LIST OP PAPEHS. 



Page 



'Andukavs, W., Esq., M.R.I.A. 



Ou Ziphitis Sowerbiensis 07 



Baird, William, M.D., F.RS., &c. 



Contributions towards a Monogi-aph of the Species of Annelides 

 belonging to the AmpJimomacea, with a List of the known 

 Species, and a Description of several new Species (belonging to 

 the group) contained in the National Collection of the British 

 ]\Iuseum. To which is appended a short Account of two 

 hitherto nondescript Annulose Animals of a larval character. 

 (Plates IV., v., and VI.) ' 215 



Ilemarlcs on several Genera of .4?w/p/tWc5, belonging to the Group 

 Eunicea, with a notice of such Species as are contained in 

 Collection of the British Museum, and a description of some 

 others hitlierto undescribed 341 



Blackwall, John, F.L.S. 



A List of Spiders captured by Professor E. Pkrceval Wright, 

 M.D., in the province of Lucca, in Tuscany, in the summer 

 of 18G3, with characters of such Species as appear to be new 

 or little known to Arachnologists. (Plates XV. & XVI.) . . 405 



Cambridge, Rev. 0. P. 



Descriptions of a New Genus and Six New Species of Spiders, 



(Plate IX.) 264 



Catalogu3 of a Collection of Ceylon Araneidea lately received 



from Mr. J. Nietner, with Descriptions of new Species and 



Characters of a new Genus.— Part I. (Plates XI., XIL, XIIL) 373 

 Descriptions and Sketches of two new Species of Araneidea, 



with Characters of a new Genus. (Plate XIV.) 308 



Edwaud, Thomas, A.L.S. 



A few Additional Particulars regarding Couchta JEdtcardii .... 1 



FoLiN, Marquis Leopold de. 



Observations on the Septum of the Caecidfe ; and some remarks 

 on the subject of the suppression of the Genera Brochina and 

 Strehhceras or Phleboceras. (Plate VIII.) 254 



