CONTENTS OF VOL. V. 



[SECOND SERIES.] 



NUMBER XXV. 



Pago 



I. Observations on the Conjugation of C'osterium Ehrenbergii. By 



the Rev. W. Smith, F.L.S. (With a Plate.) 1 



II. On the Terebrating Mollusca. By William Clark, Esq 6 



III. Descriptions of Aphides. By Francis Walker, F.L.S 14 



IV. Contributions to the Botany of South America. By John 

 Miers, Esq., F.R.S., F.L.S 29 



V. Observations on the Structure of the Orchidacea, particularly 



the Vandece. By Prof. H. F. Link 36 



VI. On the occurrence of Charadrius virginiacus, Borkh., at Malta. 



By H. E. Strickland, M.A., F.G.S 40 



VII. Notice of a new Genus of Cestoid Worm. By M. P. J. Van 

 Beneden. Communicated by J. T. Arlidge, A.B., M.B. (Lond.) ... 42 



VIII. Description of a new species of Veronica. By John Ball, 

 M.R.I. A 47 



Proceedings of the Zoological Society; Ipswich Museum 48 — 69 



Botanical Notes, by J. Ball, Esq. ; Echinorhinus spinosus, by W. P. 

 Cocks, Esq. ; On the Presence of Entophyta in healthy living 

 Animals, by Dr. Leidy ; Description of a new species of Parrot, 

 by G. R. Gray, Esq., F.L.S.; On Decay in Fruit; Presidency of 

 the Linnasan Society ; Meteorological Observations and Table. 70 — 80 



NUMBER XXVI. 



IX. On the British species of Chara. By Charles C. Babington, 

 M.A., F.L.S. &c 81 



