NATIONAL ACADEMY OF SCIENCES. 



BIBLIOGRAPHY. 



1864. Urntricru iioditloxa. Proc. Boston Soe. Nat. Hist., Vol. X, p. 10. 



Shells of Cephalopods. Ibid., p. 24. 



Observations on Polyzoa : Suborder Phylactolremata. Com- 

 munications read before the Essex Institute, Salem, Vol. IV. 

 pp. 197-228, with 9 plates. 



1860. The Agreement between the different Periods in the Life of the 

 Individual Shell and the Collective Life of the Tetra- 

 branchiate Cephalopocls. Proc. Boston Soc. Nat. Hist., Vol. 

 X, pp. 302-.,. 



1806-'67. Fresh-water Sponges. Proc. Essex lust.. Salem, Vol. V, 

 p. 59. 



The Temperature of Caves and Wells. Ibid., p. 84. 



The Affinities of the Beatrieea. Ibid., p. 187. 



Observations on Poly/oa : Suborder Phylactolttmiata. Com- 

 munications of the Essex lust.. Vol. V, pp. 97-112, 145-160, 

 193-232. 



1868. On the Absence of Distinct Marks of Glacial Action in Alaska. 



Proc. Boston Soc. Nat. Hist., Vol. XII, pp. 149-150. 

 The Development of the Nautiloids. Ibid., p. 217. 

 The Moss-animals or Fresh-water Polyzoa. Amer. Nat, Vol. I, 



pp. 57-64, 131-136, 180-186. 3 plates. 

 1X68-1871. Editor American Naturalist. 



1869. Rock Ruins (Niagara Falls). Amor. Nat., Vol. II. pp. 77-X5. 

 The Animal Nature of Sponges. /7m/., pp. 101-102. 

 Sponges. 7 7m/.. pp. 303-306. 



The Chasms of the Colorado. Ibid., pp. 359-305, 2 plates. 



1870. Raised Beach on Marblehead Neck. Bull. Essex Institute. Vol. 



II, p. 111. 



On a Disintegrating Rock at Salem. Mass. Proc. Essex Inst.. 

 Vol. VI, pp. 51-52. 



On Mr. Morse's Classification of the Brachiopods. Proc. Bos- 

 ton Soc. Nat. Hist. Vo-1. XIII, p. 417. 



On Reversions among the Ammonites. Ibid., Vol. XIV, pp. 

 22-43. 



Some Geological Features in the Vicinity of Salem, Mass. 



/bid., pp. 91-92. 

 1X71. On Atlantic Shore Changes. I hid., pp. 122-123. 



Allinilies of the ISrachiopnds and Poly/oa. Ibid., pp. 130-137. 



On Natural Selection. Ihld.. pp. 140-148. 



Report as Custodian for 1X71. Ibid., pp. 207-214. 



Catalogue of the Ornithological Collection of the Boston Society 

 of Natural History. Part I. /7m7., pp. 237-253. 



322 



