VI CONTENTS. 



Page 



NUMBER C. 



XXIV. On the Theory of the Fecundation of the Ovum. By 



E. Claparede 289 



XXV. On some species of -EpiZoiiM/rt. ByCHARLES C. Babington, 

 M.A., F.R.S. &c 311 



XXVI. Note on the Genus Scissurella. By J. Gwyn Jeffreys, 

 Esq., F.R.S 319 



XXVII. On the House Ant of Madeira. By Prof. O. Heer, of 

 Zurich. Translated from the original by R. T. Lowe, M.A 322 



XXVIII. Notes on Permian Fossils : — Palliobranchiata. By 

 William King, Professor of Mineralogy and Geology in Queen's 

 University, Ireland (Q. C. Galway); Corresponding Member of the 

 Natural History and Medical Society of Dresden, &c 333 



XXIX. Remarks on the Genera Tanystoma, Nematura, and Anaulus. 



By W. H. Benson, Esq 342 



XXX. New Researches in Vegetable Embrj'Ogeny. ByM. Tulasne. 343 



XXXI. On theTracheal System of Insects. By Thomas Willia.ms, 

 M.D. Lond 347 



New Books .- — Insecta Maderensia ; being an Account of the Insects 

 of the Islands of the Madeiran Group, by T. Vernon Wollaston, 

 M.A., F.L.S 348 



Proceedings of the Bombay Branch Royal Asiatic Society ; Zoological 



Society 356 — 365 



On the Mode in which the Tacfiince escajie from their Pupa-cases, by 

 Dr. Reissig ; On the apparent Absence of a Nervous System in 

 Nemoptera lusitanica, by M. Leon Dufour; Meteorological Ob- 

 servations and Table 365 — 368 



NUMBER CI. 



XXXII. On the British species of Arctium. By Charles C. 

 Babington, M.A., F.R.S. &c 369 



XXXIII. List of the Mollusca observed between Drontheim and 

 the North Cape. By R. M'Andrew, Esq., F.L.S., and L. Barrett, 

 Esq., F.G.S 3/8 



XXXIV. Some Account of an Infant " Orang-Utan." By Alfred 



R. Wallace, Esq 386 



