CONTENTS. Vll 



Page 

 by a Parasitic Fungus, by the Rev. H. H. Higgins, M.A. ; On a 

 new species of Toucan, by Mr. J. Gould 387, 388 



NUMBER XII. 



XL. On the Cambium-layer of the Stem of the Phanerogamia, and 

 on its Relation to the Increase of Thickness. By H. von Mohl ... 389 



XLI. On Additions to the Madeiran Coleoptera. By T. Vernon 

 Wollaston, M.A., F.L.S 407 



XLII. On a species of Pipe-fish {Syngnathus aquoreus^) lately 

 found at Scarborough. By J. Leckenby, Esq. (With a Plate.) 416 



XLIII. On the Chylaqueous Fluid of the Actinias. By G. H. 

 Lewes, Esq 417 



XLIV. Descriptions of new Ceylon Coleoptera. By John Niet- 

 ner, Colombo, Ceylon 418 



XLV. On another new species of Lardizabala. By John Miers, 

 F.R.S., F.L.S. &c 431 



XLVI. On Permian Entomostraca from the Fossiliferous Limestone 

 of Durham. By J. W. Kirkby. (With a Plate.) 432 



XLVII. Investigation of the Generative Organs and Reproduction 

 of the Infusoria. By M. Balbiani 439 



XLVIII. Remarks on certain Vermiform Fossils found in the 

 Mountain Limestone Districts of the North of England. By Albany 

 Hancock, Esq. (With six Plates.) .... ... ; 443 



XLIX. Notes on Birds. No. VII. On a peculiar Process attached 

 to the Ischium in Erucivores. By T. C. Eyton, Esq., F.L.S. &c... 457 



L. On the Agency of Bees in the Fertilization of Papilionaceous 

 Flowers, and on the Crossing of Kidney Beans. By Charles Dar- 

 win, F.R.S ^ 459 



LI. Description of a new species of Bird from Palestine. By 

 Philip Lutley Sclater, M.A., F.L.S 465 



New Books : — General Report upon the Zoology of the several Pacific 

 Railroad Routes. Part II. Birds, by Spencer F. Baird, John 

 Cassin, and George N. Lawrence. — A Life of Linnaeus, by Miss 

 Brightwell, of Norwich .« 466 — 469 



Proceedings of the Zoological Society 469 — 489 



Note on Dysidea papulosa, Johnston, by Dr. J. E. Gray, F.R.S. &c. ; 

 On the Auditory Apparatus of Insects, by C. Lespes; Why does 



