Vlll CONTENTS. 



Page 

 Proceedings of the Zoological Society 479—484 



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

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

 On the Anatomy of the Sipunculi, by MM. Keferstein and Ehlers ; 

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

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

 Genus and Species of Parrakeet {Geopsittacus 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—491 



Index 4.93 



PLATES IN VOL. VIL 



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



Platr L Development and Structure of Coccus lacca. — Filaria Muscae. 



, IL Sacculina Carcini. — Clistosaccus Paguri. — Peltogaster Paguri. 



/ III. Peltogaster sulcatus. — Apeltes Paguri. 



IV. Triopa claviger. 



"j V ] 

 ! Yj' |-New Bivalves from the Upper Greensand. 



VTTT fClavatella prolifera. 



'^ IX. Strephenterns claviger. — Physa acuta. 

 v' X. Crapatalus Novae Zelandiae. — Young of Lophius piscatorius. 

 XI. New Gasteropods from the Upper Greensand. 



XITT r^*^^' Australian Ilydrozoa. 

 /XIV."| 



/ YYj' I New British Fungi. 

 /XVII.'j 



- ^ ^^ r Reproduction of Chrysaora hvoscella. — Reproductive Elements 

 v/AVlll.| of the Rhizopoda. ' 



. XIX.T 



^XX. iDissections of the Brain of the Negro and of the Chimpanzee. 

 • XXI.J 



