808 
OMPHALOTROPIS §. 1. 
506 4. O. rosea Gould. 
T. vix perforata, ovato-subturrita, solida, laevigata, rosea; 
spira elongato - conica , sursum lutea, apice obtnsa; anfr. 6 
planiusculi , ultimas spira brevior , basi rotundatus, juxta per- 
forationem carina filiformi munitus; apertura obliqua, ovalis; 
perist. subincrassatum, rectum, marginibus conniventibus, callo 
junctis. — Operc. ? — Long. 8, diam. 4% mill. Ap. 3 mill, 
longa, 2 lata. (Mus. Cuming.) 
Cyclostoma roseum Gould in Proc. Bost. Soc. 1847. p. 205.*) Exped. 
shells p. 39. Ed. 1851. p. 105. f. 121. 
— — Petit Journ. Conch. 1850. I. p. 47. 
Omphalotropis rosea Pfr. in Proc. Z. S. 1851 ; Consp. N. 454. 
Habitat in insulis Feejee. 
507 5- ©. vallata Gould, f 
T. parva, solida, elongato - conica , lucida, fusco-cornea , 
spirae anfr. 6 convexi, subangulati, ultimas costa valida um- 
bilicum ambiente munitus; sutura profunda; apertura oblique 
ovata; perist. simplex, continuum, campanulatum. — Lat. ! / 8 , 
alt. 7 S poll. (G.) 
Cyclostoma vallatum Gould in Proc. Bost, Soc. 1847. p. 206. Exped. 
shells p. 39. Ed. 1851. p. 107. f. 122. 
— — Petit Jonrn. Conch. 1850. I. p. 47. 
Omphalotropis vallata Pfr. in^roc. Zool. Soc. 1851; Consp. N. 455. 
Habitat in insula Tonga Tabou. 
508 6. ? seltsiSa Gould. *j* 
T. parva, elongato-conica , tenuis, rufo-cornea, striis in- 
crementi tenuibus solum insculpta, arete umbilicata; spira 
elevata , anfr. 6 — 7 rotundatis , supernis subangulatis ; sutura 
profunda ; apertura rotundato - ovata , parva , trientem longitu- 
dinis adaequans; perist. simplex, pallidum. — Long. 7 S , lat. 
Vio P o11 - (G.) 
Cyclostoma scitulum Gould in Proc. Bost. Soc. 1847. p. 206.**) Exped. 
shells p. 39. Ed. 1851. p. 108. f. 123. 
*) T. parva, solida, elevato-conica, glabra, pallide rosea; spira acuta; 
anfr. 6 convexiusculis, supra arete tabulatis ; sutura bene impressa ; apertura 
spiram haud aequans , ovata ; perist. eversum , acutura ; fissura umbilicalis 
costa circum-abiente finita. — Lat. '/ 5 , alt. ? / 20 poll. (Gould L c.) 
**/ Almost exactly like Amnicola Say ana Anth. It is larger and more 
ventricose than C. vallatum and is distinguished from C. terebrale by its 
less slender form and unexpanded lip. (Gould 1. c.) 
