380 AMERICAN JOURNAL 



lineolata, Gld., and C. decolor, Gld., are conspecific, (teste type 

 specimens in Mus. Smiths.) 



Columbella, sp. ind., (like australis,) Pse., = C. araneosa, Gld., 

 var. It belongs to Amycla.) 



C. sagitta, Gask., is also an Amycla. In Mr. Pease's series 

 of specimens, the arrow-pattern gradually passes away. 



Sistrum seminodosum, Pse., = elatum, Blainv. var. 



Mitra brunnea, Pse., = Strigatella fuscescens, Pse., var. (teste 

 H. Cuming.) 



M. tessellata, Pse., = M. puetta, Eve. (teste H. Cuming.) 



Triton crenulatus, Pse., = Epidromus antiquatus, lids. 



Descriptions of Four New Scintillse and One New Pythina 

 from the Collection of Mr. H. Cuming. BY G. B. SOWERBY. 



Scintilla semiclausa, Borneo. 

 " lactea, " 



" rosea, Lizard Islands. 



" oblonga, Borneo. 



Pythina striatissima, " 



Descriptions of Two New Species of Gonus from the Collec- 

 tion of A. Cuming, and Two from the Collection of the 

 late Mr. Denisson. BY G. B. SOWERBY. 



Report on the Terrestrial and Fluviatile Mollusca of Pales- 

 tine. BY H. B. TRISTRAM. 



"The character of the Molluscan fauna of Palestine par- 

 takes, as might have been expected, of the same variety which 

 marks the other branches of its fauna and flora. There are, 

 however, fewer exceptions to its general character as a part of 

 the Mediterranean basin, and fewer traces of the admixture of 

 African and Indian forms. Northern types, especially of the 

 genus Clausilia, are frequent in the Lebanon and on its south 

 ern spurs in Galilee. The Molluscan fauna of the maritime 

 plains and the coast possesses no features distincL from those of 

 Lower Egypt and Asia Minor. The shells of the central re- 

 gion are scarce, and not generally interesting; while on the 

 borders of the Jordan valley and in the southern wilderness, 

 we meet with very distinct groups of Helix and of Bulimus, 

 chiefly of species peculiar, or common in some few cases to 

 the Arabian desert. 



" The fluviatile Mollusca are of a type very much more tropi- 



