63 
rotundato revoluto ; umbilico parvo, angusto ; operculo tenui, cor- 
neo, anfractibus 6-7. 
Several varieties of this species were brought from the Philippine 
Islands by Mr. Cuming ; they are as follows :— 
Var. a. Shell greyish red. Found on leaves of trees at St. Juan, 
in the province of Cagayan, island of Luzon. 
Var. b. Shell white, with angular brown stripes. Same locality as a. 
Var. c. Shell white, with very delicate brownish streaks. Same 
locality as a. 
Var. d. Shell larger; white. Found upon palm-leaves near Cata- 
naun, in the province of Tayabas, island of Luzon. 
Var. e. Shell small; white. On leaves of trees at Lallo, in the 
province of Cagayan. 
Cyciostoma L&vE, Gray ; C. immaculatum, Chemnitz. 
Of this species Mr. Cuming has collected the following varieties, 
viz. 
Var. a. Shell white, with an obsolete keel. Found on leaves of 
trees at Bulinao, province of Zambales. 
Var. 6. Shell whitish, covered with small brown streaks and dots. 
Same locality as a. 
Var. c. Shell white, with a brown band in front. Same locality as a. 
Var. d. Shell of a pale colour, with a brown circumferential band. 
Found on leaves of bushes at Sinait, in the province of South Ilocos, 
island of Luzon. 
Var. e. Shell pale, with strongly marked irregular stripes of brown. 
Same locality as a. 
CycLosToMA PERPLEXUM, nob., Thes. Conch. part 3. pl. 30. f. 243, 
244. Cycl. testd suborbiculari, subconicd, tenui, albidd, pallide 
fusco varie nubeculatd, spird brevi, anfractibus quinque, subrotun- 
datis, levibus, ultimo ad peripheriam subcarinato, postice lineis 
levatiusculis distantibus nonnullis munito ; suturd indistinctd ; aper- 
turd subcirculari, peritremate crassiusculo, reflexo, ad ultimum an- 
Sractum interrupto, latere umbilicali revoluto ; umbilico mediocri. 
Found on bushes at Abulug, isle of Luzon, by Mr. Cuming. 
CycLosroma MucronattM, nob., Thes. Conch. part 3, pl.25. f.91. 
Cycl. testd suborbiculari, depressd, pallescente-fuscd, tenui, spird 
brevi, mucronatd ; anfractibus quatuor, rapide crescentibus, rotun- 
datis, tenerrime transversim striatis ; suturd validd ; aperturd cir- 
culari, peritremate duplici, externo lato, subreflexo, interno angusto, 
lineari ; umbilico lato ; operculo multispirali, suturd anfractuum 
lamellosd, margine canaliculato, intis nitido. 
Found by Mr. Cuming under decayed leaves at Calauang in Luzon. 
Cyciostoma FULVESCENS, nob., Thes. Conch. part 3. pl. 25. f. 79, 
80. Cycl. testd globoso-conicd, tenuiusculd, pallidé brunned, spird 
subacuminatd, anfractibus quinque, rotundatis, confertim spiraliter 
striatis, ultimo maximo ; aperturd fere circulari, peritremate tenui ; 
suturd distinctd ; umbilico parvo. 
From Madagascar. Sent to Mr. Cuming by Mr. Petit. 
