CYCLOSTOMUS $. 10. 931 
76. €. tectilabris Adams. 389 
T. vix subperforata, ovato-conica, tenuiuscula, longitudi- 
naliter subacute et confertim lamelloso-costata, fulvida, saepe 
violaceo-nebulosa, seriebus multis punctorum ruforum ornata ; 
spira ovata, breviter truncata; sutura albo-crenata; anfr. su- 
perst. 4.convexi, ultimus rotundatus, antice subsolutus; aper- 
tura subverticalis, ovali-rotundata; perist. duplex : internum 
continuum , expansiusculum , externum breviter patens, supra 
perforationem subdilatatum. — Operculum testaceum, planum, 
album, 5-spirum, apertura latius, peristoma includens. —. Long. 
18, diam. 8 mill. Ap. 5'/, mill. longa. (Coll. Nr. 163.) 
Cyclostoma tectilabre -4dams Contrib. to Conch, N. 1. p. 10. 
E — Chemn. ed. II. Cycl. N. 354. t. 44. f. 25—27. 
Cyclostomus tectilabris Pfr. Consp. N. 335. 
Habitat in insula Jamaica. ^ 
71. €. Bronni Adams. 390 
T. rimato - subperforata, ovato-turrita, truncata, solidius- 
cula, confertissime costulato-striata, sericina, pallide fusca, 
punetis rufis seriatis aliquando obsolete notata; sutura regula- 
riter crenata; anfr. superst. 3—23'/, convexi, rapide accres- 
centes, ultimus basi concentrice mulüsulcatus; apertura verti- 
calis, subeircularis; perist. duplex:internum continuum, exter- 
num breviter expansum, margine dextro prope anfr. penulti- 
mum in appendicem brevem, linguaeformem dilatato. — Opere. 
fere C. elegantis, margine sulcatum. — Long. 16, diam. 10 
mil. Ap. intus 6'/, mill. longa, 5?/, lata. (Coll. Nr. 164.) 
Cyclostoma Bronnüi -4dams in Proc. Bost. Soc. 1845. p. 11. *) 
— — . Pfr. in Zeitschr. f. Mal. 1846, p. 46. 
— — . Chemn. ed. Il. N. 43. p. 50. t. 6. f. 24—26. 
— papillare Féruss. Mus. 
Cyclostomus Bronni Gray Catal. Cycloph. p. 47. N. 18. 
— — . Pfr. Consp. N. 347. 
types are geographically remote; this species inhabiting the east end of the 
island from Yallah's Hill eastward, while the other occurs in the middle of 
the south side (Manchester) and westward. Neither species has been found 
in the intermediate regions. (Adams l, c.) 
*) T. fusca, interdum subalbida, decollata; anfr. 2'/, perditis; anfr. 
reliquis 4, supra exile crenulatis, striis longitudinalibus exilissimis parallelis 
ereberrimis — eleganter insculptis; labro crassiusculo, supra in triangulum 
parvum. concavum producto; opereulo albo, subduplici. Div. 58?; alt. 0,67 ; 
lat. max. 0,5; lat, min. 0,35 poll. (Adams l. c.) 
