25 



2. MONOGRAPHS in course of Publication — continued: 



Tlie Beleninites, by Professor Phillips.* 



The Sirenoid and Crossopterygian Ganoids, by Professor Miall. 



The Fishes of the Carboniferous Formation, by Prof. Traquair. 



The Fishes of the Old Red Sandstone, by Messrs. J. Powrie and E. Ray Lankester, and 



Professor Traquair. 

 The Reptilia of the Wealden Formation (Supplements), by Professor Owen. 

 The Reptilia of the Kimraeridge Clay, by Professor Owen. 

 The Reptilia of the Mesozoic Formations, by Professor Owen. 

 The Pleistocene Mammalia, by Messrs. Boyd Dawkins and W. A. Sanford. 

 The Cetacea of the Crag, by Professor Owen. 



3. MONOGRAPHS which are in course of Preparation :— f 



The Fossil Cycadese, by Mr. W. Carruthers. 



The Fossil Sponges, by Mr. W. J. Sollas. 



The Rhizopoda of the Chalk, Chalk Marl, Gault, and Upper Greensand, by Messrs. T. Rupert 



Jones, W. K. Parker, and H. B. Brady. 

 The Foraminifera of the Lias, by Mr. H. B. Brady. 

 The Polyzoa of the Chalk Formation, by Mr. G. Busk. 

 The Cretaceous Asteroidea, by Dr. Wright. 



Supplement to the Tertiary and Cretaceous Entoraostraca, by Prof. T. Rupert Jones. 

 The Wealden, Purbeck, and Jurassic Entoraostraca, by Messrs. T. R. Jones and G. S. Brady. 

 The Cretaceous Mollusca (exclusive of the Brachiopoda), by the Rev. Prof. T. Wiltshire. 

 The Purbeck Mollusca, by Mr. R. Etheridge. 

 The Inferior Oolite Mollusca, by Mr. R. Etheridge. 

 The Rhaetic Mollusca, by Mr. R. Etheridge. 



The Carboniferous Bivalve MoUnsca, by Mr. R. Etheridge, junr. 

 The Silurian Fish Bed, by Dr. Harley. 



* Unfinished through the death of the Author, but will be continued by Mr. R. Etheridge. 

 t Members having specimens which might assist the authors in preparing their respective 

 Monographs are requested to communicate in the first instance with the Honorary Secretary. 



