207 



60. Podiceps dominicus (L.), Spix, Av. Bras. ii. pi. 101 ; 

 Max. Beitr. iv. p. 835 ; Gosse, B. Jamaica, p. 440. 



Jalapa. 



This little Grebe seems to be extensively diffused over the tropical 

 portion of the New World. 



61. Plotus anhinga (Linn.). 

 Jalapa. 



62. Phalacrocorax mexicanus (Brandt.), Bp. Consp. ii. 

 p. 173. 



Jalapa. 



July 28, 1857. 

 Professor Busk, F.R.S., in the Chair. 



The following papers were read : — 



1. Descriptions of Seven New Shells from the collec- 

 tion of the Hon. Sir David Barclay, of Port Louis, 

 Mauritius. By Lovell Reeve, F.L.S., F.G.S. 



(Mollusca, Pis. XXXVII., XXXVIII.) 



Sir David Barclay, a gentleman resident at the Mauritius, and 

 long known to conchologists as a zealous collector of shells, having 

 availed himself of the occasion of visiting this country to bring a few 

 of the rarer specimens of his cabinet for comparison, I have, at his 

 request, examined them, and selected the following as being new : — 



1. Strombus taurus (PI. XXXVII. fig. 3). Strom, testa 

 ovata, crassissima, ponderosa ; spira exserta, nodoso-tubercu- 

 lata ; anfractibus transversim striatis et tenuiliratis, ultimo 

 superne obtuse angulatis et peratnpliter bi- tri-tuberculato, 

 tuberculo obliquo peramplo infra in medio ornato ; columella 

 densissime callosa, superne fere ad apicem appresse dilatata ; 

 apertura subcontracta, labro dense incrassato, tuberculis per- 

 amplis obtusis armato superne bidactylo, dactylo supremo 

 elongato, curvato ; albida, aurantio-fusco variegata et sparsim 

 vittata, columella et apertura fauce rubido-carneo tinctis. 

 Long. 3£ poll., lat. 2f poll. 



Hub. Amirante Islands, a group of the Seychelles. 

 This remarkable shell, which Sir David Barclay has for some time 

 past known as an undescribed species, and distinguished in his 

 cabinet by the above name, is curiously intermediate in its generic 



