Index, Volumes I-XXXVI. 
135 
geologischen Verhaltnisse des 
Cambrium von Teirovic und Skrei 
in B8hmen, J. J. Jahn, (rev.), 
xix, 277: Die Verbreitung der 
Enloma-Niobe Fauna in Europa, 
W. C. Brogger. (rev.), xxii, 236; 
Fauna der Bande f. 1. im Mittel 
Bomischen Silur, J. B. Zelizko 
(rev.), xxiii, 61; Euloma und 
Parostoma. J. F. Pompeekj. xxv, 
383; Aulacamerella H. Huene, 
(rev.), xxvii, 47; Grosse flache 
TTeberschiebungen in Dillgebiet, 
E. Kayser, (rev.), xxvii, 54; Xas- 
sauischen Culm, E. Kayser. xxvii, 
54; Entwickelung der Silurisohen 
sedimente in Bohem. F. Freeh, 
(rev.), xxviii, 391; Eocambrische 
Cephalopodengattung Vol'borthel- 
la. A . Karpinskv. (rev.), xxxvi, 
186. 
Uintal". mammalia of, Scott and 
Osh "i. (rev.), vi, 46. 
Uintscfinus, new discovery, F. 
Spi i l ■■• r. xxiv, 92. 
Ulricl., E. O., Correlation of the 
lower Silurian Horizon, i, 100; 
179; 305; Sceptropora, a new 
is of Bryozoa and other gen- 
era of that type, i, 22S; Nomen- 
clature of Cincinnati group fos- 
sils, reply to James, i, 333; Cor- 
relation of lower Silurian hori- 
zons, ii, 39; Sketch of Prof. A. H. 
Worthen, ii, 114; New Silurian 
sponges, iii, 233; Lingulasma, a 
new genus, iii, 337; Ditto, iv, 21; 
Micro-paleontology of the Cam- 
l ro-Silurian, (rev.), v, 107; New 
lamellibranchiata, v, 270; Ditto, 
vi, 173; 382; Beecherella, a new 
e-enus of Ostracoda. viii, 197; 
New Lamellibranchiata, x, 96; 
New Ostracoda, x, 263; New 
snecies of Llehas. x, 271; Lower 
Silurian Bryozoa of Minn., (rev.), 
xii 331; Lower Silurian Lamelli- 
branohiata of Minn. (rev.), 
xiv, 249; Lower Silurian Ostra- 
coda of Minn., (rev.), xiv, 333; 
(cit.), xv, 187; 385; (and Winch- 
ell), Historical sketch of inves- 
tigation of the Lower Silurian in 
tine upper Mississippi, (rev.), xv, 
384; Lower Silurian Bryozoa of 
Minn., (rev.), xv, 386; (and C. 
W. Hayes), Columbia, Tenn., ge- 
o'o-ric folio, (p.s.n.), xxxiii, 63; 
Geology of the Harriman expedi- 
ti n, fossils and age of the Yak- 
utat formation, (rev.), xxxiv, 122. 
Jnconformities of the Animike in 
Minn., A Winchell, i, 14; In the 
Archaean, (Am. com.), ii, 157. 
Unconformity at the falls of the 
Montmorenci, (ed. com.), iii, 333; 
of the Coal Measures and the 
St. Louis limestones in Iowa, C. 
R. Keyes. xii, 99. 
Uidcsokningar ofver Zonen 
med Agnostus laevigatus i Ves- 
tetGotland. I. D. Wallerius, 
(rev.), xvii, 49. 
Underground, water of the Arkan- 
-ns Valley. G. K. Gilbert, (rev.), 
xix, 57; Resources of Central great 
plains, N. H. Darton, (rev.), 
xxxv, 317; Temperatures, A. Ag- 
assiz, (abs.), xvii, 60. 
Undescribed phenomena in Hema- 
tite, W. S. Gresley, ix, 219. 
Une Travaille Archeologique de 
Nericie, K. Kjellmark, (rev.), xx, 
334. 
Unit of mapping for state surveys, 
(ed. com.), xi, 44; 61; (ed. com.), 
xxix, 116. 
United States Geological Survey, 
(p.s.n.), i, 64; Preliminary report, 
N. S. Shaler, (rev.), i, 258; (p. 
s.n.), i, 336; ''th annual report, 
J. W. Powell, (rev.), iii, 399; 8th 
annual report, (rev.), v, 314; 315; 
and its relation to state sur- 
veys and to the geologists of the 
countrv. J. C. Branner, vi, 295; 
9th report, 1887-88, J. W. Pow- 
e!l. (rev.), vii, 132; 10th report, 
1888-89, J. W. Powell, (rev.), ix, 
337; (p.s.n. 1, ix, 3 46; (ed. com.), 
x, 17'.(: Field work suspended, (p. 
s.n), x, IMS; Map. (ied, com.), x, 
?,ui: Areal work of. W. J. Mc- 
Gee, x, 377j Topographical work, 
't.l. corn.), xi, 47; A little more 
light on, J. Marcou. (rev.), 
xi, 60; Topographical work, 
R. T. Hill, xi, 64; 
Ditto, Henry Gannett, xi, 65; Dit- 
to, xi, 127; (p.s.n.), xi, 283; Prof. 
Youmans and the U. S. G. S.. (ed. 
com.), xi, 342; 11th annual report 
1889. 1890, J. \V. Powell, (rev.), 
xii, 259; Mineral resources 1891, 
D. T. Day, (rev.), xii, 260; Cor- 
relation papers, Cretaceous, C. A. 
White, (rev.), xii, 39S; Eocene, 
W. B. Clark, (rev.), xii, 399; 
Neceone, Dall and Harris, (rev.). 
xii, 399; Newark system, I. C. 
Russell, (rev.), xii, 402; Pleisto- 
cene period, divisions of, (ed, 
com.), xiii, 114; Systematic col- 
lotion of rocks and fossils, at the 
Columbian exposition, (ed. com.), 
xiii, 185; Gems, native metals 
ami other ran- mineral:; at the 
Columbian exposition, (ed.com.), 
xiii, 415; Topographic work in 
is:.:;, < p.s.n.). 5»tli, 291; 12th an- 
nual report. 1S90 to 1891, J. W. 
Powell, (rev.), xiv, 112; Mineral 
resources for 1893. D. T. Day, 
(rev.), xiv, 251; C. D. Walcott 
director (p.s.n.). xiv, 406; 13th 
annual report. 1892-92, (rev.), xv, 
48; nth annual report 1892,-93, 
.1. W. Powell, (rev. I, xvi, 310; 15th 
annual report, J. W. Pow- 
(p.s.n.), xvii. 394; 16th 
nal report 1894-95. C. D. 
Walcott, (rev.), xix, 210; Yellow- 
stone National Park folio. Hague, 
Weed, and Iddings, (rev.), xix, 
222-; 17th annual report, 1895-96, 
C. I> Walcott, (rev.), xxi, 61; 
Mineral resources of the U. S., 
1896, l'. T. Day. (rev.), xxi, 380; 
Educational s<-rl-s of rock speci- 
mens, collected and distributed, 
J. S. Diller, (rev.), xxiii, 61; the 
