E M A R G I N U L A. 



.Species 22. (Fig. a, b. Mus. Brit.) 



KMAi:(il.NUL.\ VAEIEGATA. Ema. testi'i, suhconicd, depn 

 lata, punctis radiisque varicgatd ; apice obtuso,pi 

 post-mediani ; costis iiiceqiialibus,numerosis, j-iigi 

 hinc-illic nigi-o quasi-articulatis ; Jissnrd brevi. 



Thk v.\r.iKG.\T£D Ejiakginula. shell rather coui 

 depressed, broad, varied with spots and rays ; a 

 obtuse a little behind the middle ; rib.s iiiic(| 

 numerous, rugose, here and there svemii 

 articulated with black : fissure sliort. 



A. Adams. Proc. Zool. Soc, IS.')!. 



Hab. Australia. 



Nearly ot' the ibrni of Einan/inula fulojinai. 



with rouifher and strocger ribs. 



Species 23. (Mus. Brit.) 



K.MAIMUNULA DILECTA. EllUl. imtd dtprCSSd, jlOSticC 



latiusculd, albidd ; apice subrelrorso ; costis sub- 



asqvxilibus, suhdistmitibus ; interstitiis concentric!: 



liratis ; Jissurd subekmgatd. 

 The choice Emarginula. Shell depressed, rather 



broad posteriorly, whitish ; apex leaning a little 



backwards ; ribs nearly equal, rather distant ; 



interstices conccntricalh' ridged ; fissure rather 



lengthened. 

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

 Ilab. George's Sound, South Australia. 



The regularly concentric ridges shown in the inter- 

 stices give this little shell a be<iutifully cancellated 

 appearance. 



Species 24. (JIus. Brit.) 

 Emai:gi.\-l'LA f>B0VATA. Ema. testd dfp7-essd, albidd, 

 posticl' subexpansii, antice awpistiusculd ; apire 

 paulo post-mediani, recui-vo ; costis imbncatis et 

 liris conceiitricis parvis cancellatd ; casta fissurali 

 /ovcolatd,tissiird snbelonyatd, iiirisd. 



The ohuvate Emahginula. Shell depressed, whitish, 

 a little expanded posteriorly, rather narrow 

 anteriorly ; apex a little behind the middle, 

 recurved ; cancellated with imbricated ribs, and 

 small concentric ridges ; Hssural rib pitted, fissure 

 rather long, incised. 



A. Adams. Proc. Zool. Soc, ItSal. 



Ilab. Catbalonga, Isl. Saniar, H. Cuming. 



Species 2.'>. (Mus. Brit.) 



Emakginula rcKCTiccLAiA. Enta. testa cllij)licd,postict- 

 paulii latim-i, albidd, costis radiantibus, ntyosis, siib- 

 distantihis et liris tenuibus conceittrids reticulatd ; 

 apiri: pustico acuta recurvo ; cicatrice Jissurali 

 planulutd ; Jissurd latd, breviusculd. 



The ruNCTicuLATED FisscKELLA. Shell ellijjtic, a 

 little broader posteriorly, whitish, reticulated with 

 rough, rather distant radiating ribs and thin con- 

 centric ridges; apex posterior, sharp, recurved; 

 fissural cicatrix flattened ; fissure liruad, rather 

 short. 



A. Adams. Proc. Zool Soc, Is.'il. 



Hab. .' 



Quite distinct from En 

 although similar in form. 



■tula 



ulpture 



S])ecies 20. (Mus. Brit.) 



Emai;g1N-ULA chassa. Eiim. testd luaynd, ehcald. coined, 

 solidd, albd, postice latiori, ca.^lcllis uiiniit' nodosis, 

 incequalibus, fasciculatis, radiatd ^ a/ncc rttrorso, 

 post-mediani, cix incurvo. 



The thick Emahgixula. Shell large, elevated, conical, 

 solid, white, posteriorly broader, rayed with 

 minutely nodose uneipial fasciculated riblets; 



December, 1S73. 



