174 ADAMSIELLA $8. 3. 4. 
momea, rufo maculata et marmorata; sutura suberenata; anfr. 
superst. 4—4'/, angusti, convexi, ultimus angustior, teres, 
antice longe solutus, descendens; apertura diagonalis, parvula, 
circularis; perist. duplex : internum breviter porrectum, exter- 
num perdilatatum, convexe reflexum, superne subangulatum. — 
Operc. normale. — Long. 14, diam. 6'/, mill. Ap. 3'/4, cum 
perist. ( mill. longa. (Coll. Nr. 129.) 
Cyclostoma monstrosum dams Contrib. to Conch. N. 1. p. 5. 
-— — Chemn. ed. 1I. N. 259. t. 36. f. 17. 18. 
A damsiella monstrosa Pfr. Consp. N. 250. t 
Habitat in insula. Jamaica. 
$. 4. 
290 9. A. xanthostomza Sowerby. 
T. aperte perforata, oblongo-turrita, truncata, solida, liris 
obtusis spiralibus undulata, longitudinaliter. confertissime striata 
et distanter sulcata, cinereo-rufescens vel pallida, opaca; spira 
regulariter attenuata, late truncata: sutura profunda, subsim- 
plex; anfr. superst. 4!/,—5 rotundati, lente accrescentes; aper- 
tura verticalis, subcircularis, intus carnea; perist. duplex, au- 
rantiacum vel Eb internum simplex, pvo externum 
continuum, horizontalter dilatato-expansum,  subundulatum, 
superne subangulatum. — Obperc. normale. — Long. 13, diam. 
6'/, mill. Ap. 32?/, mill. longa. (Coll. Nr. 130.) 
Cyclostoma xanthostoma Som. 'Thes. N, 149. p. 144. t. 29. f. 175, *) 
-- — Chemn. ed. II. N. 118. p. 115. t. 14. f.6--8. 
— tenuistriatum 44dams Contrib. to Conch. N. 1. p. 8. pon 
Choanopoma xanthostoma Gray Catal. Cycloph. p. 53. N. 23. 
Adamsiella xanthostoma Pfr. Consp. N- 251. 
Habitat in. insula Jamaica. 
*) 'T. oblonga turrita, erassiuscula, cinereo-rufescente, apice decollato; 
anfr. 4— 5 rotundatis , transversim tenerrime striatis et spirahter sulcatis, 
nonnunquam transversim tenuiter sulcatis, sulcis distantibus; sutura pro- 
funda; apertura subcirculari; peritremate duplici, aurantiaco - rufescente, 
interno simplici, tenuiusculo, externo latiori, reflexo , tenuiter subundulato; 
umbilico medioeri. — Savanah la Mar, Jamaica. (Sow. l. c.) 
**) Shell elongate; deeply colored with grayish and reddish slate 
color, with an orange lip; with numerous distinct spiral striae decussated by 
excessively minute and numerous transverse striae and by a few distant fine 
deep striae; spire with moderately convex outlines; apex truncate with the loss 
of two or three whorls; four and one-half rather convex whorls remaining, 
