158 ADDITIONS TO THE LIBRARY. 



Some Florida Miocene, 322. — JR. S. Woodward. Tlie Mathematical 

 Theories of the Earth, 387. — E. O. Hovey. Observations on some of the 

 Trap Eidges of the East Haven-Branford Region, with a map, 361. — F. 

 W. Clarke. A Theory of the Mica Group, 384.— W. S. Yeates. Pseu- 

 domorphs of Native Copper after Azurite, from Grant County, New 

 Mexico, 405.— C. A. White. The Lower Cretaceous of the South-west, 

 and its relation to the underlying and overlying formations, 440. — W. H. 

 Dall. On the Hinge ofPelecypods and its Development, with an attempt 

 toward a better subdivision of the group, 445. — E,. T. Hill. Relation of 

 the Uppermost Cretaceous Beds of the Eastern and Southern United 

 States ; and the Tertiary-Cretaceous Parting of Arkansas and Texas, 468. 

 — W. E. Hidden and J. B. Mackintosh. A description of several Yttria 

 and Thoria Minerals from Llano County, Texas, 474. — 0. C. Marsh. The 

 Skull of the Gigantic Ceratopsid?e, 501. 



New Haven. American Journal of Science. Ser. 3. Vol. xxxix. 

 Nos. 229-234. 1890. 

 H. S. Williams. The Devonian System of North and South Devon- 

 shire, 31. — W. H. Seamon. The Zinciferous Clays of South-westMissouri, 

 and a Theory ?>s to the growth of the Calamine of that section, 38. — J. D. 

 Hawkins. On Minium from Leadville, 42. — W. P. Blake. Mineralo- 

 gical NoteS; 43. — F. A. Genth. Contributions to Mineralogy, 47. — T. 

 Mellard Reade. Origin of Normal Faults, 51.^ — L. G. Eakins. A new 

 Stone Meteorite, 59. — E. S. Dana. On the Barium Sulphate from Per- 

 kins' Mill, Templeton, Province of Quebec, 61. — O. C. Marsh. Descrip- 

 tion of New Dinosaurian Reptiles, 81. — D. White. On Cretaceous Plants 

 from Martha's Vineyard, 93.— C. D. Walcott. A Review of Dr. R. W. 

 Ells's Second Report on the Additional Notes on the " Quebec Group," 

 101. — F. A. Genth and S. L. Penfield. On Lansfordite, Nesquehonite, 

 a new Mineral and Pseudomorphs of Nesquehonite after Lansfordite, 121. 

 — A. R. C. Selwyn and G. F. Matthew. Tracks of organic origin in rocks 

 of the Animikie Group, 145. — J. D. Dana. Sedgwick and Murchison : 

 Cambrian and Silurian, 167. — G. M. Dawson. Notes on the Cretaceous 

 of the British-Columbian Region, 180. — G. H. Williams. Celestite from 

 Mineral County, West Virginia, 183. — G. J. Brush and E. S. Dana. On 

 the Mineral Locality at Branchville, Connecticut, with analyses by H. L. 

 Wells, 201.— F. Cramer. On a recent Rock-flexure, 220.— E. Orton. 

 On the Origin of the Rock-pressure of the Natural Gas of the Trenton 

 Limestone of Ohio and Indiana, 225. — J. C. Branner. The ^olian Sand- 

 stones of Fernando de Noronha, 247. — N. H. Darton and J. S. Diller. 

 On the occurrence of Basalt Dikes in the Upper Paleozoic series in Central 

 Appalachian Virginia, 269. — W. F. Hillebrand and E. S. Dana. Ad- 

 ditional Notes on the Tyrolite from ITtah^ 271. — W. S. Bayley. The 

 Origin of the Soda-granite and Quartz-keratophyre of Pigeon Point, 273. 

 — W. E. Hidden and J. B. Mackintosh. On the occurrence of Polycrase, 

 or of an allied species, in both North and South Carolina, 302. — R. S. 

 Tarr. Origin of some Topographical Features of Central Texas, 306. — 

 G. F. Becker. A elementary proof of the Earth's Rigidity. — G. H. 

 Williams. On the Hornblende of St. -Lawrence County, N.Y., and its 

 Glidiug Planes, 352. — A\'. Cross. Note on some secondary minerals of 

 the Amphibole and Pyroxene groups, 359. — S. L. Penfield. On Spaugo- 

 lite, a new Copper Mineral, 370. — J. D. Dana. Archsean axes of Eastern 

 North America, 378. — F. .T. H. Meriill. On the Metamorphic Strata of 

 South-eastern New York, 383. — L. G. Eakins. Meteoric Iron from North 

 Carolina, 395. — O. C. Marsh. Distinctive Characters of the order Hal- 

 lopoda, 415. — 0. C. Marsh. Additional Characters of the Ceratop.'^idae, 

 with notice of New Cretaceous Dinosaurs, 418. — W. E. Hidden and S. L. 



