Cheeseman. — On the Mollusca of Auckland Isthmus. 169 



Oeder III.— DOCOGLOSSA. 



Acmaeidse. 



104. Acmaa pileopsis, Quoy et Gaim. Faces of tidal rocks ; not 



common. 



105. A. ftammea, Quoy et Gaim. Faces of tidal rocks, and 



under stones ; plentiful. 



Patellidse. 



106. Patinella denticulata, Martyn. Rocky places between tide- 



marks ; scarce. 



107. P. radians, Gmel. On rocks between tide-marks ; plentiful. 



Order IV.— POLYPLACOPHORA. 



Chitonidae. 



108. Chiton pellis-serpentis, Quoy. Piocks between tide-marks ; 



abundant. 



109. C. sindairii, Gray. Faces of exposed rocks ; not common. 



110. C. sxilcatus, Quoy. Under stones between tide-marks; 



abundant. 



111. C. glaucus, Gray. Under stones; plentiful. 



112. Lepidopleuruslongicymhus, DeBlain. Under stones between 



tide-marks ; very abundant. 



113. Tonicia undidata, Quoy. Under stones in tide-pools; 



rare. 



114. Acanthopleura ccelatiis, Reeve. On tidal rocks, Rangitoto 



Island. 



115. ChcEtopleura nohilis, Gray. On rocks near low water-mark, 



Rangitoto Island ; not common. 



116. Acanthochites zealandicus, Quoy et Gaim. Tide-pools; 



plentiful. 



117. A. porphyreticus, Reeve. A few specimens, dredged in 



Rangitoto Channel. 



118. A. violacea, Quoy et Gaim. Under stones in tide-pools ; 



rare. 



119. Crijptoconchus porosiis, Burrow. On rocks, roots of sea- 



weed, etc., at and below low water-mark. 



Order V.— PULMONATA. 



Sub- Order Geophila. 



Section Agnatha. 



Streptaxidae. 



120. EJcca cnresia, Gray. Under bark, rotten logs, etc. 



121. E. jefrei/siana, Pfeiff. With the preceding. 



