CONTENTS. 



No. VIII. January — April , 1826. 



Page 

 AuT. XLVI. On the small horny appendage to the upper 



mandible in very young Chickens, By William 



Yarrell, Esq. F.L.S 433 -~ 



Art. XLVII. Mollusca Caribbceana. By the Rev. LanS' 



DOWN GuiLDJNG, B.J. F.L. Sf G.S. M.W.S., 8^c 437 



Art. XL VIII. On the Stirpes and Genera composing the 

 Family Pselaphidce ; with Descriptions of some new 

 Species. By William Elford Leach, M.D. F.R.S., 

 4c 445 



Art. XLIX. Catalogue of the various Birds which at pre- 

 sent inhabit or resort to the Farn Islands, with Observa- 

 tions on their habits, Sfc. By P. J. Selby, Esq. 

 F.LS., M.W.S 454 .„ 



Arj. L. Sketches in Ornithology ; or, Observations on the 

 leading Jffinities of some of the more extensive groups of 

 Birds. By N. A. Vigors, jun. Esq. A.M. F.L. Sf G.S. 466 ,^ 

 On some species of the Ramphastidte ib. 



Art. H. An Account of a nezo or fifth Species of the 

 Genus Psaris, Cuv. By P. J. Selby, Esq. F.L.S., 

 M.W.S ,8fc , . 483 =^_ 



Art. LI I. Description of a new Species of Terrapene ; 

 with further Observations on T. Carolina and T. macu- 

 lata. By Thomas Bell, Esq. F.L.S 484 



Art. LIII. On Insects which affect Oaks and Cherry 



Trees, By the late Professor W. D. Peck 4S7 



