470 Mr. A. Adams on the Species of 
usque ad marginem peristomatis producta ; perist. continuo, bre- 
viter soluto, crasso, margine dextro plicis pluribus corrugato. 
Long. 8 lin., diam. (anfract. penult.) 2 lin. 
Hab. Tanabe. 
The most striking peculiarity in this species is the wrinkled 
or plicate nature of the right margin of the peristome. 
8. Claustlia (Phedusa) Stimpsont, A. Ad. 
C. testa vix rimata, fusiformi, solida, pallide fusca, oblique striata ; 
anfract. 9, planatis, ultimo antice angustato, rotundato; apertura 
parva, pyriformi, lamella supera valida compressa, infera pro- 
funda, callosa; lunella inconspicua; plica palatali longa, arcuata, 
suture parallela, subcolumellari usque ad marginem peristomatis 
producta; peristomate albilabiato, undique expanso, margine 
subincrassato. 
Long. 63 lin., diam. (anfract. penult.) 17 lin. 
Hab. Tsus-Sima, Awa-Sima. 
A pale-brown, rather coarsely striated species, with the 
peristome white and thickened, and with the subcolumellar 
plica ending conspicuously on the right margin, 
9. Clausilia (Phedusa) stenospira, A. Ad. 
C. testa rimata, fusiformi, solida, oblique strigillata, viridi-fusca ; 
spira sursum valde attenuata; anfract. 11, planiusculis, ultimo 
antice in cristam basalem compresso ; apertura pyriformi ; lamella 
supera compressa, infera valida callosa; lunella imperfecta; plica 
palatali 1 longa, suture parallela, subcolumellari intra marginem 
peristomatis desinente; perist. continuo, undique expanso, sub- 
reflexo, margine sinistrali inflexo, subincrassato. 
Long. 84 lin., diam. (anfract. penult.) 2 lin, 
Hab. Kino-O-Sima. 
A greenish-brown species, with the peristome expanded but 
not reflexed, and with the left margin bent inwards and 
thickened. . 
10. Clausilia (Phedusa) Grouldi, A. Ad. 
C. testa vix rimata, fusiformi, solida, pallide fusca, oblique striata ; 
spira sursum valde attenuata, apice acutiuscula; anfract. 9, pla- 
niusculis, ultimo antice rotundato; apertura obliqua, pyriformi ; 
lamella supera compressa, infera valida, arcuata, producta ; lunella 
imperfecta; plica palatali 1 longa, suture parallela,subcolumellari 
usque ad marginem peristomatis producta; perist. albo, subin- 
crassato, undique breviter expanso. 
Long. 8 lin., diam. (anfract. penult.) 1? lin. 
Hab. Tago. 
A neat, dirty-brown, strongly striated species, with the 
spire very much attenuated towards the apex. 
