20 
DONS. 15 JUIN-9 NOVEMBRE 1885. 
1885, 4. 
Mémoires. Glassefdes Sciences, 6" série, U I. n° H, t. II, n° 7. 
Espagne. Barcelone. R. Acadeinia de Giencias de — , 2« epoca, 
t. 11, no 1 (1884). 
g- J. Aimera y A. Bofill. -- Moll.asca fossilia stratorum tertiarorum supernoi um 
Catalauniae, descripta : — Proemium, Strombidœ: Strombus, Rostellaria, 17, 2 pl. 
Madrid. Boletin de Ia|..comision del mapa geolôgico de Espana, 
t. XI. 2°. 
États-Unis. Albany. Geol. Survey of the State of New-York. 
Paiaeontology, t. V, V' partie. 
Lamellibranches, I Monomyaires des Groupes d'Helderberg, Hamilton et Che- 
mung, par J. Hall, 268, 92 pl. 
Boston. American Academy of arts and science. Proceedings of the. 
Nouvelle série, vol. XIl (vol. XX), 1884-85. 
Scudder. — Dictyoneura and the allad Insects of the carboniferous Epoch, 147. 
J. Marcou. — Te « Taconic System » and its Position ia Stratigraphie Geo- 
logy, 174. 
Cambridge-Mass. Muséum of comparative zooiogy at Harvard 
Collège. Bulletin of the. — Vol. XI, n° 11, vol. XII, uo 1. 
Memoirs of the. Vol. X, p. 2, n° 3 (bis). 
— American Academy of arts and sciences. Centennial volume. 
Vol. XI, II, n« 1. 
A. Agassiz. — The Tortugas and Florida Reefs, 107. 
— Science. Vol. V, n° 122-142 (\ol. VI), juin-octobre 1885. 
N° 123. Gope's Tertiary vertebrata, 467. 
N° 123. Heiiprin. — The classification and paieontology of the U. S. tertiary 
deposits, 475. 
The Glacial Periodin Australia, 485. 
Velocity and Sédiment, 478. 
Prof. Marsh on the Dinocerata, 488. 
N" 124. Newberry. — Saporta's problematical organisras of the ancient seas, 507. 
N° 125. Dawson. A modem type of plant in the cretaceous, 514. 
King. ~ Latéral movements in the earth's crust, 514. 
0. Meyer. — The classification and paieontology of the U. S. tertiary deposits, 
510. 
White. — The geology of natural gas, 521. 
Some State geological reports, 529. 
A Jurasso-cretaceous flora in ihe Rocky Mountains, 530. 
N» 126. M. Math. — Velocity and Sédiment, 2. 
The geology of Japan, 13. 
Jagnau'x. — Traité de Minéralogie, 10. 
Geology of the Virginias, 17. j 
