26 DONS. — DU 18 JUIN AU 3 DÉCEMBRE 1888. 



États-Unis d'Amérique. — New-York. — Natural history 

 of — . Palaeontology, vol. VI et VIL 



Hall et Simpson. — Coralsand Bryozoa, 298 p., 64 pi. 



Hall et Clarke. — Trilobites and other Crustacea, 230 p., 34 pi. avec index, 

 Gephalopoda (pi. GXIV-CXXIX), 



— The american Muséum of natural history, annual report of the 

 Trustées for the year 1887-88. 



— Transactions ofthe American Academy of sciences, 1887-88. 



Ford. — Notes on fossils from Québec, 2. 

 Hidden. — Remarks on Zircon, 6. 



Newberry. — Note on a new species of Rhizodus, from the St Louis Limestone 

 at Alton, 165. 

 Post. — The physical geography and 'geology of Syra and Palestine, 166. 

 Newberry. — On the fossii, fishes from the Erie shale of Ohio, 178. 



— Proceedings of the american Association for the advancement of 

 Science, held at —, vol. XXXVI, Salem, 1888. 



Williams. — On the différent types of the Devonian in North America, 207. 

 Presser. — Section of the lower Devonian and upper Silurian strata in central 

 New- York as shown by a deep well at Morrisville, 20S. 



— The upper Hamilton of Ghenango and Otsego counties, 210. 

 Winchelle. — The granité and qaartzyte contact at the aurora mine, gogebic 



iron range, at Ironwood, Michigan, 211. 



James. — Geological section of Southwestern Ohio, 211. 



Walcott. — Section of lower Silurian and Cambrian strata in central New-York 

 as shown by a deep well near Utica, 211. 



— Discovery of fossils in the lower Taconic of Emmons, 212. 

 Cushing. — Notes on the Berea grit in northeastern Ohio, 213, 

 Hill. — Notes upon Texas section of the american Cretaceous, 216. 

 Johnson. — Notes on the Geology of Florida, 216. 



Scott. — The upper eocene lacustrine formations of the United States, 217. 

 Claypole. — Lake Cuyahoga, a study in glacial geology, 218. 

 Spencer. — Glacier érosion in Norway and notes upon northern ice action, 

 218. 



— Notes upon the theory of glacial motion, 220. 



— Sand boulders in the drift or subaqueous origin of the drift in central 

 Missouri, 220. 



Me. Gee. — The Golumbia formation, 221. 



Hitchcock. — Genesis Hawaïan Islands, 222. 



James. — On the Monticuliporoïdcorals of the Cincinnati group with a critical 

 revision of the species, 223. 



Chester. — The state line serpentine and associated rocke ; a preliminary notice 

 of the serpentines of southeastern Pennsylvania, 224. 



Williams. — Some exemples of the dynamic metamorphism of the ancient 

 eruptiv rocks of the Touthshore of Lake Superior, 2-;5. 



Claypole. — The four great sandstones of Pensylvania, 2*7. 



