( iii ) 



CONTENTS. 



I. Remarks on the Comparative Anatomy of certain Birds 

 of Cuba, with a view to their respective Places in the 

 System of Nature or to their Relations with other Ani- 

 mals. ByW.S.MacLeaY,Esq.,M.A.,F.L.S. Com- 

 municated by the Zoological Club of the Linnean So- 

 ciety -------- p, 1 



II. The Generic Characters of Formicaleo ; with the De- 

 scription of two new Species. By the Rev. Lansdown 

 Guilding, B.A. F.L.S. F.G.S. - - - p. 47 



III. The distinctive Characters of two British Species of 

 Plecotus, supposed to have been confounded under the 

 Name of Long-eared Bat. By the Rev. Leonard 

 Jenyns, M.A. F.L.S. Communicated by the Zoolo- 

 gical Club of the Linnean Society - - p. 53 



IV. A Description of the Mammary Organs of the Kan- 

 garoo. By John Morgan, Esq. f F.L.S. - p. 61 



V. Descriptions of some new Species of Birds belonging 

 chiefly to the rare Genera Phytotoma, Gmel., Indi- 

 cator, Vieill., and Cursorius, Latham. By Mr. Benja- 

 min Leadbeater, F.L.S. Communicated by the Zoolo- 

 gical Club of the Linnean Society - - - p. 85 



VI. On a new Genus of the Order Rodentia. By Joshua 

 Brookes, Esq., F.R.S. Sf L.S. Communicated by the 

 Zoological Club of the Linnean Society - - p. 9-^ 



VII. Description of a new Species of Agama, brought from 

 the Columbia River by Mr. Douglas. By Thomas 

 Bell, Esq., F.R.S. ^ L.S. - - - - p. 105 



VIII. De- 



