1888.] natural sciences of philadelphia. 413 



List of Papers and Books written 

 BY George W. Tryon Jr. 



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

 Philad. 1861, pp. 396-399. 



Synopsis of the recent species of Gastrochrenidpe, a family of 

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

 494. 



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

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



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

 didoe, (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 Aranicolidje, Valvatidse, and Limnteidse, inhabiting 

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



Description of a new species Pleurocera (P. j)licatum.). 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 Strepomatidie, a family of Fluviatile 

 Mollusca, inhabiting North America. Proc. Acad. Nat. Sc. Philad. 

 1863, pp. 306-322. # 



