71 
The American Geologist. 
December, 1905. 
Late Tertiary, (Am. com.), ii, 
278; volcanic eruption in north- 
ern California, and its peculiar 
lava, J. S. I >iller, i rev. i, ix, 
Later Cretaceous in iowa, C. A. 
White, i, 221; Ditto, A. G. Wil- 
son, i p.s.n. I, i, 33 . . 
Latost eruptivea of the Lake Su- 
i \. II. Winchell. 
xvi, 269; and lowest pre-Iroquois 
c-han iels bel w een Syracuse and 
Rome i i. i .. Fairchild, (r< v.), 
xxxi; 250. 
La Plata museum, Lydekker, 
(rev.), xiii, 35S. 
Laudertaack, G. D., (p.s.n.), xxxiiii, 
60: ( p.s.n. ). xxxv, 32 l. 
Laurentian lakes and Niagara 
falls, Upham, xviii, L69. 
Laurentian, Limits in the Archean, 
(Am. com.), ii, 182; As a Qua- 
ternary term, v, 29: and Newark 
as geological terms, C. H. Hitch- 
cock, v, 197; And Champlain as 
terms in geology, .1. Marcou, vi, 
64; The name, J. F. James, vi. 
133; So-called limestones at St. 
John, New Brunswick, (ed. 
, om.) ix, 198; Ditto, G. F. Mat- 
thew. '■■-, 212; Of the Otta- 
wa district. R. YV. Ells, (abs.), 
xi, 134; Contact with the Hur- 
onian, R. Bell, (abs.), xi, 135; 
Ditto, Barlow, xi. 138; And 
Huronian north of lake Huron, A. 
E. Barlow, (rev.), xiii, 63; Con- 
tribution to knowledge of, F. 
D. Adams, (abs.), xv. 67. 
Laurie. Malcolm, Eurypterina, 
(rev.), xii, 125. Law of priority, 
J. T. Cunningham, (abs.), xviii, 
182. 
La>»isonite, a new mineral from 
California, F. L. Ransome, (rev.), 
xvi, IIP. 
Laws of climatic evolution. M. 
Manson, xxiii, 44. (ed. com.), 
xxxiii, 116. 
Lawsan, A. C. Diabase dikes. Rainy 
lake, i, 199: Foliation and sedi- 
mentation, iii, 169; 276; Arehean 
northwest of lake Superior, 
(rev.), iv, 59; (cit.i. 295; Geolo- 
gy of the Rainy lake region, v, 
55; Pre-Paleozoic surface, (abs.), 
v, 119; Archean. (rem.), v, 121; 
Copper in the Animikie rocks, v, 
174; Microscopic characters of 
rocks, north of lake F-lu-on, (cit.) 
vi, 30; (p.s.n.), vii, 71; Petro- 
g :rihi; ll dlftei fltlS+i: a : •■>:t U 
dikes of the Rainy lake region, 
vii, 133: Lake Superior strati- 
graphy, vii, 320; (p.s.n.), viii, 63; 
Abandoned strands of lake War- 
ren, (abs.). xi, 177: Topographi- 
cal survey of California, (p.s.n.) 
xii, 283; Coastal topography of 
the north shore of lake Superior, 
• (rev.). 356; 362; Anorthosytes of 
the Minnesota shore of lake 
Superior, (rev.), xii. 59; I.acco- 
i'ie si Is of the northwest shore 
of lake Superior, (rev.', xii, 59; 
Carmelo bay, (rev.), xii, 262; 
Ai u 1 1 iple diabase dyke, xiii, 293 ; 
Chehalis sandstone. xiii, 436; 
Post-pliocene, diastrophisni of 
southi rn ( ialifoi nia, I rev.), xiv, 
335; < ontritmtion to t he geology 
of the i 'east ranges, xv, 342; 
The gi omorphogen • ■ I the 
nun h coasl of ' l&lifornia, i rev.), 
xv, 387; Geology of San Francis- 
co j eninsula, I rev. I, xviii, 319, 
i •■ mi. i. xxvii, I 12; i he Bparchean 
interval, (rev.), xxx, 122; (p.s.n.), 
xxxiii, 60; Geomorphogeny of 
the upper ivi n basin, 1 1 ev.), 
Lawton, C. D., .Sketch of C. E. 
Wright, ii, 307; Mini iai re- 
sources of Michigan, (rev.), vi, 
251. 
Le.-. IV!. C^rey, Allotropic forms of 
silver, (p.s.n.), iv, 254. 
Lead and Zinc deposits of Miss- 
i. J. D. Robertson, xv, 235; 
Ditto, Winslow and Robertson, 
(revO, xvi, 118; Of Iowa, A. G. 
Leonard, xvi, 288; Of south- 
western Wisconsin, U. S. Grant, 
(rev.), xxxii, 188. 
Leadville, Colo.. Mining Industry, 
S. F. Emmons, (rev.), i, 194. 
Leaf-bearing terrane in the Loup- 
Fork, F. M. Cragin, viii, 29. 
Le C'aire lim°ston«, S. Caivin, 
(abs.), xvii, 125. 
Le Conte, John L.. (cit.), iv, 221. 
Le Conte, Jos., Flora of the Coast 
islands in relation to recent 
changes of .physical geography, 
i, 76; Classification of the Terti- 
ary. (Am. com.), ii, 283; Trans- 
fer of Lick observatory, (rev.), 
ii. 428; Interior condition of the 
earth, iv, 3S; Elements of geolo- 
gy, (rev.), vii, 260; Changes in 
the Atlantic and Pacific coasts, 
<>ev.). viii, 54; (p.s.n.), xii, 
208; Divisions of worldwide ex- 
tent, talis.), xii, 272; Critical 
periods in the history of the 
earth (rev.), xvi, 317: Elements 
of Geology, (rev.), xviii, 3S4; 
Autobiography, (rev.), xxxij, 
396. 
Lecture notes on general and 
snecial mineraloev, r. f. Van 
Horn. (rev. ). xxxiii. 128. 
Lee, H. A., (n.s.n.). xvi. 06. 
Lee. W. T., Areal tjeologv of the 
Castle rock region, Colorado, 
xxix, 96. 
Leff^ann and. Bean, Water for 
sinitirv and technical purposes, 
(rex-.), iii, 334. 
Le-jarra, P. S., (obit.), xi. 362. 
LeNnh University, (p.s.n.), xxvii, 
389: i p.s.n. I, xxviil, 3 '0: I p.ts.n.), 
xxxii, 332. 
Lehmar.n, J. Granites of Saxony, 
(rev.), iii, 150. 
Leidy, Jos., Resignation from the 
local committe, v, 38S; Mam- 
malian remains, (rev.), v. 314. 
(obit.), vii, 390; List of paleonto- 
logical publications. viii, 333; 
.Memorial sketch. Frazer. ix, 1; 
( p.s.n. ). xvii, 257. 
Leith, C. K., (ps.n.). xxxi. 395; 
Mesabi iron-1 ea ring district of 
Minnesota, (rev.), xxxii. 251; (p. 
s.ii. I, xxxiv, 400. 
