PULMONARY GASTEROPODA 
401 
iform, as in Fig. 186, or truncated, as in Figs. 187 and 188. 
J-nese figures will give the reader some idea of the multiplied and 
e ^ e gant forms which the shells of Helix sometimes assume. 
Figs. 193 and 194. Pupa uva (Linnaaus). 
In connection with the snails {Helix), we shall note some kindred 
Senera which our space only permits us to name. Such is the genus 
Vidimus, the European species of which are numerous ; some of them 
Ver y small, others of medium size ; of these Bulimus sultanus (Figs. 
^1 and 192). In Figs. 193 and 194, the Grey Pupa(P. uva), another 
congruous species, is represented. 
^et another typical species may he noted, which is found abun- 
ai % amid the grass and shrubs near brooks round Paris and else- 
^ e re. Jt i s Succinea putris, presenting a small, thin, diaphanous 
6 )1 of a pale amber yellow, marked with close and very fine longi- 
,lc *inal stripes (Fig. 195). The Zebra Af/athina, the Achalina zebra 
2 D 
