CONTENTS OF VOL. IV. 



[SECOND SERIES.] 



NUMBER XIX. 



Page 



I. Account of a Ribbon Fish (Gymnetrus) taken off the coast of 

 Northumberland. By Albany Hancock and Dennis Embleton, M.D. 

 (With two Plates.) 1 



II. Ornithological Notes. By John Blackwall, F.L.S 18 



III. A few remarks upon a species of Zoophyte discovered in the 

 New Docks of Ipswich. By Mr. Edwin Giles and Dr. W. B. Clarke 26 



IV. On Odontites rubra, Pers., and the allied forms, including a 

 notice of a new species. By John Ball, M.R.I. A 28 



V. Contributions to the Botany of South America. By John Miers, 

 Esq., F,R.S., F.L.S 31 



VI. On the Identification of a Genus of Parasitic Hymenoptera. 



By J. O. Westwood, F.L.S 39 



VII. Descriptions of Aphides. By Francis Walker, F.L.S 41 



VIII. On the Animal of Kellia rubra. By Joshua Alder, Esq. ... 48 



Proceedings of the Zoological Society 56 — 73 



On the Development of the Purkinjean Corpuscle in Bone, by Dr. 

 Leidy ; Mode of Progression with Animals, by W. A. Pike ; De- 

 scriptions of new species of the genera Nyctale,, Brehm., and Sy- 

 cobiusy Vieill., by John Cassin; Description of a new species of 

 Salamander from Upper California, by Edward Hallowell, M.D. ; 

 The Pine Tree of the Tenasserim Provinces, by the Rev. F. Ma- 

 son ; Description of a new Helix and Streptaxis, from the Collec- 

 tion of H. Cuming, Esq., by Dr. L. Pfeiffer ; Meteorological Ob- 

 servations and Table 74 — 80 



NUMBER XX. 



IX. A descriptive Account of the Freshwater Sponges (genus Spon- 

 rjilla) in the Island of Bombay, with Observations on their Structure 



