TROCHATELLA §. 3. 175 



nica, apice submucronata, acuta ; anfr. 6 planiusculi, medio 

 leviter impressi, supra suturam subangulati, ultimus peripheria 

 subcarinatus, basi convexus, obsoletius liratus ; apertura obli- 

 qua , subquadrangulari-ovalis ; columella subverticalis , leviter 

 albo-callosa; perist, simplex , rectum, niargine basnli cum co- 

 lumella subangulatim juncto. — Operc. solidulum, albidum. — 

 Diam. maj. fere 6, min. 5, alt. 42/3 mill. (Coll. Nr. 17.) 



Ilelicinn j)etrosa Gundi. in litt. 



TnochatelUi pclrosa Pfr. in Malak. Bl. IV. 1857. p. 111. 



Habitat in D:iontibus prope Trinidad insulae Cubae. 



14. Tr. rublcuiida Guiiillacli. 



T. conica, tenuiuscula, striis elevatis obliquis lirisque ca- 

 pillaceis distantibus chuhratula, vix nitiduhx, lusco-rubicunda; 

 spira conica, apice acutiuscula ; anfr. 6 vix convexiuscuH, su- 

 pra suturam subangulati, uhimus spira brevior, peripheria 

 subangulatus, basi modice convexus, leviter concentrice liratus, 

 superne pone aperturam impressus; apertura diagonalis, sub- 

 triangulari-ovahs ; columella brevis, subcallosa; perist. simplex, 

 margine dextro expansiusculo. — Operc. soHdulum , rubel- 

 lum. — Diam. maj. 5, min. 41/0, alt. 4 miU. (CoU. Nr. 18.) 



Helicina rul/tcunda Gundluch in litt. 



Trochatella ruhicunda Pfr. in Malak. Bl. IV. 1857. p. 111. 



Habitat Magua prope Trinidad insulae Cubae. 



15. conica Pfr. (Coll. 19. — Grny Phan. p. 238. — 

 Jd. Gen. p. 305.— I'fr. in Mal. Bl. 1856. p. 139. 

 — Heticina cleynns Orb.) Mon. p. 331. 



16. Tr. hians Poey. 



T. conica, tenuiuscula, leviter striatula et Hris spirahbus 

 subdistantibus sculpta, vix nitidula, palhde carnea; spira regu- 

 lariter conica, apice submucronato, luteo ; sutura impressa; 

 anfr. 6 planiuscuh, uhimus convexiusculus, peripheria obsolete 

 angulatus , basi spirahter obsolete striatus ; apertura magna, 

 diagonahs, subtrianguhtri-semiovahs; columeha brevis, caUosa, 

 basi subdentata; perist. expansum , margine supero arcuato, 

 basah fere stricto. — Operc. semiovale, tenue, margaritaceum. 

 — Diam. maj. Ti/.^, min. 6, ah. 51/2 miH. (CoU. "Nr. 20.) 



Hdiciiin hians Pueij Memor. I. p. 113. 120. t. 5. f. 1 -3. 

 Trochalella hians Pfr. iu Malak. Bl. 1854. p. 101. 1856. p. 139. 



