176 LIST OF CONTRIBUTORS. 



Tyron, George W., Jr. Continued. 



Description of a new exotic Melania, P '63, 146 



Descriptions of two new species of fresh-water Mollusca from 



Panama. P '63, 146 



Description of new species of fresh-water Mollusca, belong- 



ing to the families Amnicolida?, Valvatidse, and LimnaeidEe, in- 

 habiting California. P '63, 147 



— Description of a new species of Pleurocera. P '63, 279 



— Description of a new species of Teredo from New Bedford, 

 Mass. P '63, 280 



— Descriptions of two new species of Mexican land shells. 



P '63, 281 



— Synonymy of the species of Strepomatidae, a family of flu- 

 viatile Mollusca inhabiting North America, P '63, 306 



— Synonymy of the species of Strepomatidae, a family of 



fluviatile Mollusca inhabiting North America. P '64, 24, 92; 

 '65, 19 

 — Catalogue and synonymy of the recent species of the family 



Lucinidae. P '72, 82 



— Catalogue of the family Chamidse. P 72, 116 



— Catalogue of the family Chametrachaeidge. P '72, 120 



— Descriptions of new species of marine bivalve Mollusca. P 

 '72, 130 



— Catalogue and synonymy of the family Galeommidae. P'72, 222, 



— Catalogue and synonymy of the family Leptonidae. P '72, 227 



— Catalogue and synonymy of the family Laseidae, P '72, 229 



— Catalogue and synonymy of the family Astartida?. P '72, 245 



— Catalogue of the family Solemyidae. P '72, 258 



— On a collection of shells from Utah. P '73, 285 



Tuomey, M. Notice of the discovery of a crania of the Zeuglodon. 

 P '47, 151 



Descriptions of some fossil shells from the tertiary of the 



Southern States. P '52, 192 



Descriptions of some new fossils from the Cretaceous rocks 



of the Southern States. P '54, 167 

 — Notice of the discovery of a cranium of the Zeuglodon. 



(Basilosaurus). J I, 16 

 Tyson, James. On haemin crystals. P '68, Biol. 3 



On preservative fluids for microscopic preparations. P '69, 



Biol. 1 



On preservative fluids. P '69, Biol. 20 



