84 
PROCEEDINGS OF SOCIETIES. 
f628 Helix umbilicata, Montagu, v. 4. p. 81. (Zonites umbilicatus of 
Gray’s Turton.') 
f629 Helix pygmaea, Draparnaud. v. 4. p. 88. (Zonites pygmseus of 
Gray's Turton.')’ 
f630 Bulimus acutus, Muller, v. 4. p. 86. 
631 Bulimus Lackhamensis, Montagu, v. 4. p. 89. 
f632 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.) 
f635 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.) 
f639 Pupa pygmsea, Draparnaud. v. 4. p. 106. (V. pygmsea and Alpestris 
of Gray's edition of Turton.) 
+640 Pupa substriata, Jeffreys, v. 4. p. 108. (V. substriata of Gray's 
edition of Turton.) 
+641 Pupa antivertigo, Draparnaud. v. 4. p. 109. (V. palustris of Gray's 
edition of Turton.) 
f642 Pupa pusilla, Muller, y. 4. p. 111. (V. pusilla of Gray's edition of 
Turton.) 
f643 Pupa Venetzii, Charpentier. v. 4. p. 112. (V. Venetzii of Gray's 
edition of Turton.) 
|644 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 Rackett. v. 4. p. 121. 
f649 Zua lubrica, Muller, v. 4. p. 125. 
650 Azeca tridens, Pulteney. v. 4. p. 128. 
|651 Achatina acicula, Muller, v. 4. p, 130. 
f652 Succinea putris, Linneus. v. 4. p. 132. (S. Pfeifferi of Gray's Turton 
a var. of this.) 
f653 Succinea oblonga, Draparnaud. v. 4. p. 137. 
V. LIMNiEADJE. 
f654 Physa fontinalis, Linneus. v. 4. p. 140. 
f655 Physa hypnorum, Linneus. v. 4. p. 143. (Aplexus hypnorum of 
Gray's edition of Turton.) 
f656 Planorbis corneus, Linneus. v. 4. p. 147. 
•j-657 Planorbis albus, Muller, v. 4. p. 149. 
f658 Planorbis glaber, Jeffreys, v. 4. p. 150. (P. lasvis 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. 
f661 Planorbis marginatus, Draparnaud. v. 4. p. 155. 
f662 Planorbis vortex, Linneus. v. 4. p. 157. 
f663 Planorbis spirorbis, Linneus. v. 4. p. 159. 
f664 Planorbis contortus, Linneus. v. 4. p. 160. 
|665 Planorbis nitidus, Muller, v. 4. p. 161. 
f666 Planorbis lacustris, Light foot. v. 4. p. 162, (Segmentina lineata of 
Gray's edition of Turton.) 
