258 TUDORA 6$. 3. 
Cuyclostoma disjunctum Morelel "Test. noviss. p. 23. N. 58. *) Nec Math. 
nec Moric. 
-— Morelletiana Petit iv. Journ. Conch. I. p. 46. 
-— AMoreleti Pfr. in Zeitschr. f. Mal. 1850. p. 88. 
— Moreletianum Chemn. ed. YI. N. 272. t. 37, f. 27. 98. 
Tudora Moreletiana Pfr. Consp. N. 377. 
Habitat in Isla de Pinos prope Cubam. 
423 25. 'F. &vemna Adams. 
T. subperforata, turrita, truncata, longitudinahter confer- 
tim plicata, fuscula, rufo seriatim maculata; sutura fasciculis 
plicarum. prominentibus albo-crenulata; anfr. superst. 5 parum 
convexi, ultimus antice solutus, dorso carinatus; apertura ver- 
ticalis, ovalis; perist. duplex: internum vix prominens, exter- 
num expansum, marginibus superne angulatim junctis, dextro 
latiore. — Operc. normale. — Long. 8'/, diam. 3'/, mill. 
Ap. 2 mill. longa. (Coll. Nr. 184.) 
Cyclostoma avena .4dams Contrib. to Conch. N. 1. p. 6. **) 
-— —  Chemn. ed. II. N. 380. t. 46. f. 33—35. 
Tudora avena Pfr. Consp. N. 378. 
Habitat in insula Jamaica. 
*) 'T. oblongo-conoidea, umbilieata, truncata, regulariter costulato-pli- 
cata, fusco-violacescens vel pallide fulva; lineolis saepissime rubellis sub- 
interruptis fasciata; spira turrita; anfr. 4'/,—5 convexi, ultimo ad umbilicum 
planulato, subporrecto, disjuneto, sursüm carinato. . Sutura valde crenulata ; 
apertura ovalis. Perist. duplex: internum lineare; externum subdilatatum, 
liberum, margine supero angulato, reflexiuseculo, subcanaliculato, carinae 
affixo. — Long. 15, diam. 7 mill. (Morelet l c.) 
**) Shell small, elongate; whitish, more or less tinged with brown, 
with numerous small distant brown dots in spiral series on the lower whorls, 
on the upper whorls blueish gray; with closely set transverse moderately 
elevated lines, some of which, in twos or rarely in threes, are more deve- 
loped at the sutures into small white crenulations; spire with moderately 
convex outlines; apex truncate with the loss of two or three whorls; about 
four and one-half whorls remaining, very convex, with a deep suture; last 
whorl much detached from the penult whorl near the aperture; aperture 
suborbieular, contracted a little on the left side; inner peritreme a little 
produced; outer peritreme rather small, much less extended on the left than 
on the right side, not reflected quite back to the plane of the aperture, pro- 
duced above into a concave angle; umbilieus very small. Mean divergence 
239: length 0,325 greatest breadth 0,14; least breadth 0,11 inch. (Adams l. c.) 
