1-8 of 8 Books
Notes on some undescribed California helices
Notes on some undescribed California helices
By Samuel Stillman Berry
Recherches expérimentales sur l'hibernation de l'escargot (Helix pomatia L.)
Recherches expérimentales sur l'hibernation de l'escargot (Helix pomatia L.)
By Marguerite Bellion
Effects of aluminum on the shell-repair process in the snail Helix pomatia L.
Effects of aluminum on the shell-repair process in the snail Helix pomatia L.
By Michael Reineskog

Die Schnirkelschnecken (Gattung Helix) in Abbildungen nach der Natur
By Ludwig Georg Karl Pfeiffer

Studien an Succinea (aus dem Zoologischen Institut zu Leipzig)
By Hinrich Rieper
Die Schnirkelschnecken (Gattung Helix)
Die Schnirkelschnecken (Gattung Helix)
By Louis Pfeiffer,Friedrich Heinrich Wilhelm Martini,Johann Hieronymus Chemnitz,H. C. Küster