STOASTOMA $. 3. 323 
$. 3. 
8. St. Pfeifferiamum Adams. 
T. imperforata, subconoideo- depressa, spiraliter. distincte 
et confertim lirata, pallide cerino-fusca, non nitens; spira 
parum elevata, vertice vitreo, obtusiusculo; anfr. 5 planius- 
culi, ultimus subdepressus, antice breviter solutus, basi exca- 
vatus; apertura semicircularis; perist. simplex, rectum, margine 
dextro areuatim producto, basali in carinam ad centrum arcua- 
tim adscendentem continuato. — Diam. maj. 3'/,, min. 23/, 
alt. 2 mill. (Mus. Cuming.) 
Stoastoma Pfeifferianum Adams Monogr. p. 8. *) 
E — Pfr. in Zeitschr. f. Malak. 1850. p. 61. 
Habitat in insula. Jamaica. 
9. St. Fadyemiomnmums: Adams. 
T. perforata, conoideo-depressa, tenuis, stris spiralibus 
inaequalibus et inaequaliter. distantibus sculpta, subopaca, fus- 
culo-flavescens; spira medio in conulum acuminatum elevata ; 
anfr. 4*/, vix convexiusculi, ultimus depressus, superne sub- 
angulatus, basi planus, medio profunde excavatus; apertura 
verticalis,  ultrasemicircularis; —perist. simplex, continuum, 
liberum, margine dextro vix dilatato, basal acute auriculato, 
in carinam spiralter intrantem continuato. — Diam. maj. 3, 
min. 2'/, alt. 1*/, mill. (Mus. Cuming.) 
Stoastoma Fadyenianum Adams Monogr. p. 7. **) 
— — Pfr. iu Zeitschr. f. Mal. 1850. p. 61. 
Habitat in insula Jamaica. 
10. $t. Chittyamnum) Adams. 
T. subumbilicata, subconoideo-depressa, confertim sub 
lente lirata, subopaca, pallide cornea vel cerea; spira subco- 
*) T. subglobosa, pallide cerino-fusca, striis profundis plurimis eleganter 
insculpta; spira brevi, conica, acuta; anfr. 5 haud multum convexis; aper- 
tura haud campanulata; labro multo producto, nec denticulato, nee pecti- 
nato; labio haud multo soluto; umbilico lamella partim obtecto. — Diverg. 
1209; long. 1, 91; lat. max. 2,92; lat. min. 2,16 mill. (Adams l. c.) 
**) TT. subdiscoidea, pallide cerina, carinis exilissimis paucis inaequali- 
bus ornata; spira acuta, concaviter multum elevata; anfr. 4?/,, ultimo ex- 
panso, discoideo, infra planulato; apertura haud multum expansa, semicir- 
culo paululum majore; labro haud pectinato, infra auriculato; labio multo 
21 * 
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