— 592 — 



Pages. 



La Porpora. Cenni del Prof. A. Issel (1876). . . 550 



The Terrestrial air-breathing Mollusca of the United 

 States and the adjacent Territories of North 

 America, described and illustrated by W. G. 

 Binney. — Vol. V (1878) 551 



A Monograph of Tasmanian Land Shells. By Wil- 

 liam F. Pelterd (1879) 556 



Descriptions of seven new species of Terrestrial and 

 Marine Shells from Australia. — Mollusca of the 

 Chevert Expédition. — Description of a new 

 species of Vivipara. By John Brazier (1878). . 559 



Das Gebiss der Schnecken zur Begrùndung einer 

 nalûiiichen Classification, untersucht von D r F. 

 H. Troschel. — Vol. II, livraisons 5 et G (1878- 

 1879) 560 



On the Mollusca procured during the Lightning's 

 and Porcupine'sExpeditions, 1868-1870. Part. II. 

 By J. Gwyn Jeffreys (\S79) 562 



Mollusca of H. M. S. Challenger Expédition. Tro- 

 chidœ continued, viz. the gênera Basilissa and 

 Trochus, and Turbinidœ, viz. the genus Turbo, 

 by the Rev. R. Boog Watson (1879). ... 565 



Note sur des métis du Rumina decollata, par J. B. 

 Gassies (1879) 565 



Ueber die Variationen der Zabnstructur bei dem 

 Genus Buccinum. — Catalog der auf der Norwe- 

 gischen Nord-Meer-Expedition bei Spitzberg ge- 

 fundenen Moilusken. Von Herman Friele (1879) . 566 



List of Land Shells collected on Fitzroy Island : 

 with Notes on their geographical Range. By 

 John Brazier (1878) 568 



Synonymy of and Remarks upon Tasmanian and 



