CISTULA $ 1.2. 263 
Cyclostoma pleurophorum Pfr. in Proc. Zool. Soc. 1851. Jul. 
— -— Chemn. ed. II. N. 299. t. 40. f. 5. 6. 
Cistula pleurophora Pfr. Consp. N. 383. p. 66. 
Habitat Honduras. 
$. 2s 
5. €. radiosa TM orelet. 429 
T. vix subperforata, tenuis, ovato-oblonga, truncata, liris 
concentricis obtusis, lineisque elevatis longitudimalibus confer- 
tissimis decussata, haud nitens, diaphana, palhde fulvida, lineis 
rufis cingulata; sutura simplex; anfr. superst. 4'/, convexius- 
culi, ultimus penultimum non superans; apertura verticalis, 
subovalis, superne subangulata; perist. simplex, late et rec- 
tangule reflexum, limbo concentrice subimbrieatim striato et 
rufo-radiato, ad anfr. penultimum exciso. — Opere. C. cate- 
natae. — Long. 15—16, diam. 8 mill. Ap. 5 mill. longa. 
(Coll. Nr. 188.) 
Cyclostoma radiosum Morelet "Test, noviss. p. 22. N. 55. *) 
— — Chemn. ed. II. N. 267. t. 37. f. 15. 16. 
Cislula radiosa Pfr. Consp. N. 384. 
Habitat petrosa provinciae Petenensis Guatemalae. 
6. €. Tamsiana Pfr. 430 
T. subperforata, oblongo-turrita, vix truncatula (saepe 
integra), tenuiuseula, longitudinaliter et confertim. plicatula, 
parum nitida, coerulescenti-fusca, lineis castaneis interruptis 
vel seriebus punctorum ornata; sutura minutissime et confer- 
tissime denticulata; anfr. 7 convexi, ultimus antice vix solutus; 
apertura subverticalis, subangulato-rotundata; perist simplex, 
continuum, undique breviter expansum. — Operc. fusculum, 
nucleo parum excentrico. — Long. (testae integrae) 16, diam. 
7 mill. Ap. 5 mill. longa, 4'/, lata (Coll. Nr. 189.) 
) T. ventriculoso- pyramidalis, perforata, creberrime decussata, trans- 
lucida, pallide fulva, lineolis interruptis rubiginosis in ultimo anfractu satu- 
ratioribus, ad basin radiatim divergentibus ornata; spira turrito acuminata, 
saepius truncata; anfr. 8 convexiusculi, ultimo ventricosulo; apertura rotundo- 
ovalis, callo nitido cingulata; perist. expansum, concavum, lamelloso-crispa- 
tum, superne dimidiatum , appressum; marginibus tenuibus, acutis, versus 
umbilieum plerumque fimbriatis. — Long. testae integrae 20; diam. 8'/, 
mill. (Mor. 1l. c.) 
