40 PHYSELLA. — HELIX. 
VII. Physella Pfr. 
Animal vix notum. 
Testa bullaeformis, spira minima, anfractu ultimo elongato, 
fere totam longitadinem formante; columella simplex, arcuata, 
non truncata; peristoma simplex, rectum. 
Physella novum genus Heliceorum Pfr. in Malak. Bl. VIII. 1861. 
p. 70; XII. 1865. p. 207. 
An Daudebardiae, an Succineae vel Oleacinae affine? 
Species hucusque unica: 
1. Ph. Berendti Pífr. 
T. oblonga, solidula, laevissima, nitida, corneo-fulva; spira 
vix prominens, obtusa; anfr. 2!5, ultimus basi vix angustatus; 
columella recedens, tum antrorsum immediate in peristoma con- 
tinuata; apertura vix obliqua, acuminato-ovalis, intus margari- 
tacea. — Long. 6, diam. 3 mill. (Coll. Nr. 4.) 
Physella Berendii Pfr. in Malak. Bl. VIIL 14861. p. 74. t. 4. 
f. 1—4. 
Habitat Mirador, Veracruz reipublicae mexicanae (Dr. Berendt). 
VIII, Helix Linu, (Emend, Drap.) 
Pfr. Mon. Helic. IV. p. 1. — Albers Heliceen ed. Mart. 1860. 
p. 80: genus 15 Heliceorum (Helicaceorum). &Sectiones: Amphíi- 
doxa, Alb. p. 82, Microphysa Alb. p. 82, Aerope Alb. p. 83, Pella 
Alb. p. 84, Patula Held p. 85, Charopa Alb. p. 87, Stephanoda 
Alb. p. 88, Janulus Lowe p. 89, Endodonía Alb. p. 90, Sesara 
Aib. p. 91, Pelia Alb. p. 91, Gonostoma Held p. 91, Ophio- 
gyra Beck p. 94, Polygyra Say p. 95, Stenotrema Raf. p. 96, 
Triodopsis Raf. p. 97, Mesodon Raf. p. 98, Laoma Gray p. 100, 
Acanthinula Beck p. 100, Vallonia Risso p. 101, Petasia Moq. 
p. 102, Frulticicola Held p. 103 (subsect: Eulota Hím., Trichia 
Htm., Zenobia Gray, Monacha Htm.), Dorcasia Gray p. 106, 
hhagada Alb. p. 108, Xerophila Held p. 109, Turricula Beck 
p. 115, Cochlicella Risso p. 147, Ochthephila Beck p. 418, Acti— 
nella Lowe p. 119, Teciula Lowe p. 120, Plectotropis Mart. 
p. 121, Aegisia Alb. p. 121, Aglaia Alb. p. 122, Campylaea 
Beck p. 122, Eurycampta Mari. p. 127, Arionta (Leach) p. 12'1, 
Eurystoma Alb. p. 129, Polytaenia Mart. p. 129 (serius p. 212 
sectioni Polymitae inserta), Euparypha Hím. p. 130, Tachea 
