6o DONS. JUILLET, AOUT ET SEPTEMBRE I904 



The colossal Bridges of Utah, 189-192. — Hind. The type of Aviculipecten, 

 200-201 . 



— Morgantowa. West Virginia Geol. Surç. la, 1904. 



White. Petroleum and Natural gas ; précise levels. 



— New-Haven. The Am. J. of Se, XVIII, loS-ioS, 1904. 



io3 : Beegher. Note on a New Perinian Xiphosuran from Kansas, 28-24. — 

 Kraus. Occurrence of Gelestitenear Syracuse, N. Y., So-Sg. — Ward. Famous 

 Fossil Cycad, 4o-52. — Sterrett. New Type of Galcite from the Joplin Mining 

 District, 73-76. — Rowe. Pseudomorphs and Crystal Cavities, 80-81. — 

 104 ■ Sellards. Study of the structure of Paleozoic Cockroaches, with Des- 

 criiîtions of New Forms from the Goal Measures, ii3-i34. — Parks. Remar- 

 kable Parasite from the Devonian Rocks of the Hudson Bay Slope, i4i-i44- 



— Eastman. Asterolepid Appendages, i4i-i44- — io5 : Ghalmers. Geomorphic 

 Origin and Development of the Raised Shore Lines of the St-Lawrence 

 Valley and Gi^eat Lakes, 175-179. — Wieland. Structure of the Upper Greta- 

 ceous Turtles of New Jersey : Lytoloma, 183-196. — Sellards. Study of the 

 Structure of Paleozoic Gockroaches, with Description of News Forms from 

 the Goal Measures, 2i3-225. 



— New- York. A. ofthe New-York Ac. ofSc.,XY, 2, 1904. 



— Science. XIX, 49^ ;.XX, 496-509, 1904. 



4g6 : HovEY. Mont Pelé from october 20 1903, to May 20 1904, 28-24. — 

 Ward. The Pteridospermaphyta, 2,5-26. — /^gy-^gS : Berry. A notable Paleo- 

 botanical Discovery, 56-57, 86-87. — 5oo : Coulïer. Pteridosperniaphj'-ta, 149. 



— 5o3 : Eastman, Jordan. On Fossil Labroid and Ghœtodont Fishes. — 5o4 '■ 

 Bowman. Deflection of the Mississippi, 278-277. — WxVrd. Paleozoic seed 

 plants, 279-281. — HovEY. The Soufrière of St-Vincent in july 1904, 281-282. 



— 5o6 : Peterson. Récent observations upon Dsemonelix, 3^4-^45. 



— Philadelphie. P. ofthe Ac Nat. Se. of Philadelphia, LVI, 

 I, 1904. 



Ghapman. Observations on Tiipaia, with reflexions on the origin of Pri- 

 mates, i48-i56. 



— P. American phil. Soc, XLIII, 176, 1904. 



OsRORN. Récent advances in Our Knowlegde ofthe Evolution ofthe Horse, 

 i56. — Brezina. The arrangement of collections of météorites, 211-247. 



— Washington. Ann. rep. Smithsonian inst., 1902. 



— Smith. Âliscellaneous coll. XLIV, 1417 ; XLV (Quaterly issue 

 I, 3-4) ; XLVI, i44i ; XLVII (Quaterly issue II, i), 190^;. 



XLIV : Grabau. Phylogeny of Fusiis audits Allies, 167 p. — XLV : Ulrich 

 et Bassler. a Revision of the Paleozoic Bryozoa ; I. Ctenostomata, 256-294. 



— Phalen. a New Occurrence of Unakite, a Preliminary paper, 3o6-3i6. — 

 Lucas. The Dinosaur Trachodon annectens, 317-820. — ^ Lyon. Glassiflcation 

 of the Hares and their Allies, 821-447- — XL VII : Ulrk-h et Bassler. A Revi- 

 sion of the Paleozoic Bryozoa; II, Trepostoniata, i5-5d. — El. Wood. On 

 New and Old Middle Devonic Crinoids, 56-84 



— B. Phil. Soc of Washington, XIV, 247-276. 



— B. U. S. geol. Surp., 223-232, 1904. 



223 : Adams. Gypsum Deposits in the United States, 180 p. — ssô : Emmons 



