84 PROCEEDINGS OF SOCIETIES. 



1 62 8 Helix umbilicata, Montagu, v. 4. p. 81. (Zonites umbilicatus of 



Gray's Turton.} 

 f 629 Helix pygmsea, Draparnaud. v. 4. p. 83. (Zonites pygmseus of 



Gray's Turton.} 



f630 Bulimus acutus, Muller. v. 4. p. 86. 

 631 Bulimus Lackhamensis, Montagu, v. 4. p. 89. 

 |632 Bulimus obscurus, Muller. v. 4. p. 90. 

 f633 Pupa umbilicata, Draparnaud. v. 4. p. 95. 

 f634 Pupa muscorum, Linneus. v. 4. p. 97. (Pupa marginata of Gray's 



edition of Turton.} 



f 635 Pupa Anglica, Ferussac. v. 4. p. 99. 

 636 Pupa secale, Draparnaud. v. 4. p. 101. 

 f637 Pupa edentula, Draparnaud. v. 4. p. 103. (Vertigo edentula of 



Gray's edition of Turton.} 

 638 Pupa minutissima, Hartmann. v. 4. p. 104. (V. cylindrica of Gray's 



edition of Turton.} 

 |639 Pupa pygmaea, Draparnaud. v. 4. p. 106. (V. pygmzea and Alpestris 



of Gray's edition of Turton.') 

 f640 Pupa substriata, Jeffreys, v. 4. p. 108. (V. substriata of Gray's 



edition of Turton.") 

 f 641 Pupa antivertigo, Draparnaud. v. 4. p. 109. (V. palustris of Gray's 



edition of Turton.} 

 f642 Pupa pusilla, Muller. v. 4. p. 111. (V. pusilla of Gray's edition of 



Turton.} 

 j-643 Pupa Venetzii, Charpentier. v. 4. p. 112. (V. Venetzii of Gray's 



edition of Turton.} 

 f644 Balea fragilis, Draparnaud. v. 4. p. 114. (B. perversa of Gray's 



edition of Turton.) 

 f645 Clausilia laminata, Montagu, v. 4. p. 116. (C. bidens of Gray's 



edition of Turton.} 



646 Clausilial biplicata. Montagu, v. 4. p. 118. 



647 Clausilia plicatula, Draparnaud. v. 4. p. 120. (C. Rolphii of Gray's 



edition of Turton.} 



f648 Clausilia nigricans, Maton and Rachett. v. 4. p. 121. 

 j-649 Zua lubrica, Mutter, v. 4. p. 125. 

 650 Azeca tridens, Pulteney. v. 4. p. 128. 

 |651 Achatina acicula, Muller. v. 4. p. 130. 

 f 652 Succinea putris, Linneus. v. 4. p. 132. (S. Pfe'ifferi of Gray's Turton 



a var. of this.) 

 f653 Succinea oblonga, Draparnaud. v. 4. p. 137. 



p. 143. (Aplexus hypnorum of 



V. 



f654 Physa fontinalis, Linneus. v. 4. p. 140. 

 f655 Physa hypnorum, Linneus. v. 4. 



Gray's edition of Turton.} 

 f656 Planorbis corneus, Linneus. v. 4. p. 147. 

 J657 Planorbis albus, Muller. v. 4. p. 149. 

 f658 Planorbis glaber, Jeffreys, v. 4. p. 150. (P. laevis of Gray's edition 



of Turton.} 

 f659 Planorbis Nautileus, Linneus. v. 4. p. 152. (P. imbricatus of Gray's 



edition of Turton.} 



f660 Planorbis carinatus, Muller. v. 4. p. 153. 

 f 661 Planorbis marginatus, Draparnaud. v. 4. p. 155. 

 f662 Planorbis vortex, Linneus. v. 4. p. 157. 

 f663 Planorbis spirorbis, Linneus. v. 4. p. 159. 

 J664 Planorbis contortus, Linneus. v. 4. p. 160. 

 J665 Planorbis nitidus, Muller. v. 4. p. 161. 

 |666 Planorbis lacustris, Light foot. v. 4. p. 162, (Segmentina lineata of 



Gray's edition of Turton.} 



