Zoological Society. 149 



preaso-conicd, obliqud, albd, vertice subpostico, retrorsiim decli- 

 nato, costis radiantibus, imbricato-asperis {majoribus cum mi- 

 noribus alternatis), interstitiis clathratis ; apertures margine 

 denticulate, antice profunde inciso. 

 Hab. Port Adelaide, Australia, on the sands. Mus. Cuming. 



18. Emargtnula BELLULA, A. Adams. E. testd elongato-ellip- 

 ticd, subdepressd, albidd, vertice subpostico, declinato, costis 

 distantibus prominentibus, lineisque transversis concinne scul- 

 ptis ; carind, supra incisuram, puncturatd ; aperturce margine 

 denticulato, intns sulcata, antice profunde inciso. 



Hab. Catanuan, province of Toyabos, island of Luzon, on dead 

 shells, 10 fathoms. Mus. Cuming. . 



19. Emarginula retecosa, a. Adams. E. testd elevato- 

 conicd, eUipticd, albidd, vei-tice subcentrali, postice inclinato, 

 costis radiantibus, eequalibus, subnodosis, ornatd ; interstitiis 

 regulariter cancellatis, cancelli in serie unico dispositi ; aper- 

 turcB margine cremdato, incisurd profunda. 



Hab. Bohnao, province of Tambalas, island of Luzon, sandy mud, 

 10 fathoms. Mus. Cuming. 



20. Emarginula eximia, A. Adams. E. testd elongato-ovali, 

 vald^ depressd, albd, subpellucidd, vertice postico retrorsum 

 inclinato, costis radiantibus, distantibus, prominentibus, im- 

 bricato-nodosis, interstitiis liris transversis et longitudinalibus 

 late cancellatd ; totd superficie lineolis radiantibus et concen- 

 tricis pulcherrimc decussatd ; aperturee margine denticulato, 

 antice profundi inciso. 



Hab. San Nicholas, island of Zebu, under stones, low water. Mus. 

 Cuming. 



21. Emarginula planulata, A. Adams. E. testd elongato- 

 ovali, complanatd, vertice subcentrali, postich inclinato, albidd, 

 costellis radiantibus, eequalibus, imbricato-asperis, lineisque 

 eoncentricis incrementi decussatd, basi arcuato ; aperturee mar- 

 gine antice valde inciso ; incisurd laid et profundd. 



Hab. Singapore, coarse sand and shells, 7 fathoms. Mus. Cuming. 



22. Emarginula cucullata, A. Adams. E. testd obovali, ob- 

 liquh conicd, albd, vertice producto, subpostico, intorto ; costis 

 prominentibus, nodulosis, radiantibus, interstitiis cancellatis ; 

 aperturee lateribus antice angustatis, margine denticulato, 

 postick rotundato, antice profunde fissurato, incisurd longd et 

 latd. 



Hab. Singapore, on shells, 7 fathoms. Mus. Cuming. 



23. Emarginula aculeata, A. Adams. E. testd elongato- 

 ovali, depressd, rufescente, vertice subpostico, retrorsum in- 

 clinato ; costis radiantibus, aculeato-asperis, prominentibus, 

 interstitiis valde clathratis; aperturee margine denticidato, 

 antice fssurato, fssurd profundd. 



Hab. ? Mus. Cuming. 



24. Emarginula l^vicostata, A. Adams. E. testd parvd. 



