272 
27. PLANAxis BuccinEA, A. Adams. P. testd ovatdé; spird 
brevi, acutd, apice obtuso, rubro ; anfractibus planis, plicato-gra- 
nulosis ; nigro-fuscd, cingillis articulatis, transversis, ornatd ; 
longitudinaliter substriatd, transversim valde sulcutd ; aperturd 
ovato-oblongd ; columella excavatd; labro intus creno-plicato, 
extus incrassato, varicoso. 
Hab. West Indies. Mus. Cuming. 
28. Puanaxis LABiosa, A. Adams. PP. testd ovato-conicd, 
spird acutd, anfractibus convewiusculis, atro-purpured, fasctis 
pallidis (5-6) transversis, in anfractu ultimo; transversim striatd ; 
apertura ovato-oblongd; columelld incurvatd et dilutatd ; labro 
dilatato, margine reflexo et incrassato, intus lirato. 
Hab. Sandwich Islands. Mus. Cuming. 
29. Lacrena Caxirornica, A. Adams. LL. testd solidd, ovato- 
Susiformi ; spird, in medio, tumidd, anfractibus planiusculis, in- 
Sern nodospinosis, albd, cingulis transversis, elevatis, rufo-fuscis 
articulatis ornatd, interstitiis obscuris, fuscis ; anfractu ultimo 
longitudinaliter plicato, seriebus duobus tuberculorum subspinoso- 
rum instructo ; aperturd ovato-oblongd ; columelld carneold, plicis 
quatuor, albis, obliquis ; labro intus lirato. 
Hab. California. Mus. Cuming. 
Allied to L. picta, Lamk., but of different form and markings. 
30. Nassa Austratis, A. Adams. N. testd ovato-fusiformi ; 
spird acuminaté, pallid? olivaced, fasciis tribus, transversis, fuscis, 
ornatd, longitudinaliter valde plicatd, interstitiis valde transversim 
sulcatis ; anfractu ultimo anticé liris transversis subgranosis, 
postice, prope suturam, tuberculis moniliformibus ornato ; aper- 
turd ovato-rotundatd, intus fuscd, et dentato-liratd ; labro margine 
albo, postice valde inflexo et dentato. 
Hab. Australia. Mus. Cuming. 
November 25, 1851. 
W. J. Broderip, Esq., F.R.S., Vice-President, in the Chair. 
The following papers were read :— 
1. On A SPECIES OF AEQUOREA INHABITING THE BriTIsH SrEas. 
By Pror. Epwarp Forses, F.R.S. 
(Radiata, Pl. IV.) 
In the first volume of the ‘ Wernerian Memoirs’ a “‘ Medusa equo- 
rea’”’ is mentioned by Prof. Jameson as an inhabitant of the seas of the 
north of Scotland, and in the ‘ History of British Animals’ by Dr. 
Fleming, the name “Geryonia equorea”’ is used to designate it. As no 
