77 



[l 9 00.]: 



OPPENHEIM, P., 8. Palaontologische Miscellaneen. III. 1. Uebev eine riesige 

 Pema (PacJij/pema n. sbg. laverdana n. sp.) aus dem Alttertiar Venetiens und 

 die ubrigen Perniden des Gebietes. Zeitschr. deutsch. geol. Gesellsch. lii. 

 pp. 237-326, pis. ix-xi. 1900. 



9. Zuv Kenntniss der alttertiaren Binnenmollusken Siidost-Frankreichs. 



Ibid. pp. 390-394. 1900. 



. See Stefani, C. de. 



O'EEILLY, J. P. On the Epidiorite and Mica-Schists of Killiney Park, Co. Dublin. 



Prqe. Roy. Irish Acad. ser. 3, vi. pp. 19-25, pis. iii & iv. 1900. 

 ORDONEZ, E. Les Volcans du Valle de Santiago. Mem. Soc. cient. 'Ant. Alzate,' 



xiv. pp. 299-327, pis. iv-ix. 1900. And A.C. 

 & E. Bcese. Note sur la Geologie de la A T allee de Chilpancingo, Guerrero. 



Ibid. pp. 5-14, figs. 1899. 

 , & M. Rangel. El Real del Monte. Sol. Inst. Geol. Mexico, no. 12. pp. 1- 



105, figs., pis. i-xxi, & 4 sheets of Maps and sections. 1899. 

 ORMEROD, H. M. See Obit., Barnes, C. 



ORTMANN, A. E. Synopsis of the Collections of Invertebrate Fossils made by the 

 Princeton Expedition to South Patagonia. [With Diagnoses of New Species.]. 

 Am. Journ. Set. ser. 4, x. pp. 368-381. 



ORTON, E. (the late). Geological Structure of the Iola Gas Field. Bull, Geol. 

 Soc. Am. x. pp. 99-106, pi. xi. 1899. 



. See Obit., White, I. C. 



OSANN, A. Versuch einer cheniischen Classification der Eruptivgesteine. I. Die 



Tiefengesteine. Min. petr. Mitth. xix. pp. 351-469, pis. iv-viii. 1900. 

 . See Andrew, A. 



OSBORN, H. F. A Complete Mosasaur Skeleton, Osseous and Cartilaginous. Mem. 



Am. Mus. Nat. Hist. i. pp. 165-188, figs., pis. xxi-xxiii. 1899. 



2. A Skeleton of Diplodocus. Ibid. pp. 189-214, figs., pis. xxiv-xxviii. 1899. 



3. On the Relation of the Centra and Intercentra in the Cervical Vertebras of 



Lizards, Mosasaurs, and Sphenodon. [Abstract.] Ann. NY. Acad. Sci. xii. 



p. 680. 1900. 



4. Fore and Hind-Limbs of Carnivorous and Herbivorous Dinosaurs from the 



Jurassic of Wyoming. Dinosaur Contributions, No. 3. Pull. Am. Mus. Nat. 

 Hist., NT. xii. pp. 161-172, figs. 1900. 



OSMOND, F. Sur la Crystallographie du Fer. Ann. Mines, Paris, ser. 9, xviL 

 Mem, pp. 110-165, pis. i-iv. 1900. 



OUSTALET, E. See Gattdrt, A., &c. 



OUTES, F. F. Apuntaciones para el Estudio de la Arqueologia argentina. [Stone-- 

 Implements.] An. Soc. cient. Argent. 1. pp. 135-139, pis. i-iii. 1900. 



OWEN, L. A. Les Cavernes de Ha Ha Tonka (Mo.). Svehinca, v. pp. 16-20, fig. 

 1899. 



PABST, W. Beitrage zur Kenntniss der Thierfahrten in dem Rothliegenden 



' Deutschlands.' Zeitschr. deutsch. geol. Gesellsch. lii. pp. 48-63. 1900. 

 PACKARD, A. S. View of the Carboniferous Fauna of the Narragansett Basin. 



Proc. Am. Acad. Arts Sf Sci, xxxv. pp. 399-405, figs. 1900. And A.C. 

 2. A New Fossil Crab from the Miocene Greensand Bed of Gay Head, Martha's 



Vineyard, with Remarks on the Phylogeny of the Genus Cancer. Ibid, xxxvi. 



pp. 1-9, pis. i & ii. 1900. And A.C. 

 3. On supposed Merostomatous and other Palaeozoic Arthropod-Trails, with 



Notes on those of limulus. Ibid. pp. 63-71. 1900. And A.C. 

 PACKARD, W. Coal-Deposits in Alaska. [Abstract.] Coll. Guard, lxxx. p. 1151. 



1900. 



PAGNIEZ, — . See Pesez, — &c. 



PALACHE, C. The Crystallization of the Calcite from the Copper-Mines of Lake 



Superior. Geol. Surv. Mich. 1893-97, vi. pt. 2, pp. 157-184, pis. xi-xvi. 1898. 

 2. Notes on Tellurides from Colorado. [Sylvanite from Cripple Creek ;■ 



Goldschmidtite & Sylvanite ; & Hessite, Boulder Co.] Am. lourn. Sci. ser. 4, 

 ^ x. pp. 419-427, figs. 1900. 

 PALFY, M. Beitrage zu den geologischen und hydrologischen Verhaltnissen von 



. Szekely-Udvarhely. Foldt. Kdzl. xxix. pp. 6-12, 99-106. 1899. 

 2. Neuere Beitrage zur Geologie des Cserhat. Ibid. xxx. pp. 137-140, 177-181. 



1900. 



PALLARY, P. Sur des Helices bidentees de l'Oligocene algerien. Bull. Mus. 



Hist. nat. Paris, 1899, pp. 314-317. 1899. 

 2. Sur les Faunes fossiles de Mollusques Terrestres et d'Eau Douce de l'Algerie. 



Bull. Soc. geol. Prance, ser. 3, xxvii. pp. 374-376. 1899. 



