60 AMEEICAN JOURNAL 



Novitates Conchologicae. Suppl. 3. Monographle der Mollus- 



kengattung Venus, Linne. By Dr. Edw. Romer. 14th, 15th Parts, 

 with fi colored phites. 4to. Cassel, 1869. 



The present issue contains the species (21) of LioconcJia, 

 Morch, which is treated as a section of Cytherea. 



The text is evidently worked out with great care, and the 

 illustrations are remarkably fine specimens of the art of chromo- 

 lithography. 



Systematiscbes Conchylien-Cabinet von Martini und Chemnitz. 



Continued by II. 0. KiisTER, etc. 188th and 189th Parts. Niirnberg. 

 1868. 



The 188th Part commences with a Monograph of Cardiidse, 

 by Dr. E. Romer. O. costatum is the type of a new section — 

 Tropidocardium, Romer, and C. aculeatum of another section — 

 Acanthocardium, Romer. In Isocardia, I. cor is the type of 

 Tyclwcardia. There is also a continuation of the monograph of 

 Cytherea. 



Part 189 continues the Muricidce and Purpuridce, and con- 

 tains Monographs of Argonauta, I^autilus, Spirula, lanthina 

 and Recluzia^ by the editor. 



