vin CONTENTS. 



Page 



XLVII. Descriptions of three uew species of Paludomus from 

 Burmali, and of some forms of Sienothyra {Nematura) from Penang, 

 Mergui, &c. By W. H. Benson, Esq 494 



XLVIII. On the ^Minute Structure of certain Brachiopod Shells; 

 and on Vegetable Cell-Formation. By William B. Carpenter, 

 M.D., F.R.S., F.G.S 602 



New Books : — General OutUne of the Organization of the Animal 

 Kingdom, and Manual of Comparative Anatomy, by Thomas 

 Rvmer Jones, F.R.S. 2nd edition 507 



Proceedings of the Zoological Society ; Botanical Society of Edin- 

 burgh 510—520 



On the Influence of the Soil on the Distribution of Plants, by M. Stur ; 

 Note on the Freshwater Dolphins of South America, by M. Paul 

 Gervais; Meteorological Observations and Table 520 — 523 



Index 524 



PLATES IN VOL. XVII. 



Plate I. Conjugation of the Diatomacese. 



II. Marine Testacea of the Piedmontese Coast. 



III. House Ant of Madeira. 



IV. Species of Anthracosia. 



V. Mechanism of Aquatic Respiration in Invertebrate Animals. 



VI 1 

 Yjj' > Palaeozoic Bivalved Entomostraca. 



VIII. "I Development of Gonidia from the Cell-contents of the 

 IX. J Characeae. 



X. Pleurodictjiim problematicum. 



XI. Mechanism of Aquatic Respiration in Invertebrate Animals. 



XII. New Permian Fossils. 



XIII. 



XIV. \ New British species of Diastylidae. 

 XV. 



'il 



