CONTENTS. 



VI. A Monograph of the Genus Casoabius. By the Hon. Walter Eothschild, Ph.D., 

 F.Z.S. With a Dissertation on the Morphology and Phylogeny of the Pal^io- 

 gnathjs (TUtitm? and Cbtptuei) and Neognath^e (Carinam). By W. P. 

 Pycraft. (Plates XXII.-XLV.) page 109 



THE PUBLICATIONS OP THE ZOOLOGICAL SOCIETY OF LONDON. 



The scientific publications of the Zoological Society of London are of two kinds— " Proceedings," 

 published in an octavo form, and "Transactions," in quarto. 



According to the present arrangements, the "Proceedings" contain not only notices of all busi- 

 ness transacted at the scientific meetings, but also all the papers read at such meetings and recom- 

 mended to be published in the " Proceedings " by the Committee of Publication. A large number 

 of coloured plates and engravings are attached to each annual volume of the "Proceedings," to 

 illustrate the new or otherwise remarkable species of animals described in them. Among such 

 illustrations, figures of the new or rare species acquired in a living state for the Society's Gardens 

 are often given. 



The "Proceedings" for each year are issued in four parts, on the first of the months of June, 

 August, October, and April, the part published in April completing the volume for the preceding 

 year. 



The " Transactions " contain such of the more important communications made to the scientific 

 meetings of the Society as, on account of the nature of the plates required to illustrate them, are 

 better adapted for publication in the quarto form. They are issued at irregular intervals. 



Fellows and Corresponding Members, upon payment of a Subscription of £1 Is. before the day of 

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Fellows also have the privilege of subscribing to the Annual Volume of the ' Zoological Record ' 

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 holds good if the subscription is paid before the First of December in each year. 



Such of these publications as are in stock may be obtained at the Society's Office (3 Hanover 

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 siuy bookseller. 



P. L. SCLATER, 



Scomber 1900. Secretary. 



