BULLA. 



Species 10. (Fig. a, h, Mus. Cuming in Brit.) 



Bulla solid.i. Bid. tenia crasxri, mbci/Undruced, brevi- 

 usctdd, postice suhaltenimtii, antice rotundaid, lar't- 

 (jutd, albidd, fasciis et viaculis latis rubris, cum liiteis 

 albis anyulaiibiis nebulald et variryatd, iiperlurd albd, 

 labro inlus incrassato, labia vahli nrcualo. 



The solid Bulla. Shell thick, subcylindrical, rather 

 short, posteriorly subatteuuated, anteriorly rounded, 

 smooth, whitish, variegated and clouded with red 

 bands and broad spots, with white angular lines ; 

 aperture white, outer lip thickened witliin, inner lip 

 strongly arched. 



A. Adams, MS. Cuming's Cabinet. 



llab. •? 



Species 11. (Fig. a, b, JIus. Cuming in Brit.) 

 I!llla -MEDI.v. Huh testa nubcyliudricd, solidd, i/rised, 

 fu-sco-uiffresceuti punctata et 7iebulatd, supra luedium 

 coaiTtatd, inferue subdldanter spiraliler sulcata, 

 /liubilicu ipiraU spiralUer striata, tiperturd super/ie 

 aiif/iistaio, rectiuscula, labro coarctulo, lahio infra 

 mlde arcuato. 

 Thk .medium Bulla. Shell subcylindrical, solid, grey, 

 spotted and clouded with blackish-brown, narrowed 

 above thr midille, r.ather distantly spirally grooved 



below, spiral umbilicus spirally striat.-d ; apei 

 narrowed above, rather straight, outer lip coutrai 

 inner lip strongly arciied anteriorly. 



PuiLiPPl. Zeitsch. fur Malak. 1847. Sowerby's I'lu 

 rus, pi. 123, f. 70. 



IM. West Indies. 



Species 12. (Fig. a, b, c, Mus. Cuming in Brit.) 



Bulla australis. £ul. lestd solidd, ci/lindricd, utriu- 

 que abtiisd, lata. Jirriijutd. piiilidi' fnhd, griscu quadri- 

 Jmciatd, tiuiciiiis i,iiiiiiH\ niiijuUilis niri&jatd, luteribus 

 rectiusciilis, umbHicii spiruti iiiarijiuato ; aperturd 

 albd, labra supcrni cuneato, labia infra, crusso, spira- 

 liter tortuo. 



The Australian Bulla. Shell solid, cylindrical, ob- 

 tuse on both sides, wide, smooth, pale fawn, with 

 four grey bauds, variegated with minute angular 

 spots, sides rather straight, spiral uud)ilieus bor- 

 dered ; aperture white, outer lip cuneate above, 

 inner lip thick below, spirally tortuous. 



GroY et Gai.mard, Voy. de I'Astrolabe. Sowerby's 

 Thesaurus, pi. 123. f. 64-66. 



Hub. Tahiti, on the reefs: Cunuu"-. 



The broad cylindrical form and cuneate outer '. 

 sufficient to distinguish this species from others. 



January, ISfiS. 



