ee 
CONTENTS OF VOL. IV. 
[SECOND SERIES. ] 
NUMBER XIX. 
I. Account of a Ribbon Fish (Gymnetrus) taken off the coast of ie 
Northumberland. By Atsany Hancock and Dennis Emsteron, M.D. 
CWith two Blates.) ......cccqdesccsccceccocccccscscesvcceccseustinedaus arse asnans.s 1 
II. Ornithological Notes. By Joun Brackwatt, F.L.S, ............ 18 
III. A few remarks upon a species of Zoophyte discovered in the 
New Docks of Ipswich. By Mr. Epwtn Gites and Dr. W. B. CLarxe 26 
IV. On Odontites rubra, Pers., and the allied forms, including a 
notice of a new species. By Joun Baur, M.R.I.A. ........ceeceeeeeeeee 28 
V. Contributions to the Botany of South America. By Joun Miers, 
Bsq oy PehteSe5 Lisdawsat soeck sean cntesse Seivackictinahtsluatasssmssesercecners Romnncets 31 
VI. On the Identification of a Genus of Parasitic Hymenoptera. 
By J.O. WESTWOOD, F.L.S. — ..cesseesccecscececccscscscccccsvscesccccsasaces 39 
VII. Descriptions of Aphides. By Francis Warxer, F.L.S. ...... 41 
VIII. On the Animal of Kellia rubra. By Josuvs Axper, Esq.... 48 
Proceedings of the Zoological Society ......... Semen se antec amen caatioas 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- 
cobius, 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. Pfeifter ; Meteorological Ob- 
servations and Table  ........cescsscesasssccassoesscneseosssesssecees 74—80 
NUMBER XX. 
IX. A descriptive Account of the Freshwater Sponges (genus Spon- 
gilla) in the Island of Bombay, with Observations on their Structure 
