DONS. — 21 juin-8 noviîmbre 1886. 19 
Branncr. — The Glaciation of Parts of the Wyotning and Lackawanno Waileys, 
2 cartes, 337. 
Cope. — On two new Species of Three-toed Horses front the upper Miocene 
with Notes on the Fauna of the Ticholeptas lieds, 351. 
Packard. — Discovery of thoracic Feet in a Carboniferous Pliyllocaridan, 
1 pl., 380. 
P. Frazer. — Sketch of the Geology of York Gounty, Pennsylvania, 1 carte, 
391. 
— List of surviving Members of the — . 
Salem. — Proceedings of the american Association for the Advan- 
cement of Science. — Thirty-lhird meeting held at Philadelphia, 
Penn. — September 1884, t. XXXIII. 
Trenton New Jersey. — Geological Survey of New Jersey. 
Whitfleld. — Brachiopoda and Lameliibranchiata of the raritan Clays and 
Greensand Maris of New Jersey, 269 p., 35 pl., 1 carte. 
Washington. — Annual Report of the Board of Regents of the 
Smithsonian Institution for the Year 1884. 
— United States geological Survey — . Monographs of the — . 
t. IX. — Whitfleld. — Brachiopoda and Lameliibranchiata of the raritan Clays 
and Greensand Maris of New Jersey; in-4», i vol., 269 p., 35 pl., 1 carte. 
— Fifth annual Report of the — (1883-84), i vol. in-4", 467 p. et 58 pl. 
Washington. — Department of the interior. United States geolo- 
gical Survey. Bulletin of the — . 
N" 24. — List of marine Mollusca comprising the Quaternary Fossils and re- 
cent Forms from american Localities between Cape Hatteras and Cape Roque in- 
cluding the Bermudas. 
N“ 25. — The présent technical Condition of the Steel industry of the United 
States. 
N” 26. — Copper smeiting. 
Grande-Bretagne. Londres. — The Royal Society. — Philo- 
sophical Transactions of the — 1885, t. CLXXVI, I, II. 
II. — G.-J. Hinde. — On Beds of Sponge-remains in the lower and upper 
Greensand of the South of England, 5 pl., 403 p. 
Liste des membres de — au 30 novembre 1885. 
List of duplicate* periodicals in the library of the — . 
Abstracts of the proceedings of the — , n” 492. (Juin 1886). 
Proceedings of the — . T. XL, n« 243-245, t. XLI, n» 246. 
N“ 244. — Darwin. — On the Correction to the Equilibrium Theory of Tides 
for the Continents, 303. 
R. Owen. — Description of Fossil Romains of two Species of a Megalanian Ge- 
nus (Meiolania, Ow.), from Lord Howe’s Island, 315. 
N" 245. — E. Rutiey. — Notes on Alteration induced by Beat in certain vi- 
treous Rocks, 430. 
