112 
DONS. — SÉANCE DU 3 NOVEMBRE 1891 
White Limestones of Sussex Co., N. J., a reply to a review, p. 166-171. — F. W. 
Cragin : New observations on the genus Trinacromerum, p. 171-174. — G. D. Harris: 
On the confounding of Nassa trivittata Say and Nassa peralta (Con. sp.), p. 174-176. 
— E. O. Ubricli : Beecherella, a new genus of Lower Ilelderberg Ostracoda, p. 197- 
206, pl. IL — H. P. Cushing : Notes on the Muir Glacier Région, Alaska and its 
Geology, p. 207-290, pl. III, IV. — Pleistocene papersatthe Washington Meetings, 
p. 230-243. 
New Haven, Conn. — The American Journal of Science. 3 d ser., 
vol. XLII, n os 247-230. 
R. N. Brackett aud J. F. Williams : Newtonite aud Rectorite, two new minerais 
of the kaolinite group, p. 11-21. — L. G. Eakins : New analyses of Astrophyllite and 
Tscheffkinite, p. 34-3S. — J. P. Iddings and S. L. Penfield : The Minerais in hollow 
spherulites of Rhyolite from Glade Creek, Wyoming, p. 39-46. — J. Stanley-Brown : 
Bernardinite : Is it a Minerai or a Fungus ? p. 46-50. — Ch. E. Beecher : Develop- 
ment of Bilobites, p. 51-56, pl. I. — L. V. Pirsson : Gmelinite from Nova Scotia, 
p. 57-63. — J. M. Davison : Analyses of Kamacete, Tœnite aud Plessite from the 
Welland Meteoric Iron, p. 64-66. — J. D. Dana : Some of the fealures of nonvolcanie 
igneous Ejections, as illustrated in the fow « Rocks» of the New Haven Région, West 
Rock, Pine Rock, Mjll Rock and EasJ, Rock, p. 79-110, pl. II-VII. — R. T. Bill : 
Notes on a Reconnaissance of the Onacliita Mountain System in Indian Territory, 
p. 111-124. — G. H. Stone : Note on the Asphaltum of Utah and Colorado, p. 148- 
159. — W. H. Weed : A Goldbearing Hot Spring Deposit, p. 166-169. — O. C. Marsh : 
Restoration of Stegosaurus, p. 179-181, pl. IX. — Fr. Leverett : Pleistocene Fluvial 
Planes of Western Pensylvania, p. 209-212. — J. P. Kimbal : Genesis of Iron-ores 
by Isomorphous aud Pseudomorphous Replacement of Limestone, etc., p. 231-241. 
— F. W. Clarke aud E. A. Schneider : On the Constitution of certain Micas, Vermi- 
culites aud Chlorites, p. 242-253. — II. L. Smyth : Structural Geology of Steep Rock 
Lake, Ontario, p. 317-331, pl. XI. — B. J. Harrington : On the so-called Amber 
of Cedar Lake, North Saskatchewan, Canada, p. 332-335. — O. C. Marsh : Geologi- 
cal Horizons as determined by Vertebrate Fossils, p. 336-338, pl. XII. 
New-York. — Tlie American Muséum of Natural History. Annual 
Report of the Trustées. 1890-91. 
Philadelphie. — Proceedings of the Academy of Natural Sciences 
of Philadelphia. 1891, I. 
Angelo Ileilprin : Rate of coral growth, p. 75. — E. Goldsmitli : Basanite from 
Crawford County, Indiana, p. 99-104. — Th. D. Rand : The sandstones of Chester 
Valley, Pennsylvania, p. 119-120. — Wm. H. Dali : On the Peace Creek Beds, 
Florida, p. 120-122. — II. F. Osborn : A review of the Cretaceous Mammalia, 
p. 124-135. — Angelo Heilprin : Geological researches in Yucatan, p. 136-158. — 
AmosP.Brown : On the young of Baculites compressus Say, p. 159-160. 
Proceedings of the American Philosophical Society. Vol. XXIX, 
189, n« 135. 
O. C. S. Carter : Felspar Bed in Laurentian (?) Gneiss, p. 49-50. 
Sacramento. — California State Mining Bureau. 10 th Annual 
