EMARGINULA.— Plate IX. 



Species 66. (Fig. a, h, Mus. ? copied.) 



Emarginul-a. decorata. £!ma. testa parvd, siMepressd, 

 alba, arcuatim convexd, costellis radiantibus an- 

 gustis, et liris interstitialihis planatis n.imitis con- 

 centricis sculptd ; apice obtuso, valde retrorso ; fismra 

 brevi, incisd. 



The decorated Emarginula. Shell small, sub- 

 depressed, white, arched convexly, sculptured 

 with narrow, radiating ribs and minute flattened, 

 interstitial concentric ridges; ape.x obtuse, very 

 backward ; fissure short, incised. 



Deshates. Conch, de I'lsl. de la Reunion, p. 49, PI. VII., 

 f. 68. 



Ilah. Isl. Reunion (Bourbon). 



A very interesting and neatly sculptured minute 



species. 



Species C7. (Fig. «, J, Mus. ? copied.) 



Emarginula fenestrella. Ema. testa piarvd, alhidd, 

 convexo-arcuatd, oblongo-ovatd, costis crassis, Icevi- 

 bus, rotundis radiantibus, et foveolis parvis, rotundis 

 interstitiaUbvs sculptd; apice ohtuso, valde retrorso; 

 cosid fssiirali disliiicto ; Jissv7-d breviuscidd, incisd. 



The casement Emarginula. Shell small, whitish, 

 convexly arched, oblong-ovate, sculptured with 

 thick, smooth, rounded, radiating ribs, and small 

 rounded insterstitial pits ; apex obtuse, very back- 

 ward ; fissural rib distinct ; fissure rather short, 

 incised. 



Desiiayes. Conch, de la Reunion, PI. VII., fig. 12-15. 



Hab. Isl. de la Reunion (Bourbon). 



Species 08. (Mus. Deshayes.) 

 Emarginula decorata. Ema. testd alba, ovatd, costis 

 validis subdislantibus munitd, inter costas foveolis 

 mibquadratis concentric!: cancellatd ; apice obtuso, 

 retrorso ; Jissurd breviusculd, lata. 

 The decorated Emarginula. Shell white, ovate, 

 strengthened with rather distant, strong ribs, con- 

 centrically cancellated between the ribs with 

 squarish pits ; ape.x obtuse, placed backwards ; 

 fissure rather short, broad. 



Desh.\tes Conchyliologie de I'lsle de la Reunion. 

 Hab. Isl. Reunion (Bourbon). 



Species 69. (Fig. a, b, Mus. Sowerby.) 

 Emarginula Oldhami. Ema. testd albidd, conicd 

 oblongd, iiTegulariter hexagond, ineequilaterali, 

 costis magnis nodosis qiiiwpie majoribus, inter- 

 stitialibus minoribns radiantibus et liris parvis con- 

 eenti'icis sculptd ; apice elevato, versus margineni 

 dextrum incurvo ; costd Jissurali lamelliformi, pro- 

 minenti, Jissurd brevi, jjrofundd. 

 Oldham's Emarginula. Shell whitish, conical, oblong, 

 irregularly hexagonal, inequilateral, sculptured 

 with five large, nodose, radiating ribs, some inter- 

 stitial smaller ones and small concentric ridges ; 

 apex raised, bent in towards the right margin ; 

 fissural rib lamelliform, prominent, fissure short, 

 deep. 

 Hab. Ceylon. 



This remarkably formed species has some affinity 

 with Emarginula Panhiensis, in which there is a slight 

 tendency to the one sidedness so decided on the shell 

 before us. 



Species 70. (Fig. a, b, Mus. Sowerby.) 



Emarginula tu.mida. Ema. testd ovato-suhrofundd, 

 albidd, antice subcontracto, costis prominentibus 

 niimerosis subserratis, acutis radiantibus et liris 

 irregularibus concentricis cancellatd ; dorso antice 

 valde arcuato, gibboso ; costd Jissurali prominenti, 

 Jissurd breviusculd, profundd, incisd ; apice versiis 

 marginem posticiim inclinato. 



The tumid Emarginula. Shell ovate rotund, whitish, 

 a little concentrated anteriorly, cancellated with 

 numerous slightly serrated, sharp radiating ribs 

 and irregular concentric ridges ; back anteriorly 

 much arched, gibbous; fissural rib prominent, 

 fissure rather short, deep, incised ; ape.x inclined 

 towards the posterior margin. 



Sowerby. 



Hab. ? 



Emargiuula Candida is a less tum'd shell, and the 



notch is very short and not incised as in this species. 



