MOLLUSCA. 



BY 



DR. F. H. TROSCHEL. 



MENKE'S Zeitschrift fiir Malacozoologie (Malacological 

 Journal) affords, as regards the class Mollusca, a special 

 vehicle for the diffusion of useful scientific intelligence. 

 A sheet of letter-press appears monthly, which is devoted 

 partly to original articles and partly to critical notices. 

 The former, besides those by the Editor, were, in 1844, 

 furnished by Beyrich, Dunker, Jonas, Koech, Pfeiffer, and 

 Philippi, and will be noticed in their proper places. The 

 critical notices refer for the most part to new works, and 

 are furnished by the Editor, who is peculiarly well qualified 

 for a task of this kind, by his special acquaintance with 

 this branch of natural science, and by the possession of a 

 distinguished and almost complete library. The under- 

 taking will doubtless be successful, particularly, as on 

 account of the cheapness of the publication (which can only 

 be referred to the non-addition of figures), it will come 

 within the reach of a greater number of persons. At the end 

 of the year a title-page and alphabetical index are given. 



The tenth volume of Lamarck's ' Histoire Naturelle des 

 Animaux sans Vertebres, p.ar Deshayes/ appeared in ]844. 

 As in the former volumes, so in this also, the enlargement 

 of the synonymy has been particularly attended to, as well 

 as the rectification of the nomenclature as regards priority. 

 The remarks upon the animals of the several genera are 



