MAN GEL I A. 



Plate V. 



(Specimens magnified to two and a half times theu- natm'al length.) 



Species 13. (Mus. Cuming.) 



Mangelia pyramidalis. Many, testa pyramidali, tur- 

 ritd, longitidinaliter codatd, costarum interditus 

 siriaiis ; aperturd pand, brevi ; alba. 



The pyramidal IIangelia. Shell ppamidal, turreted, 

 longitudiuaUy ribbed, interstices between the ribs 

 striated ; aperture smaU, short ; white. 



Hab. Island of Mindoro, Philippines ; Cuming. 



Of a somewhat hexagonal form, arising fi-om the ribs 

 following one under the other. 



Species 29. (Mus. Cuming.) 



Mangelia Dysoni. Manij. testa ovatd, spird bremusculd, 

 anfraetibus snpernc rotundatis, loiigitudinaliter creber- 

 rime ieiiuicostatis, striis transversis decitssatis ; albidd 

 aurantio-fusco pallide bifasciatd. 



Dyson's ]\Iangelia. Shell ovate, spii-e rather short, 

 whorls rounded at the upper part, longitudinally very 

 closely finely ribbed, decussated with transverse stria? ; 

 ivhitish, eucii'cled with two faint bands of orauge- 

 browu. 



Hab. Hondiu'as (found on the sands) ; Dyson. 



The ribs being decussated with striae have a slightly 

 granular appearance. 



Species 30. (Mus. Cuming.) 



M;.\GELIa abyssicola. Many, testa oblongo-ovatd. 

 uirinque coiispicue attemtatd, longitudbtaUter costatd, 

 Uneis elevatis cinffidafd; albidd, fusco zonatd. 



The deep-dwelling Mangelia. Shell oblong-ovate, 

 conspicuously attenuated at both ends, longitudinally 

 ribbed, encu'cled with raised lines; whitish, zoned 

 with brown. 



Reeve, Pro. Zool. Soc, 1846. 



Hab. Island of Mindanao, Philippines (foimd in sandy 

 mud at the depth of twenty-five fathoms) ; Cuming. 



Peculiarly attenuated at both ends, and corded through- 

 out with raised stria-. 



costatd, costarum interstitiis subtilissme striatis ; mpra 

 albidd, infra plumbed. 



The two-coloured Mangelia. Shell oblong, concen- 

 trically ribbed, interstices between the ribs very finely 

 striated ; white above, lead colour below. 



Reeve, Pro. Zool. Soc, 1846. 



Hab. Island of Ticao, Philippines ; Cuming. 



Distinguished in some measure by its conspicuous con- 

 trast of colour. 



Species 31. (Mus. Cuming.) 

 Mangelia bicolor. Maug. testa oblongd, coiicentrice 



Species 32. (Mus. Cuming.) 



Mangelia funebris. Mang. testd oblongd, concentrice 

 costatd, costarum interstitiis leevibus ; albidd, fascia 

 plumbed laid eingulafd. 



The mourning Mangelia. Shell oblong, concentrically 

 ribbed, interstices between the ribs smooth ; whitish, 

 encircled with a broad lead-coloiu'ed band. 



Reeve, Pro. Zool. Soc, 1846. 



Hab. Island of Ticao (found under stones at low water) ; 

 Cuming. 



The spire is rather more elevated than in the former 

 species, and the shell has altogether a dift'erent aspect. 



Species 33. (Mus. Cuming.) 



MLiNGELlA Stromboides. Mang. testa fusiform.i-ovatd, 

 spird subturritd ; anfraetibus superm angulatis, longi- 

 iudinaliter costatis, costi-s ad angulum nodosis, inter- 

 stitiis subfilissime striatis ; albidd. 



The Strombus-like Mangelia. Shell fusiformly ovate, 

 spii-e somewhat turreted ; whorls angidated round the 

 upper part, longitudinally ribbed, ribs nodose at the 

 angle, interstices veiy finely striated ; whitish. 



Reeve, Pro. Zool. Soc, 1846. 



Hab. Island of Bohol, Philippines. 



Mr. Cuming possesses a specimen of this shell from the 

 Red Sea, collected by Dr. Riippell. 



Species 34. (Mus. Cuming.) 



Mangelia pallida. Mang. testd ovatd, concentrice cos- 

 tatd, costis mibotusis ; albd. 



The pale Mangelia. Shell ovate, concentrically ribbed, 

 ribs rather obtuse; white. 



June, 1846. 



