72 



posticd concenlrice striata ; valvd accessor'ui soUtarid, dorsali, 

 anticd, utrdque esctremitate subacuminatd, medio coarctatd ; mar- 

 ginibus ventrali dorsalique epidermide corneo-testaced obtectis, 

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

 ' poll. 

 Hab. ad littora Columbise Occideiitalis. 



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

 water.— G. B. S. 



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

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

 diatis ; ared anticd oblique divisd, parte posticd dorsali rugosius- 

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

 accessoriis tribus, anticd dorsali rotundatd, postice subemargi- 

 natd, antice subacuminatd ; hiatu postico magno : long. 09, lat. 

 0-5, alt. 0-5 poll. 



Hab. ad littora Columbiae Occidentalis. 



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

 vince of Veragua. — 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 Ramphastida. 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 state the existence 

 of the under-mentioned species of the 



Fam. Ramphastid^, Vig. 



Rostrum magnum, ad basin nudum ; tomiis serratis. 

 Lingua pectinata. 

 Pedes scansorii. 



Genus Ramphastos, III. 



Ramphastos (pars), Linn. 



Rostrum maximum. 



Nares frontales, prope basin maxillae sitae. 



Cauda aequalis. 



Nigri, torque pectorali tectricibusque caudce inferioribus coccineis,pe- 

 dibus caruleis. Rostrum, guttur, tectrices cauda superior es, orbita- 

 que nudcE discolores. 



* Cauda tectricibus superioribus flavis. 



Ramphastos erythrokhynchus, Gmel. Ramph. rostro rubra, 

 culmine fascid que basalt flavis, hdc postice lined antice fascid to- 

 miisque nigris. 



Long. tot. 23 poll. ; rostri, 6-J- ; alee, 8-J- ; caudte, 6\ ; tarsi, 2. 



