86 



incrassato, leviter expanso, marg. callo contiguis. L. 6 — 8, 

 d. 2 — 22/3 mm. (Pyrenceoi). Compl. 1831 c. f. — Forma 1) curtu 

 M. T., minor, typice plicata, at plica^ minus distinctse; 2) novem- 

 plicata M. T., ap. pl. palat. 5 (pl. 2 immersis). 



P. clansilioides Boub. T, perf., fusif.-cylindrica, apice 

 perobtuso, corneo-rufescens, leviter densiss. striata; anfr. 10, 

 ult. ascendens, compressus, basi subcristatus; ap. subsoluta, 

 pl. 2 — 2 — 2 V. 3, angul. valida, bifurcata, par. parva, immersa, 

 colum. compressis, immersis, palat. teuuibus, in medio inter- 

 ruptis (1. longa, subemersa, 2. remota, 3. brevi, immersa, ssepe 

 deficiente, perist. continuo, soluto, albo, undique reflexo. L. 8, 

 d. 3 mm. (Pi/rencece). Bull. hist. nat. 1835. 



P. nanSOUtyi Fag. T. perf., subcylindrica, apice obtuso, 

 conico, tenuis, translucens, corneo-rufa, regul. striata; anfr. 9, 

 regulares, convexi, ult. basi subcompressus; ap. oblongo-rotun- 

 data, pl. 2 — 2 — 2 (3), angul. brevi, par. immersa, colum. 1. 

 immersa, 2. vix conspicua, palat. 1. subemersa, 2. 3. immersis, 

 perist. acuto, reflexo, marg. callo tenui junctis, exter. expanso. 

 L. 7, d. 2 mra. (Pyrencece). Bull. Toul. 1880. 



P. retracta W. T. perf., cylindrico-conica, densiss. 

 striatula, pallide cornea; anfr. 8, convexi, lente regulares, ult. 

 lente ascendens, basi rotundatus; ap. ovato-elliptica, pl. 1 — 2 — 4 

 et tuberculo angulari, par. immersa, curvata, colum. breviss., 

 profunde immersis, palat. immersis, parallelis, antice sub- 

 sequalibus, 1. 4. breviss., 3. sat longa, perist. marg. disjunctis 

 v. callo par. tenuiss. L. 8, d. 2 mm. (Hisp. ad Sevilla). 

 Nachr. blatt 1892. 



Var. isemidens W. (Nachr. blatt 18931: t. fortius regul. 

 striata, anfr. 7, ap. pl. palat. 4, longe et feque a margine 

 remotis (1. 2. 4. .•Te^.qualibus, breviss., crassis, 3. paullo longiore), 

 omnibus in plicas breves attenuatis. (Hisp. ad Albarracin). 



P. aulusensis Fag. T. cylindracea, vix acuminata v. 

 conica, corneo-rufa, regul. et (prgeter in anfr. ultimis Ijevigatis) 

 dense striata, sp. elongata; anfr. ^'/a — 10, fere planulati, lente 

 regulares, ult. major, ascendeus, basi compressus; ap. oblongo- 

 rotundata, pl. 2 — 2 — 3, par. profunda, valida, colum. validis, 

 remotiss., palat. 1. marginali, medio interrupta, 2. valida, paullo 

 reraota, 3. parva iramersa, perist. continuo, crasso, ubique 

 reflexo, leviter adnexo. L. 9, d. 2'/j — 2^'4 mm. (Gallia, Arieqe). 

 Moll. d'Aulus 1880 c. f. 



P. OCCidentalis (Fag.) T. cylindracea, sursum lentiss. 

 attenuata, obtusa, corneo-brunnea, nitens, ubique dense regul. 

 T^apillaceo-striata; anfr. 9 — ^'/a? convexi, lente regulares, ult. 



