32 DONS. — SÉANCES DES 10 ET 24 AVRIL 1899 



The building and décorative stones of Maryland, p. 47-123, pi. 4-7. — Edw. B. 

 Mathews : An account of the character and distribution of Maryland building 

 stones, p. 123-241, pi. 8-32. — H. Gannet et Edward B. Mathews: Rep. on the 

 Cartography of Maryland, p. 2i3-335, pi. 33-42, 2 cartes. — E. B. Mathews : The 

 Maps and Map-makers of Maryland, p. 337-488, pi. 43-48. 



Cambridge. Muséum of Comparative Zool. at Harvard Collège. 

 XXXII, 9, 1899. 



Chicago. Journal of Geology. VII, 2, 1899. 



Henry S. Washington : The petrographical province of Essex County Mass., 

 III. p. 105-121. — B. Shimek : The distribution of lœss fossils, p. 122- 140. — 

 T. W. Turner : The granitic rocks of the Sierra Nevada, p. 141-162. — E.-C. Case : 

 Studies for students. The development and geological relations of the vertébrales 

 V, Mamnialia, p. 161-187. 



Minneapolis. The Am. Geologist. XXIII, 1, 1889. 



N.-H. Winchell : Thalite und Bowlingite from the North shore of Lake superior, 

 p. 41-44. — Marsden Manson : The laws of climatic évolution, p. 44-57. 



New-York. Science. IV, N os 220-224. 



Arnold Hague : The early tertiary Volcanoes of the Absaroka Range, p. 425- 

 442. _ F.-B. Weeks : Duplication of geelogic formation names, p. 490-491. 



— Mem. of the Am. Mus. of Nat. History. II, 1898. 



— Bull. Amer. Muséum of N. H. X, 1898. 



H. Fairtield : A complète skeleton of Coryplwdon radians. Notes upon the 

 Locomotion of this Animal, p. 81-92, pi. 10. - J.-L. Wortman : The extinct 

 Camelidae of North America and some associated forms, p. 93-142, pi. 11. — 

 H. Fairlield Osborn : Additional characters of the great Herbivorous Dinosaur 

 Camarosaurus, p. 219-234, 13 fig. 



New-Haven. The Amer. Jouru. of Se. VII, 40, 1899. 



L. Fairchild : Glacial lakes Newberry, Warren and Dana, in Central New- York, 

 p. 249-263. — Thos.-H. Means : A rapid method for the détermination of the 

 amount of soluble minerai matter in a soil, p. 264-266. — L.-V. Pirsson : On the 

 phenocrysts of intrusive igneous rocks, p. 271-280. - J.-H. Pratt : On the oecu- 

 rence, origin and chemical composition of Chromite, p. 281-286. — H.-W. Turner : 

 Some Rock-forming biotites and amphiboles, p. 294-298. — O.P. Hay : On one 

 little known and one hitherto unknown species of Saurocephalus, p. 299-304. — 

 C.-R. Wieland : A study of some American fossils Cycads. Part. II : The Leaf 

 structure of Cycadeoidea, p. 305-308, pi. VII. 



Washington. Smithsonian Institution. Ann. Rep. 1896, 1898. 



Joseph Le Conte : Earth Crust Movements and their Causes, p. 233-244. — 

 J.-P. Thomson : The physical Geography of Australia, p. 245-272. 



Grande-Bretagne. — Londres. R. Soc. Proc. LXIV, 410-411, 



1899. 



410. Frank Clowes : Déposition of barium sulphate as a cementing material of 

 sandstone, p. 374-377. 



