Vlll CONTENTS. 



Page 

 LII. On tlie Nervous System of the Strepsiptera. By Prof. Ed- 

 ward Brandt 456 



LIII. Account of tlae Reptiles and Batrachians collected by Mr. 

 Edward Whymper in Ecuador in 1879-80. By G. A. Boulenger. 457 



LIV. Charles Darwin. By M. de Quatrefages 467 



Three more Freshwater Sponges, by E. Potts ; Restoration of the 

 Disk in Ophim-ans, by A. E. Verrill ; On the Abyssal Malaco- 

 looical Fauna of the Mediterranean, by M. Fischer ; Zoological 

 Station at Villa franca 474 — 479 



Index 480 



PLATES IX VOL. IX. 



Plate I. New British Spiders. 

 IL. 



III. I New Corals. 



IV. J 



V. Marine Polyzoa. 



VI. Pachyniatisma Johnstoni. 



^'11. Tetilla cranium. 



VIII. " Kanimplatten.'' 



IX. Structure of the Amcebfe. 



X. New Nematodes. 



^ ' > "VVest-Indian and Acapulco Sponges. 



XIII. New Species of Araneidea. 



XIV. Statoblasts of Carterella latitenta. 

 XV. Development of Siphonaria aiistralis. 



XVI. New Species of Cellepora and Palythoa. 

 XVII. Structure of Thenea Wallichii. 



