PROF. H. CAR FILL LEWIS. 

 THE loss to the geological world by the death of Prof. 

 _ x Henry Carvill Lewis at the early age of thirty- four, and 

 in the midst of his work, is greater than they may realize, as 

 the more important of his results acquired during the last 

 three years have not been fully published. When, in 

 he began to study the glacial phenomena' of 



iSS 



TURE 



Pennsylvania, though numerous observations had been 

 made on the direction of the striae and the location of the 

 moraines, in the northern part of the States, nothing had 

 been attempted towards gathering the results into a con- 

 sistent whole, or tracing the limits of the glaciation. In 

 that year he succeeded in tracing a great terminal moraine 

 from New Jersey to the Ohio frontier, and showing that 

 beyond this line glaciation was absent, while within it the 

 direction of the motion could be traced as well by the striae 

 as by the derivation of the boulders. Of the truth of these 

 views he succeed in convincing almost all the American 

 geologists who had studied the question. Fired by his 

 success in interpreting the glacial phenomena of his 

 native country, and believing that the same key might 

 be found to unlock the mysteries of European glaciation, 

 he practically threw up his position in Philadelphia, and 

 devoted himself to the study of these phenomena in Great 

 Britain. Devoting his summers from 1885 to the work, 

 he visited — accompanied by his wife, whose active assist- 

 ance he constantly enjoyed — almost every locality in Great 

 Britain and Ireland where striae had been recorded or 

 moraines were likely to occur. To reduce the whole of 

 the previous observations to order was a task he had not 

 yet succeeded in completing, but which he boldly under- 

 took, and to continue which he had once more landed 

 in England. Important results were, however, already 

 obtained, and at the British Association last year he gave 

 English geologists the firstfruits, by presenting them with 

 a map of England in which he had traced a great terminal 

 moraine, as in America, on the north of which the striae 

 and the dispersion of the boulders indicated a continuous 

 ice-sheet, while to the south the various glacial deposits 

 were accounted for by extra-morainic lakes. He boldly 

 advocated the view of the ice mounting up to the heights 

 of 1 100 feet in Moel Tryfaen and elsewhere, where the 

 ice-sheet had crossed the sea, declaring that anyone 

 who was acquainted, as he was, with the far greater 

 results of ice-motion in Pennsylvania would have 

 no difficulty in accepting this, and pointing out that these 

 localities were everywhere on the line of the great terminal 

 moraine. So startling a generalization could scarcely be 

 accepted all at once, and there were many things to 

 account for before the history even of this greatest ice-sheet 

 could be considered complete. Had Prof. Lewis been spared 

 to us, he was prepared to devote himself to the completion 

 of this work. He has left a large mass of notes and draw- 

 ings bearing on it, which must now wait for some Elisha 



cap? K1 ~ - f < — 1 - : -' T - : — J - *? ' '—^ : 



mo/ 



.pBajpj 3at3ij 3 iVV -uoiptipcucta-i sq; jo ssusdxs aqi 01 Suimo 

 : }S3J3}ui reloads jo sosbo ut a^uo usaiS mou 3.rc sssq; : sunuSoj-eq 

 snonapnoo sqi jo uotssioto aqi si uorre.ioire redpuud sq j, - s.it33a" 

 snoiAOid in sb '-o.^ 'jore.tt punoiSaopun 'uopE-iodtfAS 'a-m^-iad 

 -ui3;-qiiB3 s"E qons 'suopuA.issqo {Buonipp'c osre '. spioooa ouiqsuns 

 aq; jo s3juuis-obj pue 's}U3inru:isui guip.ioooj-jps oqj jo suop^A 

 -josqo Xpnoq 'auioqos reuop-cuiajui aqj 04 2uip.iooou souBununs 

 Xrinrjom r,uB sixbsih uha\ '^iitm ssuirj 33-iui usx^a siiouba 



Thosel 

 the beaul 

 his invar/ 

 and his 

 They sa| 

 Nature 

 culture, 

 have los 



He 

 dau£;hte 



sning witmile aavarrce- 



'T OF GOVERNMENT. 

 IE AND EDUCATION. 



TON. 



VEMENT OF THE RACE. 



rrz ORATION, ETC. 



3 a finely- engraved Portrait 

 ,1 Sketch. 



tencer, Andrew D. White, David 

 rard Atkinson, W. K. Brooks, 

 tarr Jordan, Joseph Le Oonte, 

 Dawson, F. W. Clarke, Horatio 

 e L. Richards, N. S. Shaler, D. 



MONTHLY. 



magazine has made a field for itself, in 

 stands alone. It has done more to popu- 

 nce than ail other publications added to- 

 rt well deserves the marked success which 

 ined." — The Republic (Washington). 

 1 is no diminution in the excellence of 

 zine since Prof. Youmans's death. It is 

 lished, and has the highest fame for a work 

 1."'— Boston Herald. 



Magazine is as trenchant, progressive, thor- 

 brmed. and full of ability as it ever was." 

 ST. Y.) Herald. 



Popular Science Monthly ' can not be ex- 

 Hartford (Conn.) Evening Post. 



', 1, 3, & 5 Bond Street. 

 Yearly Subscription, $5.00. 



348 



The Organiz 

 -British Associati 

 conductors, to b< 

 W. H. Preece, 

 Oliver J. Lodge, 

 this year before i 



Agreeably tc 

 Hydrology and ( 

 the second trieni 

 fans next year, a 



