272 



27. Planaxis btjccinea, A. Adams. P. testd ovatd; spird 

 brevi, acutd, apice obtuso, rubra ; anfractibus plants, plicato-gra- 

 nulosis ; nigro-fuscd, cingilUs articulatis, transversis, ornatd ; 

 longitudinaliter substriatd, transversim valde sulcatd; aperturd 

 ovato-oblongd ; columelld excavatd; labro intus creno-plicato, 

 extus incrassato, varicoso. 



Hab. West Indies. Mus. Cuming. 



28. Planaxis labiosa, A. Adams. P. testd ovato-conicd, 

 spird acutd, anfractibus convexiusculis, atro-purpured, fasciis 

 pallidis (5—6) transversis, in anfractu ultimo ; transversim striatd; 

 aperturd ovato-oblongd; columelld incurvatd et dilatatd; labro 

 dilatato, margine rejlexo et incrassato, intus lirato. 



Hab. Sandwich Islands. Mus. Cuming. 



29. Lagena Californica, A. Adams. L. testd solidd, ovato- 

 fusiformi ; spird, in medio, tumidd, anfractibus planiusculis, in- 

 ferne 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 Australis, A. Adams. N. testd ovato-ft/siformi ; 

 spird acuminata, pallide olivaced, fasciis tribus, transversis, fuscis, 

 ornatd, longitudinaliter valde plicatd, interstitiis valde transversim 

 sulcatis ; anfractu ultimo antice liris transversis subgranosis, 

 postice, prope suturam, tuberculis moniliformibus ornato ; aper- 

 turd ovato-rotundatd, intus fused, 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 ^auoREA inhabiting the British Seas. 

 By Prof. Edward Forbes, F.R.S. 



(Radiata, PI. IV.) 



In the first volume of the ' Wemerian Memoirs ' a " Medusa eequo- 

 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 " Gertjonia eequorea" is used to designate it. As no 



I 



