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12. Phos turritus, A. Adams. P. testd ovato-fusiformi, tenui, 
subpellucidd, spird turritd, acuminata , albido-fuscatd; anfrac¬ 
tibus rotundatis, costis longitudinalibus angustis numerosis, 
lineis elevatis, transversis, ad costas nodulosis, ornatis; colu¬ 
mella plied antied subevanidd. 
Hab. Panama, coral sand, 6 to 10 fathoms; II. C. 
13. Phos textilis, A. Adams. P. testd elongate ovatd', albidd , 
spird acuta', costis rotundatis, crassis, infra suturam nodoso- 
angulatis, lineis transversis, planis, subconfertis, elevatis, inter- 
stitiis longitudinaliter subtilissime striatis; columella plied 
antied validd. 
Hab. Dumaguete, Philippines ; H. C. 
In general form this species approximates P. Blainvillii, but the 
elaborate and distinct style of sculpture and white aperture at once 
distinguish it. 
14. Phos rufocinctus, A. Adams. P. testd ovato-fusiformi; 
spird produetd, angustd, albidd, fascia rufd ornatd; anfracti- 
bus rotundatis, costis crassis, infra suturam rotundatis, lineis 
transversis, elevatis, nodulosis, confertis, ornatis; columella 
plied antied produetd. 
Hab. Dumaguete ; H. C. 
The nucleus of this species is large and papillary. 
15. Phos scalarioides, A. Adams. P. testd ovatd, acuminata, 
turrit a.', albidd, fusco variegatd, obscure fusco bifasciatd; an- 
fractibus rotundatis, costis longitudinalibus, distantibus, infra 
suturam rotundatis, lineis elevatis, transversis, ad suturas no¬ 
dulosis, interstitiis subtilissime longitudinhliter striatis; colu¬ 
mella superne callosa, inf erne plied produetd; labro intus 
lirato. 
Hab. -? 
A beautiful species, with regular, strong ribs, giving it the appear¬ 
ance of a Scalaria. 
16. Phos spinicostatus, A. Adams. P. testd ovatd, spird acu¬ 
minata, albidd, sparsim fusco nebulosd; anfractibus rotundatis, 
costatis, costis distinctis, sub distantibus, infra suturam angu¬ 
latis et spinosis, lineis transversis elevatis ornatis; columella' 
rufo-fusco maculatd, plica antied produetd; labro intus rufes- 
centi lirato. 
Hab. Batangas, in insulis Philippiuis. 
17. Phos nodicostatus, A. Adams. P. testd ovatd, turritd, 
acuminata, albidd, rufo-fusco maculatd; anfractibus rotundatis, 
costatis, costis distantibus, infra suturam angulatis et nodosis, 
lineis transversis, elevatis, ad costas nodulosis ornatis; colu¬ 
mella plicis evanidis, plica antied validd produetd. 
Ilab. ad insulam Negros; II. C. 
The two species, described above, are somewhat similar in form. 
