22 
DONS. 
— - 7 NOVEMBRE-ID DÉCEMBRE 1881. 
— Observations of the genus Archimedes or Fenestella^ in-8°, 4 p. 
— Fossils of the Warsaw limestone, in-8°, 8 p., 1 pl. 
— Descriptions of new species of fossils from the Niagara forma- 
lion at "Waldron, Indiana, in-8", 20 p. (Albany Institute, 1879.) 
— Contributions to paleontology, in-8o, 20 p. (Ext. de An. Rep. of 
the Régents of the University, 1861.) 
— On the Silurians of the United States, in-8<», 4 p. (Ext. de Geol. 
Magazine, Nov. 1872.) 
— Description of new species of fossils from the upper Helderberg, 
Hamilton and Chemung groups, in-8o, 84 p. Albany, 1861. 
— Contributions to palœontology, in-8°, 74 p. (Ext. de An. Rep. 
of the Régents, 1860.) 
— Observations upon some of the Brachiopoda, with référence 
to the gênera Cryptonella, Çentronella, MeristeUa^ and allied forms, 
în-8% 24 p., 1863. 
Note on the genus Plumalinay in-8'*, 2 p., 1 pl. 
— On the geology of the southern counties of New-York and ad- 
jacent parts of Pensylvania, in-8o, 5 p. (Ext. des Proc. of the Am. 
assoc. for. Adv. of science, 1875.) 
— Descriptions of new species of crinoïdea from the carboniferous 
rocks of the Mississipi valley, in-8% 68 p., 7 pl., 1860. 
— Corals and Bryozoans of the lower Helderberg group, in-8°, 
38 p., Albany, 1880. 
— Preliminary notice of the lamellibranchiate shells of the upper 
Helderberg, Hamilton, and Chemung groups, in-8o, 97 p, 
— Reply to a « note on a question of priority », in-8°, 5 p.j Albany, 
1872. 
Hanks. Contributions to the geology and mineralogy of California, 
6 hroch. in-8°, Sacraraento, 1881. 
Hayot. Matériaux pour l'histoire de la Martinique agricole, in-8°, 
136 p., 1881. 
Jackson. Liste provisoire de bibliographies géographiques spéciales, 
in-8°, 340 p., Paris, à la Société de Géographie, 1881. 
Jeanjean, Etude sur les terrains jurassiques des Basses-Cévennes, 
in-8% 36 p., 2 pl., Nîmes, 1881. 
Lapparent {A. de). Traité de géologie^ fasc. 3, in-8% 160 p., Paris 
chez Savy, 1881, 
Lasaulx {von). Vortrage und Mittheilungen, in-8°, 12 p., Bonn. 
1881. 
Melville Ativood. On the geology of Bodie, illustrating thetwo âges 
of gold, in-8% 12 p. (Ext. de Trans. of the San Francisco Microscop. 
Soc, 1881.) 
