4o DONS. — AVRIL, MAI ET JUIN I904 



Emerson and Loomis. Stegomus longipes, a New Reptile from the Triassic 

 Sandstones of the Connecticut Valley, 377-880. — Lull. Note on the probable 

 Footprints of Stegomus longipes, 38r-382. — Ward. Canyon City Météorite 

 from Trinity County, California, 383-384. — Wright. Two Microscopic- 

 Petrographical Methods, 385-391. — loa : Riggs. Dinosaur Footprints from 

 Arizona, 423-424- — Richards. New Habit for Chalcopyrite, 425-426. — Ster- 

 RETT. Tourmaline from San Diego County, California, 459-465. 



— New- York. A. ofthe New-York Ac. of Se, XIV, 4, 1904. 



FiNLAY. The Geology of the San José District, Tamaulipas, Mexico, 247-296. 



— B. Am. Mus. N. Hat., XIX, 1908. 



Hay. On certain Gênera and Species of North American cretaceous Acti- 

 nopterous Fishes, 1-96. — Hitchcock. Notice on a Species of Acidaspis from 

 a Boulder of Marcellus Shale, Found in drift, at west Bloomlield, New 

 Jersey, 97-98. — Matthew. The Fauna of the Titanotherium Beds at Pipes- 

 tone Springs Montana, 198-226. — Id. A. Fossil Hedgehog from the American 

 Oligocène, 227-230. — Hay. On a Collection of Upper Cretaceous Fishes from 

 Mount Lebanon, Syria, with Descriptions of Four New Gênera and Nineteen 

 New Species, 390-462. — B. Brown. A. New Species of Fossil Edentate from 

 the Santa Cruz Formation of Patagonia, 453-458. — - Osborn. Ornitholestes 

 hermanni, a New Compsognathoid Dinosaur from the Upper Jurassic, 

 459-464. — Gidley. a New Three-toed Horse, 460-476. — Id. On Two species 

 of Platy-gonns from the Pliocène of Texas, 477-482. — Whiteielo. Notice of 

 Six New Species of Unios of the Laramie Group, 483-488. — Id. ObserA^ations 

 on a remarkable Spécimen of Haly sites and description of a New Species of 

 the Genus, 489-490. — Id. Glyptotherium texaniim, s New glyptodont, from 

 the Lower Pleistocene of Texas, 49^-494- — ^- Brown. A New Genus of 

 Ground Sloth from the Pleistocene of Nebraska, 569-684. — Gidley. The 

 Fresh-Water Tertiary of Northwesthern Texas, American Muséum Expédi- 

 tions of 1899-1901, 617-636. — Swann Lull. SkuU of Triceratops serratûs, 

 686-696. — OsBORN. The Skull of Creosaiirus, 697-701. 



— Anniial report of the Am. Mus. ofN. Hat., 1903. 



— Mem. Am. Mus. H. Nat., I, 8, 1908. 



OsBORN. The Reptilian Subclasses Diapsida and Synapsida and the Early, 

 History of the Diaptosauria, 45i-5i7. 



— Science, XIX, 48i-494» i9o4- 



490 : Dean. A référence to the origin of Species in an early letter {1796) 

 signed by both Lamark and Geoffroy, 798-800. — Heilprin. The Nature of 

 the Pelée tower. 8oo-8or. — 494 ' Gilbert. The Mechanism of the Mont 

 Pelée Spine, 927-928. 



— Trans. Am. Inst. Min. Engineers, XXXIII, 1903. 



Ghurcu. The Tombstone, Arizona, Mining District, 3-37. — Blake. Diatom- 

 Earth in Arizona, 38-45. — William, The Manganèse Industry of the Depart- 

 ment of Panama, Republic of Colombia, 197-234. — Finlay. The Mining 

 Industry of the Cœur d'Alênes, Idaho, 236-271. — Spurr. A Considération 

 of Igneous Rocks and their Ségrégation or Differentiation as Related to the 

 Occurrence of Ores, 288-339. — Adams. Principles Controlling tho Géologie 

 Déposition of the Hydrocarbons, 34o-346. — Yung and Me Caefery. Ore- 

 Deposits of the San-Pedro District, New Mexico, 35o-362. — Scott. The 

 Gold-Field of the State of Minas Geraes, Brazil, 4o6-444- — Purington 



