each hundredth from 0.01 to 0.99 and of all numbers 

 from 1 to 1000 by each thousandth from 0.001 to 

 0.999. Folio 



246. Albany Zone Catalogues for the Epoch 1900. Quarto. 

 Boss, Lewis. Catalogue of 8276 Stars between 20° 



and 41° of South Declination. 

 Roy, Arthur J. Catalogue of 2S00 Stars between 

 2° of South and 1° of North Declination. 

 All communications should be addresseil to 

 CARMBaiB INSTITUTION OP WASHINGTON 



WASHINUTON, D. C. 



The Ellen Ricliards Research Prize 



The Naples Table Association for Promoting 

 Laboratory Research by Women announces the offer 

 of a research prize of $1000.00 for the best thesis 

 written by an American woman embodying new ob- 

 servations and new conclusions based on independent 

 laboratory research in Biology (including Psy- 

 chology) , Chemistry or Physics. Papers published 

 before 1916 jfill aoi be considered and theses pre- 

 sented for a Ph.D. degree eire not eUgible. Theses 

 offered in competition must be in the hands of the 

 Chairman of the Committee on the Prize before 

 February 25, 1918. AppUoation blanks may be ob- 

 tained from the secretary, Mrs. Ada Wing Mead, 

 823 Wayland Avenue, Providence, R. I. 



Flora of the Rocky Mountains 

 and Adjacent Plains 



By PER AXEL RYDBERG, Ph.D. 



Curator inihe New York Botanical Garden 



8to xii-|-1110 pages 1917 



Contains descriptions of the native and naturalized 

 Flowering Plants and Ferns of Colorado, Wyoming, 

 Montana, Saskatchewan, Alberta, Idaho, Utah, the 

 western counties of Nebraska, South Dakota and 

 North Dakota and the Kootenay districts of British 

 Columbia. 



Published by the author. Price $3.75 net. 

 3304 RochEimbeau Avenue New York City 



Marine Biological Laboratory 



Woods Hole, Mass. 



INVESTIGATION 



Fainlides for research in Zoology, 

 Embryology, Physiology and Bot- 

 any. Seventy-flii private labora- 

 tories, SlOO each for not over three 

 months. Thirty tables are avail- 

 able for beginners in researoh who 

 desire to work under the direotios 

 of members of the staff. The fee 

 for such a table is S50.00 



Courses of laboratory Instmotion 

 with lectures are offered in Inverto- 

 July 3 to August 13 brate Zoology, Embryology, Physi- 

 jglg ology and Morphology and Taxo- 



nomy of the Algae. Each course 

 requires the full time of the student. 

 Fee, $50. A lecture course on the 

 Philosophical Aspects of Biology 

 and Allied Sciences is also offered. 



INSTRUCTION 



SUPPLY 

 DEPARTMENT 



Opera tho Entb* Year 



Animals and plants, preserved, liv- 

 ing, and in embryonie staces. 

 Preserved material of all ^pes of 

 a nlmal B and of Algae, Fungi, Liver- 

 worts and MosGca furnished for 

 claeswork, or for the museum. 

 Living materia] furnished in season 

 as ordered. Price lists of Zoological 

 and Botanical material sent on ap- 



Slication. State which is desired, 

 'or price Hsto and all information 

 tegardins material, addresi 



GSO. U. GHAT, Curator, Woods Hols, Man. 



Ths aaanal annosnoement will be sea ton application to The 

 Dbeetor, Marine Biological Laboratory, Woods Hols, Mass. 



