EMARGINLTLA.— Plate II. 



variegaid, inlus subvh-idis ; apice ohtuso, suhcfiitraH 

 viridescenti ; Jissw-d brevissimd. 



The smokt Emarginula. Shell small, ovate, depressed, 

 minutely ribbed, sooty, radiately variegated vritli 

 black, greenish within ; apex obtuse, subcentral, 

 greenish ; fissure very short. 



A. Adams. Proc. Zool. Soc, 1851. Sowerby's The- 

 saurus, f. 7, 8. 



Ifab. ? 



Species 11. (Mus. Brit.) 



Kmaeginula sulcifera. Ema. testa ovali, depresso- 

 conicd, intiis viridescenti, extHs fusro-purpired ; 

 apice ohtuso, postico ; costellis striisque, radiantihus 

 incequalihiis ; margine intei'no crenulato, nigro 

 punctata ; canali Jissurali lateralis intiis prof undo ; 

 fissurd parvd. 



The grooved Emarginula. Shell oval, depressed- 

 conical, greenish within, purplish- brown without ; 

 apex obtuse, posterior ; radiating ribs and strise 

 unequal; inner margin crenulated, spotted with 

 black; fissural canal lateral, deep within; fissure 

 small. 



A. Adams. Proc. Zool. Soc, 1851. Sowerby's The- 

 saurus, f. 84, 85. 



Hah. ? Mus. Cuming. 



This is the only species in which the fissure and the 

 canal leading to it are placed, as in Siplionaria, a Uttle 

 on one side. 



Species 12. (Mus. Brit.) 



EsiARGiNULA CRATITA. Eiiia. tcstd ovatd, coidcd, albidd ; 

 costis radiantihus acute nodosis, distaniibiis, inter- 

 stitiis cancellatis, apice oltusiUsculo, paulb post- 

 mediano ; costd Jissurali elevatd, Jissurd brevissimd. 



The wattled Emarginula. Shell ovate, conical, 

 whitish ; radiating ribs sharply nodose, distant, 

 interstices cancellated, apex rather obtuse, post- 

 median ; fissural rib elevated, fissure very short. 



A. Adams. Proc. Zool. Soc, 1851. 



Hab. ? 



The type specimen in the Cumingian Collection was 



unaccompanied by any information as to its locality. 



Species 13. (Mus. Sowerby.) 

 Emarginula concinna. Uma. testd elongatd, depressd, 



alba ; costis radiantihus numerosis, subnodosis ; 



inttrstitiis cancellatis ; apice postico, subTnarginali, 



arcuato, dorso arcuato, costd Jissu7'ali foveolatd . 



Jissurd elongatd. 

 The neat Emarginula. Shell elongated, depressed, 



white ; radiating ribs numerous, slightly nodose ; 



interstices cancellated ; apex posterior, nearly 



marginal, arched, back arched, fissural rib ribbed ; 



fissure elongated. 

 A. Adams. Proc Zool, Soc, 1851. 

 Hah. Mediterranean ? 



Distinguished from ilarginclla elongata, of Philippi, 

 by the dorsal curve and the nearly marginal position 

 of the apex. 



