176 
23. Monoponta PHILIPPINA, A. Adams. WM. testd globoso- 
conicd, perforata, fused nigro punctatd ; cingulis granulatis in- 
a@qualibus ornatd, interstitiis clathratulis ; umbilico parvo ; 
columelld tuberculo parvo terminatd ; labro intus sulcato. 
Hab. Puerto Galero, island of Mindoro, in coarse sand, 9 fathoms ; 
Bolinao, province of Zambales, island of Luzon, sandy mud, 10 fa- 
thoms (H. C.). 
1, 24. Monovonta epentuLA, A. Adams. MM. testd ovato-conoi- 
y ded, umbilicatd, fused, costellis transversis imbricatis, interstitiis 
clathratis sculptd; anfractibus valde rotundatis ; umbilico in- 
fundibuliformi ; columelld subrectd, basi tuberculo terminatd ; 
labro margine crenulato. 
Hab. Catbalonga, island of Samar, sandy mud, 6 fathoms (H. C.). 
Mus. Cuming. 
wh9 
UVF 
25. Monoponta roveotata, A. Adams. WM. testd globoso- 
conoided, subperforatd, crassd, albd, cingulis transversis nodulo- 
sis subdistantibus (in anfractu ultimo septem), interstitiis cos- 
tellis longitudinalibus foveolatis ornatd ; columelld dente minuto 
terminatd ; labro intus crasso et lirato. 
Hab. Lord Hood’s Island, on pearl oysters, 8 to 10 fathoms (H.C.). 
Mus. Cuming. 
26. Monoponta exicua, A. Adams. M. testd parvd, conoided, 
umbilicatd, albidd fusco variegatd, cingulis transversis granulosis 
interstitiis longitudinaliter liratis ornatd; anfractibus parum 
convexis, ultimo subangulato ; umbilico recto, dente valido acuto 
terminatd ; labro intus sulcato. 
Hab. Japan (Siebold). 
27. Monoponta ruBRA, A. Adams. WM. testd globoso-conoided, 
umbilicatd, rubrd, cingulis transversis granorum moniliformibus 
a@quantibus interstitiis lineis longitudinalibus impressis ornatd ; 
anfractibus rotundatis, suturd canaliculatd, umbilico magno ; 
columella rectd, dente prominente terminatd ; labro intus crasso, 
sulcato. 
Hab. 
28. Monoponta ALveouaTa, A. Adams. M. testd globoso- 
conoided, umbilicatd, albidd, fasciis fuscis longitudinalibus 
undulatis pictd, cingulis transversis granorum acutorum inter- 
stitiis costis longitudinalibus alveolatis ornatd ; suturd canali- 
culatd; umbilico angusto; columelld rectd, dente valido termi- 
natd; labro intus valde lirato. 
Hab. Guidulman, island of Bohol, rocky ground, 60 fathoms ; 
Baclayon, island of Bohol, under stones, low water ; island of Capul, 
on the reefs at low water (H.C.). Mus. Cuming. 
4 
29. Monoponta anGuuirERA, A. Adams. M. testa elevato- 
conoided, imperforatd ; anfractibus planiusculis, imbricatis, in- 
ferne angulatis, longitudinaliter nodoso-costatis, cingulis trans- 
