SCIENCE-ADVERTISEMENTS 



Just Issued 



''c^ %EVIEW OF THE 

 T%IMATES'' 



By DANIEL GIRAUD ELLIOT 



A Monographic treatise in 3 Quarto Volumes con- 

 taining 1360 pages, 28 colored plates and 215 half- 

 tone figures. 



Bound in paper $35.00 per set 



Bound in cloth 37.50 " " 



A limited subsoriptiou edi- 

 tion in full morocco . 60.00 " " 



For sale at the Library 

 of the 



American Museum of Natural 



History 



NEW YORK CITY 



From the Camhridge University Press 



THE GENUS IRIS 



My IVilliam RicMatson Os'Kes 



With 48 colored plates and 30 line drawings in tiie text. 



The volume brings together the available infor- 

 mation on all known species of Iris. The most striking 

 feature of the book is the life-size colored plates, re- 

 produced from original drawn from living plants- 

 making it a volume of great beauty as well as of 

 scientific importance. 



254 pages, demi folio, half morocco ; $37. SO, 

 postpaid, $38.36. 



The University of Chicago Press 



5753 Ellis Avenue Chicago. Illinois 



GOODE'S BASE MAPS 



For classes in geography, geology, eco- 

 nomics, history, etc. 18 subjects. Two 

 sizes: 8xlOJin., Ic; 15x10 J in., 3c; pos- 

 tage extra. Perforated for notebook ; suit- 

 able for ink or pencil. Samples on request. 



The University of Chicago Press 



Chicago, Illinois 



Natural History Material 



ZOOLOGY MINERALOGY 



We have been handling Natural History 

 Material of all kinds for the past tifty years, 

 and so haveaccuranlated a very complete stock. 

 Our pri'-es are as low as the quality of the 

 specimens will permit. Weare constantly pre- 

 paring circulars and price lists covering our 

 material in the different branches, which we 

 will be pleased to send free of charge to the 

 readers of Science. 



Some of our recent circulars : 



S-121 Rare Bird Skins 

 S-122 Mounted Bird Skins 

 S-98 Material for Dissection 

 S-123 Philippine Land Shells 

 S-120 Special Minerals 

 S-110 Complete Trilobltes 

 S-111 Jurassic Fossils 

 S=119 Cretaceous Fossils 



CONCHOLOQY 



Ward's Natural Science 

 Establishment 



College Ave. Rochester, N. Y. 



^ OUR 1913 CATALOG f 



is Contains many new instruments, all M 

 " new illustrationa, lowest prices and \ 

 ^ valuable information of interest to every M 

 ]a science instructor. Send us your name S 

 K and address and we wi ll send you a free ^ 

 ^"Py- SS^B^ Sales Dep't ^ 



9 Chicago Apparatus Co., CmcAoo. III. ^ 



JULIEM'S POWER AMD FOOT LATHES 



Use of Geologists, Mineralogists, Petrographers, Met- 

 allurgists, Mining Engineers, in SLICING and 

 POLISHING all hard substances, rocks, etc., and in 

 preparation of MICROSCOPIC THIN SECTIONS. 



GUSTAVUS D. JULIEN 

 3 Webster Terrace NEW ROCHELLE, N. Y. 



ROMEIKE'S 



PRESS CLIPPINGS 



ire now an absolute neceesity for every scientific man. 

 By methodical searching through the most important 

 papers and. periodicals published in this country and 

 ibroad we are able to supply you at short notice with 

 information on any subject which perhaps you wonld 

 be unable to find yourself in libraries or reference 

 books after spending days or even weeks at such a 

 task. Write for further information. 



HENRY ROMEIKE, Inc. 

 i06-t JO Seventh Avenue New York City 



