viii CONTENTS. 



Page 

 Proceedings of the Zoological Society 4/9 — 484 



On an undescribed Species of Bi-itish Zoanthus, by E. W. H. Holds- 

 worth, F.L.S. &c. ; The Chronology of M. Du Chaillu's Travels ; 

 On the Anatomy of the Sijmnculi, by MM. Keferstein and Elders ; 

 On two new Species of Heferopelma, by Dr. P. L. Sclater ; On a 

 new Species of Kerivoula, by R. F. Tomes, Esq. ; On a new 

 Genus and Species of Parrakeet (Geo/)si/^acMS occidentalis, Gould) 

 from Western Australia, by John Gould, F.R.S. ; Description of 

 a new Squirrel {Sciurus Gerrardi) from New Granada, by Dr. 

 J. E. Gray, F.R.S. &c. ; On a new Genus of Australian Fresh- 

 water Fishes, by Dr. Albert Giinther, For. Memb. Zool. Soc. ; 

 On the Retrograde Metamorphosis of certain Nematode Worms, 

 by Dr. R. Molin 484—4.91 



Index 493 



PLATES IN VOL. VH. 



Frontispiece to the Volume — Portrait of Prof. Henfrey, F.R.S. 



Plate I. Development and Structure of Coccus lacca.— Filaria Muscje. 



n. Sacculina Carcini. — Clistosaccus Paguri. — Peltogaster Paguri. 



in. Peltogaster sulcatus. — Apeltes Paguri. 



IV. Triopa claviger. 



V 1 

 Yj' I" New Bivalves from the Upper Greensand. 



VII 1 

 VIII I C'lavatella prolifera. 



IX. Strephenterus claviger. — Physa acuta. 

 X. Crapatahis Novae Zelandiae. — Young of Lophius ))iscatorius. 

 XI. New Gasteropods from the Upper Greensand. 



XITT r ''"'^^^^^ Australian Hj'drozoa. 



xn.i 



XV. 

 ■j^yj , New British Fungi. 



XVI L 



XVIII I I^ei)roduction of Chrysaora hyoscella. — Reprodnctivc Elements 

 ■\ of the Rhizopoda. 



XIX.^ 

 X. iDis 



XX. i.Dissections of the Brain of the Negro and of the Chimpanzee. 

 XXI. J 



