SCIENCE 



ti WEEKLY JOURNAL DEVOTED TO THE ADVANCEMENT OF SCIENCE, PUBLISHING THK 



OFFICIAL NOTICES AND PROCEEDINGS OF THE AMERICAN ASSOCIATION 



FOR THE ADVANCEMENT OF SCIENCE. 



Editobial CtoMMiTTKK : S. Nkwcomb, MathemstiOB ; E. S. Woodward, Meohanioe ; E. C. Pickkbino 

 Astronomy ; T. C Mkndknhall, Pbysioe ; R. H. Thcbston, Engineering ; Iba Rkmsbn, Chemistry ; 

 Chablks D. Walcott, Geology ; W. M. Davis, Physiography ; Heney F. Osbobn, Paleon- 

 tology ; W. K. Bbooks, C. Habt Mebbiam, Zoology ; S. H. Scuddkb, Entomology ; C. E. 

 Bessky, N. L. Bbitton, Botany ; C. S. Minot, Embryology, Histology ; H. P. 

 BowDiTCH, Physiology ; William H. Welch, Pathology ; 

 J. McKeen Catiell, Psychology. 



Friday. October 23. 1903. I'^E ATOMIC rilKoinr 



— OxE hundred years ajro. on Oetohcr 21. 



COyTEXTS: 1803, Joliu Daltdu gave this society the first 



rhr Ahimic Tiitonj: Profkssor V. \\ . ci-MiKK oi^i aiinonucement of his famous atoniie theory. 



Sricnii/ic liouLx:— It was only a slight preliminary notice, ;i 



Thfobald's Ucjiort on Kcuiiomir Xualoyy iif mere iiote appended to a memoir upon an- 



thi- British Museum of yaiunii Hision,: ,,^1,^,. subject, aud it attracted little or no 



I'KoKKSSOR F. M. Webster -VIU ., .■ t lom l^ ix • * i 



attention. In IhO-i Dalton communieatet! 



Scientific Jounmls aud Articles 5:^0 j^j^ di.scovery to Dr. Thomas Thomson, who 



Societies aud Academies:— .^^ ojjgg adopted it in his lectures, and in 



The Onondaqa Academii of .Scirncrx: T. ('. tor.- -j. i-ii -j ui- m • ^ » 



..,„ 180< gave it still wider publicity in a te.xt- 



IIOI'KI.NS O-iO " ' •' 



book. A year later Dalton publi.shed his 



Discussiou and Correspondence: — _.^, r. . £• y,, • , t^, •, ■ , ■< 



»,,..,„ .. 1,1,, New System 01 Chemical Philosophy, and 



The Ammal Parasite supposed to he tin- •' i .' > ' 



Cause of rellou- Ferer: Dr. .T. C. Smith. cilice then the history of chemistry has 



Some Recent Applications of the A. It. I . been the history of the atomic theory. To 



fWf.- Dr. Artiur Erwin- Brow.v. A Uiih celebrate Dalton 's achievement, to trace 



erto Undescribed Visual Phenomenon : Dr. •* • a i • i i j. • i 

 „ ^. .. .its influence upon chemical doctrine and 



Geo. M. (JofLD .>:«) , ^ 



discovery, is the purpose of my lecture. It 



shorter Articles: — i i ^ t ' r 



A D„.,.„ • I V. , . \ II . /• i*' an old ston', and yet a new one; for 



.1 Bacterial Spot — .-l .\eir Disease of ( arna- j i j ' 



tions: Dr. A. F. WooD.s. The Frontier of ''^'ery year adds something to it, and the 



/'/i;/.sio(/ia/</ii/; PRoEEssoRWir.i.i.'kM Herbert process of development shows no signs of 



^^oBiis ■>:{" Hearing an end. A theory that grows, and 



Hotoniciii \oie.i: — j^. (.ontinuallv fruitful, can not be ea.sily 



.1 .AVir Edition of Ditmir's Praktikuni : ,,. .i „4„ t t\ •* .j. i i ■»• • 



„, , , , ,, . . „ Ml pplanteil. Despite attacks and eritici.sms. 



The Algae of yorthucslrrn America: Pro- , ,. ■ .,, . , , 



fessok Charles E. Be.'.sev o4o 1^=''^"" ** Seiieralizatum still holds the field ; 



.„ .. ,,,,.., I- , , .. ., , ,, "'•'^1 f''"'" ^^' as from a parent stem, spring 



Studies of the load Value of Fruit at the ' i i- ■- 



Universilu of California .510 "^'"■"'•V "'^ ^he other accepted theories of 



c • ,-.r ■.- - J A- .-, chemistry. 



Scientific Aotes and A firs 641 



Every thought has its ancestrv. Let us 



Cniccrsity and Educational yens •')43 i • u . .. , /.,",.• 



briefly trace the genealogy of the atomic 



theory. In the very beginnings of phi- 



MSS. Intended for pahllcatlon and books, etc.. InteDded 



for review should be sent to the responsible editor. Pro- * ^'"' ^^ ''•''" '«•'<"'■ Ix-foio tlu- Miimlifst.-r Pliil..- 



fessor J. McKesn Cattell, Oarrieon-on-Had>oD, N. Y. -npliii'iil .Sm'icty, delivfietl May 10. liUKi. 



