Davis: Louis P. Gratacap ^21 



List of Papers and Miscellaneous Notes by L. P. Gratacap in the 

 Proceedings of the Natural Science Association of Staten Island 



Remarks on Silver Lake. Vol. i, ,p. 11. Sep. 13, 1884. 



Chlorides in the rainfall of Staten Island for 1884. Vol. i, p. 19. Mar. 



14, 1885. 

 Notes on the composition of our beach sands. Vol. i, p. 27. Dec. 



12, 1885. 



Remarks on the drift fossils of Staten Island. Vol. i, p. 46. Jan. 8, 1887. 



Preliminary list of Palaeozoic fossils found in the drift of Staten Island. 

 Vol. I, p. 51-52. Mar. 1887. 



Notes on the origin of the serpentine rock of Staten Island. Vol. i, p. 

 55. May 14, 1887. 



Remarks on the temperature of certain Staten Island springs. Vol. i, 

 p. 62. Feb. II, 1888. 



Relation between the growth and form of leaves. Vol. 2, p. 3. Dec. 



8, 1888. 



Account of fossils from a drift boulder of Oriskany sandstone. Vol. 2, 

 p. 7. Mar. 14, 1889. 



Remarks on specimens of quartz geodes and limonite concretions from 

 the iron mines near Four Corners. Vol. 2, p. 44-45- Mar. 13, 1890. 



Notes on an examination of the water of the Staten Island Water Sup- 

 ply Co. Vol. 2, p. ^2, yi- Feb. 14, 1891. 



Memorandum on Lymnea palustris. Vol. 2, p. 79-80. May 9, 1891. ^ 



Notes on certain mineral constituents of the Staten Island and New 

 Jersey trap rock. Vol. 2, p. 81. June 13, 1891. 



Note on trap dike of Staten Island and its influence on the water supply. 

 Vol. 3, p. 5-6. Dec. 12, 1891. 



Fossils recently found in drift boulders on Staten Island. Vol. 3, p. 

 9-10. Feb. 13, 1892. 



Notes on berries of Smilax rotundifolia. Vol. 3, p. 27. Dec. 17, 1892. 



Note on the effect of the growth of seaweed on rocks along the shore of 

 Staten Island. Vol. 3, p. 27-28. Dec. 17, 1892. 



Additional determinations of Schoharie fossils from the drift. Vol. 4, 

 p. 7. Dec. 9, 1893. 



Additions to the drift fossils of Staten Island. Vol. 4, p. 16-17. Mar. 

 10, 1894. 



The significance of the accumulation and distribution of boulders on the 

 north shore of the island. Vol. 7, p. 13-14. Apr. 8, 1899. 



Note on Erythrotiium americanum Ker. Vol. 7, p. 18. May 13, 1899. 



Notes on the Limonite Beds on Ocean Terrace. Vol. 7, p. 28, 29. Dec. 



9, 1899- 



Are the Kreischerville clays all Cretaceous in age? Vol. 7, p. 38-39. 

 May 12, 1900. 

 The Clove Valley Pleistocene lake basin. Vol. 8, p. 3-4. Jan. 12, 1901. 



