Index, Volumes I-XXXVI. 
75 
Cummins'), 
Texas, v, 
vii, 73. 
. 261 ; Dic- 
ilength of geologic time, H. Li. 
Fairehild, new), xv, 51. 
Lenke, H. (and J. Felix), Geology 
and paleontology of Mexico, 
(rev.), x, 120. 
Leonard, A. G., Lead and zinc de- 
posits nf Iowa, origin, xvi, 28S; 
Iowa lead mines. (reV.), xx, 2,2; 
(and H. F. Bain), Middle Coal 
Moii ■-■: l i ■■■ western interior coal 
I elds, i abs. I, xxii, 251; Basic 
locks of Northeastern Maryland, 
xxviii, 135; Iowa Geol. Sur., vol. 
xii. (rev.), xxxi, 124; (p.s.n.), 
.xxxii, 331. 
Leptichtys, A. Stewart, xxiv, 78. 
Les dislocations de I'&corce Ter- 
restre, IVJargerie and Heim, 
(rev.), ii, 
Lerch, O. 'and W. F. 
'I i .• i loncho counl rj . 
321 : Concho country. 
Lesley, J. P., (p.s.n.), 
tionary of the fossils of Pennsyl- 
vania, (rev.), v, 53; (rem.), v, 
386, 3S7; Dictionary of fossils, 
(rev.), vii, 382; Final report, 
Pennsylvania survey, vol. ii, 
(rev.), xi, 117; Final report, J. 
F. James, xviii, 323; (obit.), xxxii, 
62; Biographical sketch, P. Fra- 
7.1 ", >xxii, 132. 
Les miin'i-aiix des roches. Levy 
and Lacroix, (rev.), iii, 199. 
Lesquereux, L., feit.L i, £27; 
(obit.), iv, 392; Sketch, E. Orton, 
v, 284; Fossils considered as 
marine plants, (rev), vi, 322; 
(cit.), On Glyptodendron. xii, 133; 
Genus Winchellia, xii, 209; Flora 
of the Dakota group, (rev.), xii, 
32S; Cretaceous plants of Minne- 
sota, (rev.), xii, 330; Cretaceous 
fossil plants from Minnesota, 
I I ev. ). xv, 384. 
Lessons in Physical Geography, *C. 
It. Dryer, (rev.), xxix, 57. 
Les transformations des granulites 
der M'&rbihan, Barrois. (rev.), iii, 
Level of no strain. B. \V. Claypole, 
v, 83. 190'. 
Leverett, Frank, Indiana natural 
gas field, iv, 6; (i em.), v, 1 23; 
' lincinnati ice-dam, < abs. ), viii, 
232; White clays of the Ohio re- 
gion, x. 18; Supposed Glacial man 
in southwestern Ohio, xi, 186; 
Attenuated drift bord ind the 
outer moraine in Ohio, xi, 215; 
I rlacia i suci ess i' m in ' ihio, < rev. ). 
xi, 413; (rem.), xii, 167, 170. 173; 
Changes of level in Rock river 
basin in Illinois, (abs.). xii, 179; 
(rem.), xii, 181; Diversity of the 
older ilrit'i in northwestern Illin- 
ois, i abs. i, xii, 229; 1 1 em. t. xii, 
230; Soils and subsoils of Illinois, 
(ed. com.), xiii, 109; (and T. C. 
Chamberlin), Pas1 drainage sys- 
tems of the Upper Ohio i r-i-r. 
(abs.), xiii, 217; Pre-Glacial val- 
leys of the Mississippi and its 
tributaries, (rev.), xvii, 118; Cor- 
iiinn of the New Fork mor- 
aines with the raised beaches of 
Lake Erie, (rev.), xvii, 118; Soils 
of Illinois, (rev.), xvii, 119; Tce- 
lobes south from the Wisconsin 
driftless area. (abs.). xvii, 102; 
Loess of wstern Illinois and 
sunt heastern iowa, (al s.), xvii, 
102; (p.s.n.), xviii, 100; Water 
resources . of Illinois, re .), xix, 
1 1 g : PleistO' a1 tires of the 
Chii a o a ea, < rev.), xx, ■"•7 ; The 
( Jhicago outli t, (abs.) xx, 198; 
Cot relation of beache: with mo- 
raines on the south shore of 
Lake Erie, xxi, 195: Weathered 
zone between the F.linoian and 
Kansan till, (abs.). xxi, 254; Be- 
i wi en i hi ■ b i -l the 
Illinoian till, (abs.). xxi, 254; 
ter resources of Indiana and 
Ohio, (rev.), xxi, 324; intergla- 
cial deposits in Iowa, i i xxii, 
326; Wells of northern Indhma, 
i re\ .). xxiii. 3S5; The Illinois gla- 
cial lube, i rev.), xxv, J81 ; (p.s. 
n.i. xxvi, 195; (p.s.n. i. xxvii. 196; 
Glacial features of the Erie and 
1 Hi jo basins, (rev.), xxx. 
The Loess and its distribution, 
xxxiii, 56; Glacial geology of the 
southern pi ninsula of Michigan, 
(rev.), xxxiv, 393. 
Levison, W. G., Note on fluores- 
' enl gems, xxxiii, 57. 
Levy, A. M., (p.s.n.), xxxv. 262. 
Levy. Michel, Classification of 
eruptive rocks, (rev.), iv, 303; v, 
(,■_. 
L.ewinson-Lessing's classification 
of rocks, xxiii, 346. 
Lewis, H. C, I'.ioeranhical sketch, 
Warren Upham, ii. 371; Glacial 
geology of Great Britain and Ire- 
land, (rev.), xiv. 255: Ditto. Ced. 
com.), xv, ISO; Genesis of the 
diamond, (rev.), xx. 57. 
Lewis, J. V., (p.s.n). xxxiii, 552; 
i p.s.n. I, xxxvi, 60. 
Lherzolite-serpentine, C. Palache 
( n v. ). xv, 52. 
Libbey, Wm., Jr., (p.s.n.). xvii, 
m:-. 
Lichas, Two new Lower Silurian 
species, E. O. Ulrich, x. 271; A 
new form of trilobite, Delgado, 
(rev.), xiii, 284. 
Lick observatory, transfer. Le 
< 'imt e, I rev. I. ii, 128. 
Life in the Archean, (Am. 
ii. 175. 
Life, letters and works ol Louis 
Agassiz, Marcou, < rev. > xvii. 
Liqnite, systematic description, 
Knowlton, iii. 103; Its utilization 
in Texas, (p.s.n.), x, 
Liaht in the east. (ed. com.), xx, 
128. 
Li-"- itic formation, (Am. com.), ii, 
Limits of the glaciated area in 
New Jersej . A. A, Wi Ight. (abs.), 
xii, 166; Of post-Glacial sub- 
mi rgence east of i bay, 
l-'. B. Taylor, xiv, 273, 
Lincoln. D. F.. Glacial erosion in 
t be finger lake region of N« w 
York, (abs.), xii, 1 77. 
Lincoln county, S. Dak., Geology, 
T. A. Bendrat, xxxiii. I 
