EMARGINULA.— Plate VII. 



oentrically ridged ; apex recurved, nculeated, post- 

 median. 



A Adams. Proc. Zool. Soc, 18.51. 



//„/,. ? 



The narrow brown rays give a spriglitliness of ap- 

 pearance to this pretty little species. 



Species 50. (Mus. Brit.) 



E.MAiiGiKULA L.\TA. Enui. tcsti'i di'/irps.-'i'i. pollijc fuli-ci, 

 suhquadi-'ili'i, mslis niijuxis. riilidi.-!. iiKriiiKilibvs, 

 lateralitir siil.roNi/inssis r.uliatu. iii/cis/iliis iincjus- 

 tis ; co^tilji,<siinili (la-iitn ; Jh.<iii;i juirra, qiKiilrata ; 

 api'rc ceiitrali, uhliiso. 



The broad Emaiiginula. Shell depressed, pale fulvous, 

 aubquadrate, rayed with rough, strong, unequal, 

 laterally rather compressed ribs, with narrow in- 

 terstices ; fissural rib raised ; fissure small, square ; 

 apex central, obtuse. 



QuoY. Voyage de I'Astrolabe. 



,Siili,'inori/iimla catilhis, A. Adams. 



/Mk Australia. 



Species 51. (Fig. -(. /;, I^his. Brit.) 



IIXULA ALVKOLAIA. A'/«a. ti'dii Jiull/di' fulc 



raWi, siihcovici't, elerald, co.^tis ortodecim circ 



rrassis, rugatis radiatd; intersfitiis concentiice 

 liratis ; apice postico, retrorso, dorso antice arcuato, 

 pnstice infm apicem fere perpend'iculariter declivi ; 

 fi.^.<:urd hrf'ri. 



The CHANNELLED Emarginula. Shell pale fulvous, 

 ovate, rather conical, elevated, rayed with about 

 eighteen thick, wrinkled ribs with concentrically 

 ridged interstices ; apex posterior, turned back ; 

 back arched anteriorly, almost perpendicu- 

 larly sloped posteriorly below the apex ; fissure 

 short. 



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



Hab. Honduras. 



Species 52. (Mus. Brit.) 



Emai:ginula longifiss.*. Ema. testa oblongd, depressd, 

 svbquadratd, costis anticis distantibtts, majorihus 

 luterulibus compressis radiatd ; apice loinje post- 

 mediani ; fissurd elongatd, incisd. 



The long-slit Emarginula. Shell oblong, depressed, 

 subquadrate, rayed with ribs, the anterior ones 

 distant, lateral ones compressed ; apex far behind 

 the middle ; fissure lengthened, incised. 



SowEKBY, Thesaurus Conchyliorunh Fissurellidss, 

 Emarginula, species 19, PI. XL f 62. 



I/ab. —) 



