23 



MONOGRAPHS in course of Publication — Continued. 



The Trilobitcs of the Momitain-Limestone, Devonian, and Silurian Formations, by Mr. J. W 

 Salter * 



The Malacostracous Crustacea, by Professor Bell. 



The Eocene Mollusca, by Messrs. F. E. Edwards and S. V. Wood. 



The Silurian Brachiopoda, by Mr. Davidson. 



Tlie Belemnites, by Professor Phillips. 



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



The Reptilia of the Kimmeridj^ie Clay, by Professor Owen. 



The Reptilia of the Liassic Formations, by Professor Owen. 



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



The Cetacea of the Crag, by Professor Owen. 



* Unfinished through the death of the Author. 



MONOGRAPHS which are in course of Prepar.\tio\ .t— 

 The Flora of the Tertiary Formation, by Mr. W. S. Mitchell. 



The Cretaceous Forarainifera, by ]\Iessrs. T, Rupert Jones, W. K. Parker, and H. R. Brady. 



The Foraniinifera of the Lias, by ^Ir. H. B. Brady. 



The Graptolites, by Professor Wyville Thomson. 



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



The Palaiozoic Polyzoa, by Dr. Duncan. 



The Crinoidea, by Professor Wyville Thomson. 



The Post-Tertiary Entomostraca, by the Rev. II. \\ . Crosskey and Messrs. G. S. Brady and 

 D. Robertson. 



The Wealdcn, Purbcck, and Jurassic Entomostraca, by ]\Iessrs. T. Rupert Jones and G. S. 

 Brady. 



The Bivalve Entomostraca. of the Carboniferous Formations, by Messrs. T. Rupert Jones and 



J. W. Kirkby. 

 The Trigonise, by Dr. Lycett. 



The Post-Tertiary i^IoUusca, by Mr. J. GAvyn Jeffreys. 



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



The Purbcck Mollusca, by Mr. R. Etheridge. 



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



The Rhictic Mollusca, by Mr. R. Etheridge. 



The Liassic Gasteropoda, by Mr. Ralph Tate. 



The Ammonites of the Lias, by Dr. Wright. 



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. 



