L ^ J) A. 



Cun], 



Brit. 



!>peciesr.4. (Ml 



L.KDA Douiisii. Lced.tesid siibcom/ircssd,, so!i</d,ol>lon<jo- 

 svhovatd ; an/ice conceiiince costellaM, stramincd ; 

 latere postico lomjiiisculo, aciiminatiiu rostrato, 

 margine dorsali recto, wed awjiistd depre^i-d, a'rriim- 

 scriptd, coslellis ante coHeUaiu margbialeiii temn- 

 nantibus ; latere aittico ci.i- coslellato. 



Dorhn's L^da. Shell subconipres.sed, solid, oblong- 

 subovate, concentrically ribbed in front, straw- 

 coloured, posterior side rather longer, aciiniinately 

 rostrated, dorsal margin straight, area narrow, 

 depressed, circumscribed ; ribs terminating in 

 front of the marginal riblet ; 

 ribbed, 



A. Adams. ? 



Hab. ? 



1 find this little shrll nam. 



C'timingian cabinet. 



side 



above 



Species 5a. (Mus. (late) Metcahe.) 



LiDA CRISPA. Lwd. testd pared,. 'iuboeatd; sulidd, ventri- 

 cosd, albidd,concentrice teniiitersulcatd: latere postico 

 surmm arcuato, angusto, casta anguloque radiato ; 

 inter angulum et costain depresso, emurglnato, ad 

 terminum acuminato, super costam crenidato ; latere 

 antico inflate, casta sulroqiie radiato ; area dorsali 

 angustd, plamdald, circiimscriptd. 



The ckisp L^da. Shell small, subovato, solid, ven- 

 tricose, whitish, concentrically finely sulcatcd ; 

 posterior side arched upwards, narrow, rayed with 

 a rib and an angle, depressed and emarginated 

 between the rib and the angle; anterior side 

 inflated, rayed with a rib and groove ; dorsal area 

 narrow, flat, circumscribed. 



Hinds. (Nucula) Proc. Zool. Soc, 1<S4;\ ji. 100. 



Hab. Gulf of Nocoyo. 



A pretty little species, with a kind of curl upwards. 



Sp,.ries r.d. (Mus. Hiit.) 



>A IIAMATA. Lced. testd coiiijires.<i'i, arriiiitd, biiireo- 

 latd, coiicciitrice linitd, ,/,id, niiiil, ,-rossiiisriiln 

 indiitd; latere postico altemiiiln, rioiigntu, .irciintn. 

 rostrato, uian/i/ie ilorsali eonraro. ared roslrali ad 

 liniiiniii,, tniiic.iUt ; iii„hoiiibiis eleratis, aciitis ; mar- 

 gine vcntrali raid, ronr.'.ro ; latere antico brerissimo. 



: MOOKED L.-KDA. Shell compressed, arched, lan- 

 ceolate, concentrically ridged, covered witli a 

 thickish epidermis; posterior side attcnuaic<l, 

 elongated, arcliel, beaked, dorsal margin concave, 



rostral area truncated 

 elevated, acute ; ventral 

 anterior side very short. 



■KNTKIt. .' 



, Catalina Islands. 



end : 



umbo 

 conv(.': 



lot 



Species 57. (Mi 



L^DA CUSrillAIA. La,/, ti'sci p 

 li'nnissinie et cequalih r sirioli 

 Clllo rostrato, angusto, ant,' rostrn./n siihcini 

 latere antico rotiindo, margine ilnrsidi iU;-liro 



The Sl'EAH- SH.\fED L.V.DA. shell small, pyi 

 whitish, very finely equally striated ; jiosteri 

 a little the longer, rostrated, narrow, a 

 contracted behind the rostriuu ; anterior side 

 with dorsal margin slojied. 



Gould. .' 



ILdi. North America. 



One of the simplest of the little jiyriform spe( 



tlhidd, 



IHjiilS- 



itorm, 



)rside 



little 



round, 



Species 58. (Mus. Brit.) 

 'Lm.vx Brookii. Laid, testd minut,;, suhuihl.-uliri. 

 brevi, ventricosd,distanter coHcentrii ■ hrnt.i . lit.n: 

 postico brevi, acuminato ; latere antico v,-'nlnj-n.<is- 



November, l^Tl. 



