216 FISSURELLIDTE. 



griseo variegata ; apice obtuso, subcentrali, costis rugosis insequali- 

 bus aeutis numerosis, margine denticulate 



35. fuliginea (pi. x. f. 7, S), A. Adams. — Elliptica, valde de- 

 pressa, fuliginea, apice subcentrali, postice inclinato, costellis 

 aequalibus, radiantibus, granulosis, confertis et lineis increment! 

 concentricis, ornata ; apertura ovalis, intus viridis, margine erenu- 

 lato, antice fissurato, incisura intus in canalem producta. 



36. Japonica (f. 43, 44), Sowb. — Subpurpurea, subelliptica, 

 conica, postice angustata, lateribus compressis, apice obtuso ; fis- 

 sura parva, costis inrequalibus rugosis, margine intus postice in- 

 crassato. Obs. Distinguished by a compression of the sides, the 

 narrowness of the posterior end, and the thickening of the inner 

 posterior edge. 



37. fissurata (f. 104), Chemn. — Depresso-conica, lata, rubra, 

 solida, apice obtuso mediano, costis numerosis, minute nodulosis 

 radiata, interstitiis lsevibus ; fissura parva, cicatrice intus incras- 

 sata. Obs. A rather wide, solid, purplish-red shell. 



38. scabricostata (f. 61), A. Adams. — Ovalis, valde de- 

 pressa, albida, fasciis tribus, lutescentibus, radiantibus, antice 

 ornata; vertice subcentrali, postice inclinato, costis radiantibus, 

 distantibus, corrugatis, interstitiis valde clathratis et corrugatis ; 

 apertura; margine dentato et denticulato, antice valde inciso. 

 Obs. The broad ribs of this little flat shell are minutely scabrous, 

 and E. pumila of A. Adams being similarly characterized, the 

 two shells are here re-united. (G. B. S.) 



39. Vanicorensis (f. 52), Quo// et Gaim. — Oblongo-conica, 

 arcuata, fragilis, alba, margine crenulato, costellis longitudinalibus, 

 rugosis, striis transversis granulatis ; fissura angusta. Obs. The 

 ribs are closer and smoother than in E. scabricostata. 



40. pumila (f. 61),^. Adams. — Orbiculato-ovalis, valde depressa, 

 apice subcentrali, postice inclinato, costis radiantibus nodosis, 

 inasqualibus, et lineis elevatis concentricis incrementi, decussata; 

 aperturse margine denticulato-crenato, antice profundi sinuato ; 

 sinu subquadrato, intus in canalem producto. Obs. A small, 

 white, flat species. 



41. ljsvicostata (f. 57), A. Adams. — Parva, elliptica, valde 

 depressa, apice subpostico, retrorsum inclinato, costis lasvibus ra- 

 diantibus (circa 14) interstitiis costellis longitudinalibus, et lineis 

 transversis late clathratis, apertune margine denticulato, lateribus 

 antice valde inciso. Obs. The cancellated ribs of this little flat 

 species are comparatively smooth and the interstices deeply pitted. 



