17 



LIST OF PAPERS AND BOOKS WRITTEN 

 BY GEORGE W. TRYON JR. 



On the mollusca of Harper's Ferry, Va. Proc. Acad. Nat. Sc. 

 Philad. 1861, pp. 396-399. 



Synopsis of the recent species of Gastrochsenidse, a family of 

 acephalous mollusca. Proc. Acad. Nat. Sc. Philad. 1861, pp. 465- 

 494. 



On the classification and synonymy of the recent species of Phola- 

 didffi. Proc. Acad. Nat, Sc. Philad. 1862, pp. 191-220. 



Description of a new genus, (Diplothyra) and species of Phola- 

 didse, (Dactylina Chiloensis.) Proc. Acad. Nat. Sc. Philad. 1862, 

 pp. 449-450. 



Notes on American Fresh Water Shells, with descriptions of two 

 new species (Vivipara Texana, Amnicola depressa.). Proc. Acad. 

 Nat. Sc. Philad. 1862, pp. 451-453. 



Monograph of the family Teredidse. Proc. Acad. Nat. Sc. Philad. 



1862, pp. 453-482. 



Contributions towards a monography of the order of Pholadacea, 

 with descriptions of new species. Proc. Acad. Nat. Sc. Philad. 



1863, pp. 143-146. 



Descriptions of two new species of Fresh Water mollusca, from 

 Panama, (Planorbis Fieldii, Amnicola Panamensis,). Proc. Acad. 

 Nat. Sc. Philad. 1863, p. 146. 



Description of a new Exotic Melania, (M. Helense.). Proc. Acad. 

 Nat. Sc. Philad. 1863, pp. 146-147. 



Descriptions of new species of Fresh Water Mollusca, belonging 

 to the families Amnicolidse, Valvatidse, and Limnseidse, inhabiting 

 California. Proc. Acad. Nat. Sc. Philad. 1863, pp. 147-150. 



Description of a new species Pleurocera (P. plicatum.). Proc. 

 Acad. Nat. Sc. Philad. 1863, pp. 279-280. 



Description of a new species of Teredo, (T. Thomsonii) from New 

 Bedford, Mass. Proc. Acad. Nat. Sc. Philad. 1863, pp. 280-281. 



Descriptions of two new species of Mexican Land-Shells, (Helix 

 Remondi, Cyclotus Cooperi.). Proc. Acad. Nat. Sc. Philad. 1863, 

 p. 281. 



Synonymy of the species of Strepomatidse, a family of Fluviatile 

 Mollusca, inhabiting North America. Proc. Acad. Nat. Sc. Phi] ad. 

 1863, pp. 306-322. 



