33 



Prof. S. LOCKWOOD (the author), New Jersey. 

 " Raising Diatoms in the Laboratory." 



CHAS. E. BEECHER (the author), New Haven, Conn. 



" A Spiral Bivalve Shell from the Waverly Group of Pa." 

 Prof. A. S. PACKARD (the author), Providence, R. I. 



" On the Syncarida, a hitherto undescribed Synthetic Group of extinct 

 Malacostracous Crustacea." 



" On the Carboniferous Xiphosurous Fauna of North America." 



Prof. E. C. PICKERING, Director, Cambridge, Mass. 

 Forty-first Annual Report. 1887. 

 " Height of the White Mountains." 

 " Harvard College Observatory. Boyden Fund." 



Henry Draper Memorial. 1st Annual Report Photographic Study of 

 Stellar Spectra. 



F. H. CARPENTER, Editor, Boston, Mass. 



Publication of the Bristol Co. Ornithological Club. No. 2, 3. 



Ornithologist and Oologist. Vols. IX, X, XI, 1884-86 ; XII, 1, 2, 

 3, 4, 1887. 

 Prof. JULES MARCOU (the author), Cambridge, Mass. 



" On the use of the name Taconic." 

 Miss A. WARREN, through J. Warren, Boston, Mass. 



Mastodon giganteus of North America. 



D. G. BRINTON, M.D. (the author), Philadelphia, Pa. 



" The Phonetic Elements in the Graphic System of the Mayas and 

 Mexicans." 



Address before the Section of Anthropology. A. A. A. S. 

 W. A. MARSH, Aledo, Illinois. 



Catalogue of Unioes in the Cabinet of W. A. Marsh. 

 Prof. E. W. CLAYPOLE, Akron, Ohio. 



" Organic Variation Indefinite, not Definite, in Direction — Outcome 

 of Environment." 

 J. M. SOUTHWICK, Providence, R. I. 



Random Notes on Natural History. Vol. I, 8-12 ; II, 4, 6, 8-12 ;1II. 

 U. P. JAMES (the author), Cincinnati, Ohio. 



" On the Monticuliporoids of the Cincinnati Group." 

 A. W. BUTLER (the author), Brookville, Ind. 



" Some Notes on Indiana Amphibians and Reptiles." 



E. E. THOMPSON (the author), Toronto, Can. 



" A List of the Mammals of Manitoba." 



L'ABBE PROVANCHER (the editor), Cap Rouge, Can. 



Le Naturaliste. Vol. XV, 1885 ; XVI, 1886 ; XVII, 1, 2-6, 1887. 



W. M. DAVIS (the author), Cambridge, Mass. 



" On the Methods of Study of Thunder-storms." 



" Thunder-storms in New England in the Summer of 1885." 



" Brief Notices of Papers read before the Geological Section of the 



American Association." 

 " Mechanical Origin of the Triassic Monoclinal in the Connecticut 

 Valley." 



G. F. BECKER (the author), California. 



" The Texture of Massive Rocks." 



" Natural solutions of Cinnabar, Gold and associated sulphides." 

 T. L. CASEY (the author), San Francisco, Cal. 



" On some new North American Pselaphidae." 



