CONTENTS. Vll 



XXIII. On the Genus Myrmica, and other indigenous Ants. By John Curtis, Esq., 

 F.L.S. fyc P a g e 211 



XXIV. Note on the Maters of Trichia. ByARTHVTL~H.wm,VY,Esq.,FR.S., F.L.S. 8fc. 221 



XXV. Note on the Genus Ancistrocladus of Wallich. By G. H. K. Thwaites, Esq., 

 F.L.S. fyc, Superintendent of the Botanic Garden of Peradenia, Ceylon. . 225 



XXVI. Remarks relative to the affinities and analogies of natural objects, more parti- 

 cularly of Hypocephalus, a Genus of Coleoptera. By John Curtis, Esq., F.L.S. 

 8rc. 227 



XXVII. On the Osteological relations observable among a few Species of the Bovine 

 Family. By Walter Adam, M.D. Communicated by Robert Brown, Esq., 

 V.P.L.S. 8fC 237 



PART IV.— 1855. 



XXVIII. Observations on the Structure of the Seed and Peculiar Form of the Embryo 

 m the Clusiacese. By John Miers, Esq., F.B.S., F.L.S. 8fc 243 



XXIX. Extract from a Memoir on the Origin and Development of Vessels in Monocoty- 

 ledonous and Dicotyledonous Plants. By Dr. Francisco Preire Allemao, of 

 Bio de Janeiro. Translated and communicated by John Miers, Esq., F.B.S., 

 F.L.S. 8rc 259 



XXX. Description of Peachia hastata, a new genus and species of the Class Zoophtta ; 

 with observations on the Family Actiniadae. By Philip Henry Gosse, Esq., 

 A.L.S. §rc 267 



XXXI. Horse Carcinologicse, or Notices of Crustacea. I. A Monograph of the Leuco- 

 siadae, with observations on the relations, structure, habits and distribution of the 

 family ; a revision of the generic characters ; and descriptions of new genera and 

 species. By Thomas Bell, Esq., V.P.B.S., Pres. L.S. 8fc 277 



XXXII. Extracts from the Minute-Books of the Lmnean Society of London . . .315 



Catalogue of the Library of the Linnean Society 317 



Donations to the Museum of the Linnean Society 347 



