46 DONS. — DU 3 DÉCEMBRE 1888 AU 4 FÉVRIER 1889, 



Albany. — Bulletin of the New-York state Muséum of natural his- 

 tory, 1888, n"^ 4, 5 et 6. 



NasoD. — Somë New- York minerais and their localitieS. 



Baltimore. — Transactions of the Maryland Academy of sciences, 

 1888. 



Cambridge. — Bulletin of the Muséum of comparative Zoôlogy at 

 Harvard Collège : vol. XVI, n°* 2, 3, et annual report. 



New-Haven. — The american Journal of science, vol. XVI, 

 n° 216 — XVII, n-' 217. 



Narsh: Norned Dinosaurs from the Cretaceous, 477. —Dana: Description of a 

 new minerai, Beryllonde, 23. — Dodge : Observations on Halema' uma' u and its 

 debris-cone, 48.— Bayley: A Quartz keratophyre, 54. — HanksrOnthe occurrence 

 of Hanksite in California. 



Pensylvanie. — Geological Stlrvey. 



Atlas eastern middle anthracite field, part. II. 



Philadelphia. — Proceedings ofthe Academy of natural sciences 

 of—. 1888, 2^ partie. 



Meyer: Upper tertiary invertebrates from the west side of Chesapeake Bay, 170. 

 — Me. Cook : A new fossil spider Eoatypus Woodiuardii. — Keyes : On the fauna 

 ofthe lower coal measures of central lowa, pi. XII. — Description of two new 

 fossils fronn theDevonian of lowa, 247. 



Caroline du Nord. — Raleigh. — Journal of the Elisha Mitchell 

 scientific Society, 5« année, 2' partie. 



Grande-Bretagne. — Londres. — Proceedings of the royal 

 Society, vol. XLV, n°' 272, 273. 

 — Geological Magazine, décade III, vol. VI, n°^ 1 et 2. 



Traquair : Homosteus compared with Coccosteus. — Hughes : The lower 

 Cambrian of Bethesda. N. Wales. — Harker: Notes on the physics of nieta- 

 morphics, 15. — Lapworth : The ballantree Rocks of the south of Scotland and 

 their place in the upland séquence. — Gregory : On a new species of the genus 

 Protastef. — Traquair : On the gênera Tristychnis and Ptychachantus. — 

 Ricketts : P.hysical changes in the earth's crust. — Maynard Hutchings: Alte- 

 red igneous rocks of Tintagel, North Cornwall. — Lapworth: The ballantrae rocks 

 of south Scotland and their place in the upland séquence. — Harker : Local thi- 

 ckening of Dykes and Beds by folding. — Wicklow : On the occurence of soda 

 felsites in G» Wicklow, Ireland. — Sanford : On analysis of kentish ragstone. — 

 Johnston Lavis: A remarkable trachyte in Naples. — A. de Gregorio: On Pleur o- 

 toma turbida a.nà PI. Colon.—- Whidborne : Fossils of south Devon, — Riist : 

 On the occurence of Radiolarians in the cretaceous strata. 



