— 45 — 



September 1870. 



p. 213. Bell, On some new or little-known sliells of the Crag formations. 

 p. 267. Morse, The Brachiopoda a division of Aunelida. 



November 1780. 



p. 368. W. Blcmford, On Georissa, Acmella (Cyclostoma tersiim Bens.), 



Fricnla and Cyathopoina. 

 p. 423. Searles V. Wood, On Astarte excurrens and A. modesta. 

 p. 424. Gicyn Jeffreys, Helix personata Lam. 



Videnskabelige Meddelelser fra Naturhistorisk Forening i Kjöben- 

 havn for Aaret 1868. 



p. 185. Mörch, Faunula Molluscornm Islandiae. 



p. 228. Mörch, Tillaeg til Faunnla Molluscornm Insularum Faröensium. 



American Journal of Conchology. Vol. VI. Part II. 1870 — 71. 



p. 88. Dcdl, A revisLon of the Terebratnlidae and Lingulidae, with remarks 



on and descriptions of some recent forms. 

 p. 169. Dali Review: Notes on lingual dentition of Mollusca, by W. G. 



Binney and Thomas Bland, 

 p. 172. Redfiekl, Rectification of the synonymy of certain species of Mar- 



ginella. 

 p. 174. Notices and reviews of new conchological works. Appendix. 



p. 215. Redfiehl, CatalogiTe of the kuown species, receut and fossil, of the 



family Marginellidae. 

 p. 271. Brot, Catalogi;e of the recent species of the family Melanidae. 



Sitzungsbericht der Gesellsch. naturf. Freunde zu Berlin. Juli 1870. 



p. 47. Dönitz, Ueber die. vermeintlichhe Stammverwandtschaft zwischen 

 Ascidien und Wirbelthieren. 



Isaac Leu^ Index to Vol. XII. and supplementary Index to Vols. 

 I — XI. of Observations on the genus Unio, together with 

 description of new species of the family Unionidae, and 

 description of new species of the Melanidae, Paludinae, 

 Helicidae, ct. read before the American philosophical 

 Society and the Academy of natural sciences of Phila- 

 delphia, from 1827 to 1868. Philadelphia 1869. 



Troschel. 



Bericlit über die Senckenbergisehe naturforschende Gesellschaft 

 1869—70. Frankfurt 1870. 



p. 33. NoU, D. F. C, Unsere Flussmuscheln, (Najaden). Ihre Entwicklung 



und ihre Beziehungen zur übrigen Thierwelt. 

 p. 65. Kobelt, das Gebiss der Weichthiere und seine Bedeutung für die 



systematische Eintheilung. 



