418 ADDENDA. 
pallide cornea, lineis rufis interruptis interdum cincta; spira 
plerumque integra, obtusula; sutura confertssime serrulata; 
anfr. 7 convexiusculi, ultimus non solutus, basi liris paucis 
spiralibus notatus; apertura verticalis, elliptico- ovalis, intus 
nitida; peristoma continuum, simplex, undique breviter expan- 
sum, superne in auriculam angulatam productum. — Operc. 
typieum. — Long. 17, diam. 7 mill. Ap. 6 mill. longa, 4*/, 
lata... (Coll. Nr. 189!/,.) 
Cyclostoma  Rüsei Pfr. mss. 
Habitat in insula Portorico (Riise). 
x 
p. 270. Cyclostoma lineolata Chenu |. c. t. 1. f. 8. 
p. 271. Cyclost. interrupta ( Deless.) Chenu 1. c. t. 1. f. 2. 
p. 271 addatur: 
445 a. 21a. €istula? rigidula Yiorelet. 
'T. turrita, plerumque truncata, lamelloso-costulata, scabra, 
corneo-grisea, fasciis 4— 5 rubigineis interruptis cireumornata ; 
spira conico-turrita, apice laeviusculo; anfr. 7!'/, convexi, su- 
tura profunda discreti, ultimus solutus, deorsum plus minusve 
protraetus; apertura oblonga, intus concolor; perist. duplex, 
margine externo lamelloso, patente, dextrorsum superne in 
angulum concavum producto. —  Long.. testae integrae 12, 
e 
diam. 5 mill. (Mor.) 
Cyclostoma rigidulum Morelet "Testac. noviss. I. p. 18. Nr. 126. 
Habitat rupestria prov. Vera Paz Guatemalae. 
Obs. ,Testa magnitudine pervariabilis.* 
* 
p. 282 addatur: 
4662. "a. €Chondropoma? vespertinum Vorelet. 7 
T. umbilicata, oblongo-conica, saepius truncata, tenuis, 
strigis exilibus incrementi et costulis spiralibus decussata, 
rufescens vel albido-fulva, fasciis et vittis punetiformibus vel 
integris irregulariter picta; sutura denticulata, basi canaliculata ; 
anfr. 7 convexi, ultimus ventrieulosus, brevissime solutus; 
apertura angulato-ovalis, intus nitida, fasciolata; perist. libe- 
rum, simplex, marginibus vix expansiusculis. — Long. testae 
. . o . / x 
integrae 21, diam. 9 mill. (Mor.) 
