320 
STOASTOMA §.1.2. 
tura parum obliqua, semiovalis; perist. simplex, acutum, ad 
basin marginis columellaris appendice callosa, horizontaliter 
in carinam umbilicarem producta, instructum. — Operc. nor- 
male. — Diam. maj. 4'/ 4 , min. 3 3 / 4 , alt. 4 mill. (Coll. Nr. 1.) 
Cyclostoma succincum Sow. in Proc. Zool. Soc. 1832. p. 32. *) 
— — . Th. Miill. Synops. p. 37. 
— — Sow. Thes. N. 51. p. 108. t. 23. f. 18. 19. 
— — Chcmn. ed. II. Cycl. N. 15. p. 24. t. 3. f. 12—14* 
— australe Muhlf, \ mss. in Ant. Verz. p. 54. N. 1946. 
Cyclophorus succineus Pfr. in Zeitschr. f. Malak. 1847. p. 108. N. 22. 
Stoastoma succincum Pfr. in Zeitschr. f. Mai. 1849. p. 115. 1850. p. 59. 
Elcctrina succinea Gray Catal. Cycloph. p. 30. 
Habitat in insula Opara Polynesiae. 
§. 2 . 
527 2. St, pisum Adams, 
T. perforata, globoso-conica, liris distantibus subtilissimis 
spiralibus sculpta, non nitens, pallide straminea; spira conica, 
acuta; anfr. 5 vix convexiusculi, ultimus rotundatus; apertura 
axi subparallela , semiovalis; perist. simplex, vix expansius- 
culum, continuum, margine dextro arcuatim dilatato, basali in 
carinam lamelliformem , ad perforationem ascendentem, termi- 
nate. — Operc. normale. — Diam. maj. 4'/ 2 , min. 4, alt. 3 
mill. (Coll. Nr. 2.) 
Stoastoma pisum Adams Monogr. p. 11. **) 
— — Pfr. in Zeitschr. f. Mai. 1850. p. 59. 
— — Petit in Journ. Conch. 1851. I. p. 83. t. 2. f. 5. 
Habitat in insula Jamaica. 
528 3. St. Uiidsleyanum Adams. 
T. perforata, conoidea, liris distinctis, confertis (in parte 
supera anfractus ultimi inaequalibus) spiralibus sculpta, opaca, 
*) T. parva, orbiculato-pyramidali , laevi, succinea; anfr. 5 rotundatis; 
sutura distincta; apertura rotundata, margine basali interna angulata; peri- 
tremate tenui , acuto ; umbilico parvo , margine carinato. — Long. */ 5 , lat. 
V20 P°H* (Sow. 1 . c.) 
**) T. subglobosa, pallide sulphurea, striis exilibus spiralibus paucis 
ornata ; spira conica, acuta ; anfr. 5 haud multum convexis ; apertura sub- 
campanulata; labro longe producto, sparsim et exile denticulato, infra auri- 
culato ; labio haud multum soluto ; umbilico angusto , profundo. — Diverg. 
110°; long. 3,56; lat. max. 4,7; lat. min. 4,08 mill. (Adams 1. c.) 
