NORTH AMERICAN GEOLOGY. 



467 



[Heer, Oswald] — Continued. 



Flora fossilis Alaskana, 



Kongl. Svenska Vetenskapa-Akad., Hand- 

 liugar, vol. 8, pp. 1-40, 10 plates, 1871. 



Heilprin, A. On the stratigrapliical evi- 

 dence afforded by the Tertiary fossils 

 of the peninsula of Maryland. 



Philadelphia, Acad. Sci., Proc, [vol. 32], 

 pp. 20-33, 1881. 



On some new lower Eocene Mollusca 



from Clarke County, Ala., with some 

 points as to the stratigraphical posi- 

 tion of the beds containing them. 



Philadelphia, Acad. Sci., Proc, vol. 32, pp. 

 364-375, 1881. 



Note on the approximate position of 



the Eocene deposits of Maryland. 



Philadelphia, Acad. Sci., Proc, 1881 [vol. 

 33], pp. 444-447, 1882. 



Notes on the Tertiary geology of the 



southern United States. 



Philadelphia, Acad. Sci., Proc, 1881 [vol. 33], 

 pp. 151-159, 1882. 



Synchronism of geological forma- 

 tions. 



Science, vol. 2, pp. 661-662, 794-795 (J p.), 

 vol. 3, pp. 60-61, 1883. 



On the age of the Tejon rocks of 



California and the occurrence of ammo- 

 nitic remains in Tertiary deposits. 

 Philadelphia, Acad. Sci., Proc, vol. 34, pp. 

 196-214, 1883. 



On the occurrence of nummulitic 



deposits in Florida and the association 

 of nummulites with afresh-water fauna. 

 Philadelphia, Acad. Sci., Proc. [vol. 34], 

 pp. 189-193, 1883. 



Abstract, Am. Jour. Sci., 3d series, vol. 24, 

 p. 294 (i p.), 1882; vol. 25, p. 158 (J p.), 1583. 



On the relative ages and classifica- 

 tion of the post-Eocene Tertiary depos- 

 its of the Atlantic Slope. 



Philadelphia, Acad. Sci., Proc. [vol.34], pp. 

 160-186, 1883. 



Abstracts, Am. Nat., vol. 17, pp. 308-309 

 (§ p.), 1883; Am. Jour. Sci., 3d series, vol. 24, 

 pp. 228-229, 1882. 



On the occurrence of ammonites in 



deposits of Tertiary age [in California] . 

 Philadelphia, Acad. Sci., Proc. [vol. 34], p. 

 94, 1883. 



Discussed by J. S. Newberry, ibid., pp. 194^ 

 195, 1883. 



The Tertiary geology of the eastern 



and southern United States. 



Philadelphia, Acad. Sci., Jour., vol. 9, part 

 1, pp. 115-154, map, 4=, 1884. 



Heilprin, A.— Continued. 



[Remarks on gulf Tertiaries.] 



Am. Nat., vol. 18, p. 562 (i p.), 1884. 

 The synohroni sm of geological forma- 

 tions. 



Philadelphia, Acad. Sci., Proc [vol. 35], 

 pp. 197-200, 1884. 



[Remarks on Florida Tertiary.] 



Science, vol. 3, p. 607 (J p.), 1884. 



The ice of the Glacial period. 



Philadelphia, Acad. Sci., Proc. [vol. 35], 

 pp. 46-47, 49, 69-70, 1884. 



Abstract, Am. Nat., vol. 17, pp. 578, 905-906 

 (i p.), 1883. 



Contribution to the Tertiary geology 



and paleontology of the United States, 

 117 pages, map, 4°, Philadelphia, 1884. 



[Remarks on fossils from Laredo, 



Tex.] 



Kead to Philadelphia, Acad. Sci. 

 Am. Nat., vol. 18, p. 334 (7 lines), 1834. 



Examination of fossiliferous pebbles 



from near East Park Reservoir, Phila- 

 delphia. 



Eead to Philadelphia, Acad. Sci., December, 

 1884. 

 Am. Nat., vol. 19, p. 432 (J p.), 1883. 



[Glacial action in Labrador.] 



Eead to Philadelphia, Acad. Sci., October, 

 1885. 

 Science, vol. 6, p. 388 (i p.), i°, 1885. 



The classification and paleontology 



of the United States Tertiary deposits. 

 Science, vol. 5, pp. 475-476; vol. 6, pp. 83-84, 

 1885. 



Town geology, the lesson of the 



Philadelphia rocks, 134 pages, 7 plates, 

 12°, Philadelphia, 1885. 



[On grouping of phosphate beds in 



Oligocene with Jackson and Vicksburg 



beds.] 



Eead to Philadelphia, Acad. Sci., May, 1885. 

 Am. Nat., vol. 19, p. 929 (6 lines), 1885. 



[Pebbles from boring on Blacks Is- 

 land, Philadelphia.] 



Eead to Philadelphia, Acad. Sci., March, 

 1885. 

 Am. Nat., vol. 19, p. 834 (5 lines), 1885. 



[Fossiliferous pebbles in drift at 



Tacony, Pa. 



Eead to Philadelphia, Acad. Sci., December, 

 1885. 

 Science, vol. 6, p. 543 dVp-), 4°, 1885. 



— — [Shell from mouth of Manatee 

 River, Fla.] 



Science, vol. 6, p. 499 (J p.), 1885. 



