WILLIAMS WILLIS 317 



Page 

 Wii,i,iAM.s, II. S. : I'crsistcMici' of thictn:itiii.ii vaiMations as illusi rated by 



. the fossil genus Rliipldomella 21, "(!, 2!)()-.312 



— ■ and TToixicK, Arthur ; Migratimi 21, 7:1 



— , Tarr, S. K., and Kinukk, K. INI. : (Jcdld^Mc atlas of the Hnitcd States. 



AVatkins Glen-Catatonk folio (Held edition), Uefei-cMice to 22,152 



Williams, I. A.; Orei^on I'.urean oC Mines and (Jeolo.iiV 26, 1-"'>T 



WiMJAMS, AT. Y.. Acknowledixinents to 29, ''>'->0 



— , The rataract discussed b.v 24, 107 



— (•ite<l on ('al)ots Hoad section, ( tntario 25, -il^ 



— Clinton formation 25,279 



— coral fauna 27, 478 



— Manitowaning section, Ontario 25, ^20 



— marine Clinton beds 29, ■'>^i 



— Niagara of Ontario 30, 368 



■ — Ordoviciau limestones 30, •>48 



— , Disc-ussion of classification of aqueous babitats b.v 26, 158 



Hamilton group of western New York b.v 26, 113 



Lockport-Guelph section l)y 28, 173 



Paleozoic rocks by 28. 171 



— Siluric by 28, 129 



— ; GuelpU formation of Ontario 27, 148 



— , Photographs by [plate 14] 25, 287 



— , Reference to photograph of Silurian sequence in Ontario 28, 800 



— , Remarks on waterlimes b.v 28, 174 



— ; Sections illustrating the lower part of the Silurian system of south- 

 western Ontario 25, 40 



WiLiJAMSON, E. D., cited on solubility — i)rodnct constant 28. 935-9^6 



Williamson division of the New York Clinton, Reference to 21, 715 



— shale 29, 348 



WiLLTAKi), T. E., Dr. Ulrich accompanied to Big Stone Cap by 27, 479 



Willis, Bailey, cited on experimental g(>olog.v 29, 175 



— • geologic climates 30, 559 



— monoclines 27, 91 



Pennsylvania peneplains 29, 579 



• — red color of the Triassic 28, 760 



— stratigraphy 28, 807, 809 



unconformity of San Lorenzo beds 29, 299 



— • epigene profiles of the desert by 26, 391 



— , Discussion of paleontologic criteria in time relations l>y 26, 411 



— — on flow of diabase 21, 24 



— — — Perino-carbonie conglomerates of south Brazil 21, 30. 779 



the geology of the Wasatch Mountains by 21, 22 



• — volcanic action 21, 23 



— quoted on tangential crustal movements in Asia 21, 225 



the "Stratigraphy and structure of the Lewis and Livingston 



ranges" 23, 690 



— , Reference to geologic map by 29, 69, 601 



