140 



5. 0. teres Pfr. 



T. parvula, subcylindrlca, tenuis, sublaevigata, nitida, 

 corneo-fulva; spira in conulum perbreveni , obtusiusculum 

 desinens; sutura impressa; anfr. 5, supcri reguläres, ulti- 

 mus antrorsum valde descendens, basi vix attenuatus; 

 columella callosa, leviter arcuata, basi vix truncata; aper- 

 tura anguste semiovalis, longe acuminata; perist. simplex, 

 margine dextro valde antrorsum arcuato. — Long. T^/a? 

 diam. 2 1/2 mill. Ap. 5 mill. longa, vix 2 lata. 



Habitat Buena Vista in districto Bayamensi, 



6. Spiraxis Moreletiana Pfr. 



T. oblongo-turrita, solidula, laevigata, nitida, corneo- 

 albida, spira elongata, vertice acutiusculo ; sutura distincte 

 marginata; anfr 8 vix convexiusculi, superiores ad suturam 

 plicatuli, ultimus 2/5 longitudinis subaequans, basi parum 

 attenuatus; apertura verticalis, acuminato-semiovalis , intus 

 öubmargaritacea; columella superne plica obliqua dentiformi 

 munita, tum substricte descendens, vix truncata; perist. 

 simplex, rectum, margine dextro leviter antrorsum arcuato. 

 — Long. 18, diam. 5 mill. Ap. 7^2 "liU- longa, 2V-2 lata. 



Habitat Banao. 



Das beschriebene Exemplar scheint leider bisher das 

 einzige bekannte zu sein, doch hoffe ich, dass Gundlach 

 Gelegenheit finden wird, mehre zu untersuchen, um zu er- 

 sehen, in wie weit die angegebenen Charaktere constant 

 sind. 



7. Succinea Arangoi Pfr. 



T. ovato-conica, tenuis, conf'erte plicatula, pellucida, 

 nitidula, livido-cornea; spira brevis, acutiuscula; anfr. o'/g, 

 ultimus 2/3 longitudinis formans , basi parum attenuatus ; 

 columella tenuis, regulariter arcuata; apertura obliqua, fere 

 incumbens, acuminato-ovalis, intus nitidior; perist. simplex, 

 tenue. — Long 12 — 14, diam. 6 — 7, alt. 5 mill. 



Habitat San Miguel insulae Cubae (Arango), Eangd 

 Gundlach). 



