7^0 SCIENTIFIC KECOKD FOR 1885. 



Part I. The genealogical relations of the species. In the first part 

 the author characterizes and partly describes the following new species: 

 Discofiustrellaria Jacksonensis, Limopsis radiatus, Astarte sulcata, var. 

 Jachsonensis, A. (Micromeris) parva Lea, var, Vicksburgensis, Venericar- 

 dia diver sidentata, V. parva Lea, var. Jachsonensis, Y. inflatior, V. in- 

 -flatior var. Jachsonensis, Cytherea Jachsonensis, Tellina Vichsburgensis 

 Conrad, var. robusta, Periploma Claibornensis Lea, var. parva, Mactra 

 inornata, Corbula Willistoni, Dentalium subcompressum, D. Leai, D. 

 Danai, Cadulus Jachsonensis, G. Vichsburgensis, Teinostoma suhrotunda, 

 T. angularis, T. Verrilli, JSfatica decipiens, Distortrix Jachsonensis, Fusns 

 Bcettgeri, Turbinella humilior, Fulgur filius, Marginella incurva Lea, var. 

 Jachsonensis, Oliva media, Pleurotoma exculpata, Conus protracta, C. 

 Jachsotiensis, Actccon annectens. Gives a table showing the successional 

 relations of the Vicksburg, Jackson, and Claiborne species. 



Part II. The age of the Vicksburg and the Jackson beds. This part 

 is mostly made up of bibliographical extracts and the author's inter- 

 pretation of former writers' works 5 he describes the new species Scal- 

 pellum Eocenense from stratum b of the Claibornian. The author's views 

 the relative ages of the formations have already been cited above. 



Part III. Reply to criticisms. The author defends his views against 

 the criticisms of E. W. Hilgard, E. A. Smith, and T. H, Aldrich, in the 

 October number of the Amer. Jour. Sci. 



Meyer, Otto. — (The Genealogy and Age of the Species in the Southern 

 Old Tertiaries.) JSfature, \o\. xxxii,]).S5S. 1885. London and !N^ew 

 York. 



Notice of Dr. Meyer's paper in the Amer. Jour. Sci., parts i and ii. 



Meyer, Otto.— The Classification and Palaeontology of the U. S. Ter- 

 tiary Deposits. Science, vol. v, No. 125, p. 516. June, 1885. Cam- 

 bridge. 



Mr. Meyer refers people interested in his article to the second part of 

 it in the July number of the American Journal. 



Meyer, Otto.— The Classification and Palaeontology of the U. S, Ter- 

 tiary Deposits. Science, vol. vi. No. 133, pp. 143, 144. August, 1885. 

 Cambridge. 



An answer to Mr. AngeloHeilprin's criticism on his work, published 

 in Science, July 31, 1885. 



Neumayr, M.— J. E. Whiteaves: On the Fossils of Coal-Bearing De- 

 posits of the Queen Charlotte Island, collected by Dr. G. H. Dawson 

 in 1878. Geological and Natural History Survey of Ganada. Mesozoic 

 Fossils, vol. I, part 3. 1884. Montreal. On the Lower Cretaceous 

 Rocks of British Columbia, Transactions of the Boyal Society of Canada, 

 Sect, iv, 1882, S. 81. ]!^eu. Jalirb. fur Min. Geol. & Pal, 1885, Band 

 ii, pp. 115-117. Stuttgart. (Abstract.) 



