11 



SCIENCE. 



[Vol. XVllI. No. 453 



CALENDAR OF SOCIETIES. 



Appalachian Mountain Club, Boston. 



Oct. 7. —Gardner M. Jones, The Moose- 

 head Camp; Charles H. Ames. The Organ 

 Mountains, N M. ; Charles E. Faj, Mount 

 Passacouaway. 



Wants. 



A ny person seeking- a position /or luhich ke is quali- 

 fied by his scientific attaimnen^s, or any person seeking 

 some one to fill a position of this character^ be it thai 

 of a teacher of science^ chemist, draughtsinan, or ivkat 

 not, may have the ' Want'' inserted under this head 

 FREE OF COST, if he satisfies the publisher of the suit- 

 able character of his application. A ny person seeking 

 information on any scientific question^ the address oj 

 any scientific jnati, or who can in any zuay use this col- 

 umn for a purpose consonant with the nature of the 

 Paper, is cordially invited to do so. 



WANTED.- By a young man (27), B. A. and Ph.D., 

 with three years' experience as assistant in 

 chemistry, position as instructor in chemistry or in 

 natural sciences in college or academy, or other ad- 

 vantageous position as chemist. Give particulars 

 as to work, salary, etc. F. W. MAR, L. Box 23, West 

 Haven, Cona. 



A YOUNG MAN with an M.S. degree from Cornell 

 University desires a position as Professor or 

 Instructor in Physios or Electrical Engineering. 

 Address M. V. P., care Science, 47 Lafayette Place, 

 New Vork. 



WANTED— A position as Professor of Science by 

 a teacher of experience who has taken a post- 

 graduate course in biology. Address BOTANIST, 

 care Science, 47 Lafayette Place, New York. 



WANTED— A position in a college to teach Geol- 

 ogy. Mineralogy, and Physical Geography by 

 a graduate of a scientific institution and a teacher 

 of experience. Address Bos 13, Nantasket, Mass. 



WANTED, Geological Reports of State of New 

 Jersey from 1868 on, except 1880 and 1881. D. T. 

 Marshall, Metuchen, N.J. 



WANTED—A position at a University as Lecturer 

 on Physical Geography or kindred subjects, by 

 a graduate from abroad. First-class references. For 

 particulars address P. A. V., care Science. 



J ANTED a position as professor of geology or 

 metallurgy by a school of mines graduate. Ad- 

 dress T. W. O., 49th Street and Madison Avenue, 

 New York City. 



W1 



Escchanges. 



[Freeof charge to all, if of satisfactory character. 

 Address N. D. C. Hodges, 47 Lafayette Place, New 

 York.l 



For Sale or Exchange for boots a complete private 

 chemical laboratory outfit. Includes large Becker bal- 

 ance (2O0g to i-iomg ), platinum dishes and crucibles, 

 agate motors, glass-blowing apparatus, etc. For sale in 

 part or whole. Also complete file of Silliman'^ s Journal, 

 1862-1885 (62-71 bound); Smithsonian Reports, 1S54-1883; 

 U. S. Coast Survey. 1854-1869. Full particulars to en- 

 quirers. F. GARDINER, JR., Pomfret, Conn. 



I have five vols, of "Olhausen's Biblical Commentary 

 on the New Testament " that I would like to sell or 

 exchange for works on geology of North America. 



These volumes are as good as new, except the slight 

 fading of the black cloth covers. D, T. Marshall, Me- 

 tuchen, N. J. 



For sale or exchange, extra fine pair ( 5 and ? ) of skins 

 of Rocky Mountain Goat, with the skulls, etc., as needed 

 for mounting ; collection of vertebrate fossils from the 

 Coup Fork Tertiary of Kansas ; collection of works on 

 descriptive cryptogamic botany— mostly on Fungi; thir- 

 teen vols, of Botanical Gazette, eight vols. Grevillea^ 

 four vols. Notarisea; stereopiicon outfit, with attach- 

 ment for microscopic projection ; 148 stereoptlcon slides, 

 illustrating zoology and cryptogams. Wanted— American 

 aniforeign works and pamphlets on Vertebrate Palason- 

 tology. and series q{ Am. Jour, of Science Tind other peri- 

 odicals containing contributions to Vertebrate Palseon- 

 tology. Prof. F. W. Cragin, Colorado Springs, Colo. 



For exchange or sale at a sacrifice, an elaborate micro- 

 scope outfit, Bullock stand; monocular objectives, one- 

 sixth homeogeneous immersion, four-tenths, and three 

 inch, Bausch & Lomb, also one-fouith and one inch 

 Spencer. Four eye-pieces. Objectives are the best made. 

 Address Mrs. Marion Smith, 41 Branch Street, Lowell, 

 Mass. 



To be published in October. 



THE LABRADOR COAST, 



A JOURNAL OF TWO SUMMER CRUISES 

 TO THAT REGION. 



WITH NOTES ON ITS EAELY DISCOV- 

 ERY, ON THE ESKIMO. ON ITS PHY 

 SICAL GEOGRAPHY, GEOLOGY AND 

 NATURAL HISTORY, TOGETHER WITH 

 A BIBLIOGRAPHY OF WORKS, ARTI- 



' CLES, AND CHARTS RELATING TO 

 THE CIVIL AND NATURAL HISTORY 

 OF THE LABRADOR PENINSULA. 



By ALPHEUS SPRING PACKARD, M.D., Ph.D. 



Sportsmen and oroithologists will be interested in 

 the list of Labrador birds by Mr. L. W. Turner, 

 which has been kindly revised and brought down to 

 date by Dr. J. A. Allen. Dr. S H. Scudder has con- 

 tributed the list of butterflies, and Prof. John 

 Macoun, of Ottawa, Canada, has prepared the list of 

 Labrador plants. 



Much pains has been taken to render the bibliog- 

 raphy complete, and the author is iodebted to Dr. 

 Franz Boas and others for several titles and impor- 

 tant suggestions; and it is hoped that this feature of 

 the book will recommend it to collectors of Ameri- 



It is hoped that the volume will serve as a guide 

 to the Labrador coast for the use of travellers, 

 yachtsmen, sportsmen, artists, and naturalists, as 

 well as those interested in geographical and histori- 

 cal studies. 



N. D. C. HODGES, Publisher, 



47 Lafayette Place, New York. 



NEO-DARWINISM AND NEO-LAMARCKISM. 



By LESTER F. -WARD. 



Annual address of the President of the Biological 

 Society of Washington delivered Jan. 24, 1891. A 

 historical and critical review of modern scientific 

 thought relative to heredity, and especially to the 

 problem of the transmission of acquired characters. 

 The following are tbe several heads involved in the 

 discussion Status of the Problem. Lamarckism, 

 Darwinism, Acquired Characters, Theories of He- 

 redity, Views of Mr. Galton, Teachings of Professor 

 Weismann, A Critique of Weismann, ;Neo-Darwin- 

 ism, Neo-Lamarckism, the American "School." Ap- 

 plication to the Human Race In so far as views 

 are expressed they are in the main in line* with the 

 general current of American thought, and opposed 

 to the extreme doctrine of the non-transmissibility 

 of acquired characters. 



Price, postpaid, 25 cents. 



N. D. C. HODGES, 47 Lafayette Place, N. Y. 



ml II r n 1 1 C Cabinet Specimens. Collections. 

 inillCnnLui For Blowpipe Analysis. 



Largest and finest stock in U. S. lOOpp. Illustrated 

 Catalogue, paper bound, 15c, ; cloth bound, 25c. 

 GEO. L. ENGLISH & CO, Mineralogists, 

 Removed to 733 & 735 Broadway, New York. 



Course of Mineralogy for Yonng People. 



Conducted by correspondence ; minerals and books 

 furnished. 



Collection and book, " First Grade," one dollar; 

 postage, 25 cents. Send for circulars to 



GUSTAVE GUTTENBERG, 

 Central High School, Pittsburgh. Pa. 



Some I 

 Childrenl 



Grotving \ 

 Too Fast 



\ become listless, fretful, without ener- 



gy, tliin and weak. But you can for- 



j tify tfiem and build them up, by the 



) use of ( 



SCOTTS 



EMULSION 



OF PURE COD LIVER OIL AND 



i HYPOPHOSPHITES 



j Of Hiime and Soda. 



J They will take it readily, for it is al- 

 most as palatable as milk. And it 

 should be remembered that AS A PRE- 

 VEKTIVE OK CUItE OP COUGHS OE COLDS, 

 m BOTH THE OLD AND YOONG, IT IS 



J UNEQUALLED, -^"oidsithstituttonsoffnvd. 



POSTAL DICTIONARY. 



A Manual of Postage Rates, and Information 

 upon Every Postal Subject which concerns 

 Merchants, Professional Men, Occasional 

 Correspondents, and AU who Use the Mails. 

 Sixth edition, revised to date. 



Arranged in dictionary form, comprising about 150 

 titles (with complete index of over 400 references), 

 designed to furnish all facts bearing upon any par- 

 ticular topic, under its subject title. 



'•About as convenient a little book as we have seen 

 for some time. Costs only 15 cents, but ought to 

 save at least that amount every other day, directly 

 or indirectly."— C/iicago Standard. 



"Likely to be of great and constant service to all 

 who make much use of the mails. The ninety-four 

 pages contain a great amount of information, very 

 well arranged, knowledge of which should prevent 

 most of tbe delays and losses in the mails." — Boston 

 Literary World. 



"Worth its weight in gold to the busy ' man of 

 affairs ^ It will enable him to settle almost at a 

 glance the points of inquiry in postal matters that 

 are constantly arising."— iVew? York Home Journal. 



"If all who use the mails (and who does not?) will 

 turn to the pages of this useful little guide, tbe labor 

 of the postal authorities will be greatly simplified, 

 fewer mistakes will be possible, and the public will 

 be better served. Its simplicity and low cost will 

 commend it to all. and give it what it deserves, a 

 universal sale."— .Sfon. Thomas L. James, ex-Post- 

 master General. 



Price, 15 Cents. Postpaid. 



ADDRESS N, D. C. HODGES, 



47 I^afayette Place, Tiew York. 



BOOKS : How to Elxcliange tliem for 

 others. Send a postal to the Science exchange 

 column (insertion free), stating briefly what you 

 want to exchange. Science, 47 Lafayette Place, 

 New York, 



PATENTS 



For INVENTORS. 40-pag6 BOOK FREE. Address 

 W.T.Fitzgerald, Attorney at Law, Washington, D.C 



Ward'sNatural Science Establishment 



llinera9§, 



Rocks, 



Fossils, 



Casts of Fossils, 



Oeological 



Relief Maps. 



Mineralogy, Geology, Paleontology, Zoology, Osteology, Anatomy. 



Send for Circular. ROCHESTER, N. Y. 



stuffed Animals 



and Skins, 



Mounted 



Skeletons, 



Anatomical 



Models 



I n Ter tebrates 



