1880. — S. Y. Wood : The Valley System of the S. E. of England. 502. — 

 Clement Eeid: Sudden extinction of the Mammoth. 505. — Notices, re- 

 views etc. 506. 



15) The Annais and Magazine of natural history. 8°. London 

 5th series. [Jb. 1881. II. - 309 -] 



Vol. VIII. No. 43. July 1881. — Wallich: Supplementary Notes on 

 the Flint and the Lithological Identity of de Chalk and Recent Calcareous 

 Deposits in the Ocean 46—58. 



Vol. VIII. No. 44. Aug. 1881. — T. Stock: On some British Specirnens 

 of the „Kammplatten" or „Kammleisten" of Prof. Fritsch. 90. — PI. VT. 



Vol. VIII. No. 45. Sept. 1881. 



Vol. VIII. No. 46. Oct. 1881. 



Vol. VIII. No. 47. Nov. 1881. — T.Rupert Jones : Notes on the Palaeo- 

 zoic Bivalved Entomostraca No. XII. 332—350. PI. XIX. — T. P. Bah- 

 ras: Ctenoptychius or Kammplatten 350—354. 



16) The Mi ner alogical Magazine and Journal of theMinera- 

 logical Society of Great Britain and Ireland 8°. London. 

 [Jb. 1881. IL - 147 -] 



Vol. IV. No. 20. Aug. 1881. — Heddle: The geognosy and minera- 

 logy of Scotland, Sutherland. II. 197. — A. Renard: On the chemical 

 composition of epidote from Quenast. 255. — W. Semmons : On Brochantite 

 and its associations. 259. — C. von Hauer : Crystallogenetic observations. 264. 



17) The American Journal of Science and Arts. 3rd Series. 

 [Jb. 1881. II. - 437 -] 



Vol. XXII. No. 129. September 1881. — E. S. Dana: Emerald-green 

 spodumene from Alexander County, North Carolina. 179. — B. Sillimann: 

 Mineralogical notes. 198. 



Vol. XXII. No. 130. October 1881. — S. W. Ford: Embryonic forms 

 of Trilobites from the primordial rocks of Troy, N. Y. 250. — W. J. 

 McGee: Thickness of the ice-sheet at any latitude. 264. — Address of 

 Sir John Lubbock, president of the British Association at York. 268. — 

 C. G. Rockwood: Notes on Earthquakes. 289. — James D. Dana: Geo- 

 logical relations of the iimestone belts of Westchester Co. N. Y. 313—327. 



Vol. XXII. No. 131. Nov. 1881. — 0. C. Marsh: Jurassic birds and 

 their allies. 337. — Address of Sir John Lubbock. 343. — W. J. Mc. 

 Gee : Local subsidence produced by an ice-sheet. 368. — J. J. Stevenson : 

 Note on the Laramie-group of southern New Mexico. 370. — C. D. Wal- 

 cott : The nature of Cyathophysus 394. 



18) Bulletin of the TJ. S. geological and geographical Sur- 

 vey of the Territories. Washington 1881. [Jb. 1881. II. - 149 -] 

 Vol. VI. No. 2.— Sam. H. Scudder: The tertiary lake basin of Floris- 



sant, Colorado, bedween South and Hayden Parks. 279—300. — E. D. 

 Cope : Review of the Rodentia of the miocene period of North America. 



