CONTENTS OF VOL. VI. 



[FIFTH SERIES.] 



NUMBER XXXI. 



Page 



I. New Species of Crustacea from New Zealand. By Geobge M. 

 Thomson. (Plate I.) 1 



II. A Contribution to the Knowledge of the Fish-fauna of the Rio 

 de la Plata. By Dr. A. Gunther, F.R.S., Keeper of the Zoological 

 Department, British Museum. (Plate II.) 7 



III. Description of a new Species of Palinurus. By T. W. Kirk, 

 Assistant in the Colonial Museum, Wellington, N. Z 14 



IV. Additions to the List of New-Zealand Marine Mollusca. By 

 Thomas W. Kirk, Assistant in the Colonial Museum, N. Z 15 



V. On the Geological Distribution of the Rhabdophora. By 

 Charles Lapworth, F.G.S. &c 16 



VI. On the Internal Structure of the Brain of Limulus polyphemus. 



By A. S. Packard, Jun 29 



VII. On a new Species of Chiton lately found on the British Coasts. 



By J. Gwyn Jeffreys, LL.D., F.R.S 33 



VIII. Report on Specimens dredged up from the Gulf of Manaar 

 and presented to the Liverpool Free Museum by Cant. W. II. Cawne 

 Warren. By H. J. Carter, F.R.S. &c. (Plates IV.-VL) 35 



IX. Descriptions of new Species of Asiatic Lepidoptera Heterocera. 



By Arthur G. Butler, F.L.S., F.Z.S., &c 61 



X. Contributions towards a General History of the Marine Polyzoa. 



By the Rev. Thom.* Hincks, B.A, F.R.S. (Plates IX., X., XI.) 69 



XL Descriptions of a new Ciciudelid and a new Cetoniid from 

 East Africa. By Charles 0. Waterhouse 92 



