CYLINDRELLA §. 7. 427 



58. C. dccollata (Pupa) Nyst. 



«Testa vix arcuato-subrimata, cylindraceo-turrita, crassius- 

 cula, solidula, parum nitens, pallide cinereo-fuscescens; spira 

 sensim attenuata, late Iruncata; sutura impressa; anfractus 

 superstites 10 — 11 vix convexiusculi, subangusti, regulariter 

 accrescentes, costulis tenuibus, subobliquis, vix prominulis im- 

 pressi, ultimus vix descendens, brevissime solutus, dorso sub- 

 angulatus, paulo infra medium sat valide filocarinatus, basi vix 

 slriatus; apertura vix obliqua, irregulariter angulato-circularis, 

 intus albida; peristoma continuum, mediocriter incrassatum, 

 undique breviter reflexum, albidum, margine columellari medio 

 sat valide uniplicato. — Axis, ... — Long. 60, diam. maj. 16Ya 

 niill. Apert. cum peristomate 13 mill. longa, 13 lata.» (Cr. ) 



Pupa decollata Nyst in Bull. Brux. 184t. VIIL p. 344 c. ic. 



Cylindrella decollata Pfr. Mon. Hel. II. p. 368 adnot. (III. 567. 

 IV. 695. VL 364 ex parte.) 



Eucalodium decollatum Crosse Sf Fisch. Moll. terr. Mex. p. 363. 

 t. 14. f. 3. 



Habitat in prov. Tabasco reipubl. mexicanae (Ghiesbreght) et 

 in prov. Vera Paz Guateraalae (Morelet). 



b s. Haec species iiti a Crosse descripta, melius cum typo Nystiano 

 congruere videtur, quam illa, quam tempore, quo formae affines nondum 

 notae erant, eodem nomine descripsi. Conf. Cylindrellam Walpoleanam 



Cr. if F. Nr. 59. 



59. C. Walpolcana (Eucalodium) Crossc & Fischcr. 



«Testa vix arcuato-subrimata, cylindraceo-turrita, truncata, 

 solidula, sub epiderniide olivaceo-fusca, passim longitudinaliter 

 saturatiore, albida; spira sensim altenuata, late truncata ; sutura 

 impressa; anfr. superst. 9 — 10 vix convexiusculi_, regulariter 

 accrescentes, costulis arcuatis, subobliquis longitudinaliter ornati, 

 hic et illic sub coslulis transversim subinconspicue striati, ulti- 

 mus descendens, breviter solutus, antice leviter protractus, dorso 

 angulato-carinatus, paulo infra medium obtuse filo-carinatus; 

 apertura leviter obliqua, irregulariter subangulato-ovata, intus 

 plica columellari valida, subobliqua, ascendente coarctata; perist. 

 continuum , incrassatum , undique breviter reflexum, albidum, 

 interdum luteo-limbatum. — Long. 74, diam. niaj. 19 mill. 

 Apert. c. perist. 1-5 mill, longa, I^Yalata.» (C. — Coll. Nr. 41?) 

 Cylindrella decollata Pfr. Mon. Helic. et in Phil. Abbild. 11, 



(Non Nyst.) 

 Eucalodium Walpoleanum Crosse §f Fisch. in Journ. Conch. XX. 

 1872. p. 73; Moil. terr. Mex. p. 377. 

 l. 14. f. 6. 



