flATUHAIi SCIENCE: 



A MONTHLY REVIEW OF 



SCIENTIFIC PROGRESS. 



THE FOLLOWING ARE A FEW FACTS AS TO THE WORK 

 OF " NATURAL SCIENCE" DURING 1S05. 



NATURAL SCIENCE for 1895 has published contributions from 

 104 distinguished writers. 



NATURAL SCIENCE for 1895 has published 63 specially contrib- 

 uted Articles in all branches of Zoology, Botany, and Geology, 

 besides the large July number, condensing the results of the 

 " Challenger " Expedition. 



NATURiVL SCIENCE for 1895 has published 24 full-page Plates 

 illustrating the above-mentioned articles. 



NATURAL SCIENCE for 1895 has reviewed 100 Books, and no- 

 ticed 340 Papers, Pamphlets and Periodicals. 



NATURAL SCIENCE for 1895 has contained 45 Text=figures. 



NATURAL SCIENCE for 1895 has given Obituary Notices of 53 

 men of science, and recorded more briefly the deaths of 77 more. 



NATURAL SCIENCE for 1895 has announced 210 Appointments. 



NATURAL SCIENCE for 1895 has given the news of 67 Muse- 

 ums, and of all the leading Societies and Universities. 

 These statements can be verified by anyone who will buy the Vol- 

 umes for 1895, which contain 885 large 8vo pages, and are sold for 



$3.50. Specimen copies, post free, 15 cts. 



Apart from the high character of the contents, as shown by the 



eminence of the contributors, and as testified to by the Scientific and 



Public Press of all Countries, the above facts show that NATURAL 



SCIENCE is the Cheapest as well as the Best Scientific Monthly. 

 NATURAL SCIENCE for 1896 hopes to accomplish no less 



work, and will be sent post free for 3 dollar bills and 50 cts. postage 



stamps. Single numbers, 30 cts. 



RAIT, HENDERSON & Co., Ltd., 



22 ST. ANDREW STREET, H0LB0RN CIRCUS, LONDON, ENG. 



