58 DONS. — 16 JANVIER AU 19 MARS 1888. 



New York. — Geological Survey of the state of —, 1887. Paleeonto- 

 logy, Vol. VI. 



James Hall et B. Simpson. — Corals and Bryozoa, 298 p., 64 pi. 



Vol. V, part. I. 



James Hall.— Lamellibranchiata Dirayaria, 560 p., pi. 34-9S, 



Pennsylvanie. — Geological Survey of — . (Annual Report). 1886. 

 Harrisburg. 



Part I. 

 Pittsburg coal région (avec carte et pi. découpes). 



Part II. 

 Oil and gas région (avec carte et planche). 



— Philadelphie. — Proceedingsof the american philosophical So- 

 ciety, vol. XXIV, no 126, juillet-décembre 1887. 



Cope. — A contribution to the history of the Vertebrata of the Trias of north 

 America, 209. 



Scott and Osbôrn. — Prelirainary report on the vertebrate fossils of the Uinta 

 formation collected by the Princeton expédition of 1886, p. 255. 



— Proceedings of the Academy of natural sciences of — . Avril- 

 août 1887, IP partie. 



Osborn. — On the structure and classification of Ihe mesozoïc Mammalia, 

 p. 282. 



Washington. — United States geological Survey : 

 David T. Day. — Minerai resources of the United States. 1886. 

 Grande-Bretagne. — Londres. — The geological magazine, 

 vol. VI, n"' II et III. 



W. Dawson. — Note on new facts relatiag to Eozoon canadense, p. 49. 



Bonney. — On the rounding of pebbles by alpine rives, p. 54. 



Me. Mahon. — The gneissose granité of the Himalayas, p. 61. 



Cornish and Kendall. — Minerai constitution of calcareous organisms, p. 66. 



Fox and Somervail. — On porphyritic structure in rocks, p. 77. 



Traquain. — Notes on carboniferous Selachii, p. si. 



Jones. — On some scandinavian Phyllocarida, i pi., p. 97. 



Traquair. — On carboniferous Selachii, p. 101. 



Nicholson. — On the Favotisidae, p. lOi. 



Lydekker. — Tertiary Lacertilia and Ophidia, liO. 



Hull. — On continental Lands and Océans, p, 113. 



Lydekker. — On a new wealden Iguanodont and other Dinosaurs, pi. HI, p. 46. 



Archibald Geikie. — On the altered Limestone of strath, Skye, p. 62. 



"Woodward. — On the discovery of Trilobites in the upper green (Gambrian) 

 slates of the Penrhyn Quarries, pi. IV, p. 74. 



Seeley. — On Thecospondylus Daviesi with some remarks of the classification of 

 the Dinosauria, p. 79. 



Prestwich. — On the corrélation of the Eocene strata in England, Belgium, 

 and the North of France, pi. V, p. 88. 



M'Kenny Hughes. — On the cae Gwyn Cave, p. 112. 



