224 
9. MonopTyGMA TENELLA, A. Adams. WM. testd ovato-turritd, 
albd, subpellucidd, anfractibus quatuor, convewiusculis, trans- 
versim tenuiter striatd; aperturd ovali, labio subreflexo, plicd 
obsoletd instructo ; labro dilatato, margine flecuoso incrassato 
et subreflexo. 
Hab. Philippine Islands. Mus. Cuming. 
A small Rissoa-like shell, with only a faint indication of a plait on 
the columellar lip ; the aperture dilated, and the outer lip expanded 
and slightly thickened anteriorly. 
. 10. Monopryema srytina, A. Adams. WM. testd subulatd, in 
medio incrassato, albd, subpellucidd, anfractibus 9-12, planius- 
culis, transversim tenuiter sulcatd, longitudinaliter substriatd ; 
aperturd oblongd, labio superne plicd obliqud instructo ; labro, 
in medio, subrecto. 
Haé. Catanuan; Philippines. Mus. Cuming. 
A remarkable white subulate shell, with the middle whorls, espe- 
cially those near the apex, enlarged. 
11. MonorryGMa suTuRALIS, A. Adams. WM. testd subulato- 
turritd, subumbilicatd, albd, nitidd, subdiaphand, anfractibus 
septem planis, suturd canaliculatd, transversim sulcatd, an- 
Sractu ultimo subsoluto, fasciis angustis, albo articulatis, or- 
nato; apertura oblongo-ovali, labio plicd evanidd instructo. 
Hab. Philippine Islands. Mus. Cuming. 
A small white species, with the last whorl nearly free, and having 
the suture deeply channeled. 
6. DESCRIPTIONS OF NEW SHELLS, FROM THE CUMINGIAN CoL- 
LECTION ; WITH A NOTE ON THE GENUS NEMATURA. 
By Artuur Apams, R.N., F.L.S. erc. 
PyRAMIDELLA METULA, A. Adams. P. testd subulatd, turritd, 
apice obtusiusculo, albidd anfractibus decem planulatis, longi- 
tudinaliter costatd, costis confertis equantibus, interstitiis 
lineis transversis elevatis ornatd ; aperturd ovali, labio incras- 
sato, in medio plicd unicd instructo; labro margine subin- 
crassato. 
Hab. Mizamis, Cagayan. Mus. Cuming. 
A small elongated species, somewhat resesembling a Rissoina, with 
the intervals between the ribs finely cancellated, and the whorls very 
numerous. 
PyRAMIDELLA AcLis, A. Adams. P. testd subulatd albd nitidd, 
anfractibus octo planiusculis longitudinaliter plicatd, plicis 
equalibus subconfertis, interstitiis levibus; apertura semiovatd, 
labio subincrassato plicd unicd munito ; labro subdilatato. 
Hab. Philippines. Mus. Cuming. 
This is a slender subulate species, likewise resembling in appear- 
ance a Rissoina. 
