122 
9. Puecorrema concinna, H. & A. Adams. P. testa umbili- 
cata, ovato-conica; spira elata, apice acuto; sordide fulva, 
transversim valde sulcata, liris intermedits subgranulosis; aper- 
tura parva, angusta; labio calloso, columella triplicata, plica 
mediana bipartita; labro eatus marginato, margine reflexo, intus 
bidentato ; umbilico magno, patulo. \ 
Hab. ? Mus. Cuming. 
The umbilicus in this species is large and open; the inner lip is 
callous, and the outer lip thickened externally, with the margin some- 
what reflexed. 
10. Puecorrema exaraTA, H. & A. Adams. P. testa ovato- 
conica, umbilicata ; spira elata, acuta; brunnea, transversim 
sulcata, liris intermediis leviuseulis ; apertura angusta ; colu- 
mella triplicata, plica mediana bipartita; labio subcalloso ; 
labro extus inerassato, margine antice subreflexo, intus bituber- 
culato. 
Hab. ? Mus. Cuming. 
In this species the umbilicus is pervious, and the spire is elevated 
and acute; the spaces between the transverse grooves are nearly 
smooth, and the margin of the outer lip is somewhat reflected. 
11. PLecorTREMA LABRELLA, Deshayes. 
Auricula labrella, Desh. Encycl. Meth. Vers. p. 92; Mag. de Zool. 
part 1. pl. 14. p. 14. 
? duric. faber, Férussac. 
12. PLecoTREMA 1n=QUALIS, C. B. Adams. 
Pedipes inequalis, C. B. Adams, Contrib. to Conchology. 
December 13, 1853. 
R. C. Griffith, Esq., in the Chair. 
The following papers were read :— $ 
1. Descriptions or New Species or Bucconips. 
By Purure Lurxiey Scuater, F.Z.S. 
(Aves, Pl. L. LI.) 
|. Bucco raptratus, Sclater. (Pl. L.) B. supra clare ferru- 
gineus, nigro transversim radiatus ; nucha et dorso summo 
pene omnino ngris; corpore subtus et torque cervicali supra 
pallide fulvescenti-albis ; capitis lateribus, pectore et ventris 
lateribus lineis nigris transversim radiatis ; loris, gula, ventre 
medio crissoque albis ; pedibus nigris ; rostro plumbeo. 
Long. tota 8°0; ale, 3-4; caude, 3°0. 
