ILLUSTEATIONS. XI 



PAGE 



Clausilia Sumatrana, Mart 127 



Clausilia robustior, u.sp 128 



Pterocyclns aspersus, Planorhis Sagoensis, n.sj^p 129 



Segmentina Kennardi, n.sp 130 



Nudibranchiata from the Cape Verd Islands. (Plate XIV.) . . 159 



New species of Olessula. (Plate XV.) 172 



Shells from the " Porcupine " expeditions. (Plate XVI.) 190 



Oliva ispidula, var. longispira, n.var 195 



Chloritis heteromphalus^ Pilsbry 196 



A.i\^tom.j oi Burtoa Nilotica. (Plate XVII.) 200 



Fistulana mwnia 203 



Calliostoma Formosensis, n.sp 205 



Alycmos {Pincerna) liratula, n.sp 206 



MoUusca, fossil and recent, from New Zealand. (Plate XVIII.) .. 216 



Latirus {Peristernia) 8o^oerbyi, n.sp 217 



Anatomy of Tagdus gibhus and. T. divisus. (Plate XIX.) . . . . 223 



Rhytida Bednalli, Coliolus thrix, n.spp 224 



New species of ^ cAa^ina. (Plate XX.) 227 



New species of Chloritis, etc. (Plate XXI.) 235 



New species of Mollusca from New Zealand. (Plate XXII.) . . 240 



Melania Novce-Hibernice, M. Browni, n.spp 266 



Melania Melvilli, M. Kelantanensis, n.spp 207 



Arms of Belemnites. (Plate XXIII.) 273 



Colour-markings in fossil shells. ( Plate XXIV.) 292 



Ischnochiton htteoroseus, n.sp 293 



Callochiton sidculatus, n.sp 295 



Ckiton Torri, C. clavaUis, n.spp 296 



Onithochito7i nodosus, n.sp 297 



New Mollusca from New Caledonia, etc. (Plate XXV.) 299 



New species of i>r^?-rtCEMS. (Plate XXVI.) 305 



VaUonia miserrima, n.sp. 307 



Liguus {Hemibidimus) magnificus (Pfr.) 314 



Acmseidee of New Zealand. (Plate XXVII.) 326 



Nudibranchs from New Zealand and the Falkland Islands. (Plate 



XXVIII.) 361 



Planispira {Trachiopsis) aciiticostata, n.sp 362 



Chloritis (Austrochloritis) Hedleyi, n.sp. 362 



{Diaphora) Mollendorffi. Section 364 



