72 



posticd concenlrice striatd ; valvd accessorid soUtarid, dorsali, 

 anticd, utrdgue extremitate subacuminatd, medio coarctatd -, mar- 

 ginibus ventrali dorsaligue epidermide corneo-testaced obtectis, 

 parte dorsali postice furcatd : long. 0"6, lat. 03, alt. 035 

 poli. 



Hab. ad littora Columbiae Occidentalis. 



From the Isle of Lions, Province of Veragua, in soft stone at low 

 water.— G. B. S. 



Pholas cornea. Phol. testd oblongd, tenui, antice rotundatd, po- 

 stice obtusd ; epidermide tenui corned indutd ; valvis fascid dimi- 

 diatis į ared anticd oblique divisd, parte posticd dorsali rugosivs- 

 culd, parte anticd Ičevi ; ared posticd majore, leevigatd ; valvis 

 accessoriis tribus, anticd dorsali rotundatd, postice stibemargi- 

 natd, antice subacuminatd ; hiatu postico magno : long. O 9, lat. 

 0-5, alt. 0-5 poli. 



Hab. ad littora Columbiae Occidentalis. 



Found in the trunk of a tree at low water at Chiriąui in the pro- 

 vince of Vera^a. — G. B. S. 



The whole of the Toucans of the Society's collection were exhi- 

 bited in illustration of an account given by Mr. Gould, at the re- 

 quest of the Chairman, of the species of Ramphastos, 111., and Ptero- 

 glossus, Ej., constituting the family Ramphastidce. Mr. Gould's 

 attention having been of late particularly directed to this family in 

 the preparation of a Monograph of it, illustrated ky coloured figures 

 of all the birds comprised in it, he was enabled to statė the existence 

 of the under-mentioned species of the 



Fam. RAMPHASTID.S, Vig. 



Rostrum magnum, ad basin nudum ; tomiis serratis. 

 Lingua pectinata. 

 Pedes scansorii. 



Genus Ramphastos, ///. 



Ramphastos (pars), Linn. 



Rostrum maximum. 



Nares frontales, prope basin maxillse sitae. 



Cauda seąualis. 



Nigri,torque pectorali tectricibnsgue cauda inferioribus coccineis.pe- 

 dibus coeruleis. Rostrum, guttur, tectrices cauda superiores, orbita- 

 que nudee discolores. 



* Cauda tectricibus superioribus flavis. 



Ramphastos erythrorhtnchus, Gmel. Ramph. rostro rubro, 

 cuhnine fascidąue basali flavis, hdc postice lined antice fascid to- 

 miisgue nigris. 



Long. tot. 23 poli. ; rostri, 6-į- ; ala, 84- ; cauda, &\ ; tarsi, 2. 



M 



