INDEX TO VOL. IV. 



A f is prefixed to the names of fossil species. 



PAGE 



Acavus, Anatomy of the genus . 103 



Note on the genus . .114 



t Actiiwdesma Belhtmyi, n.sp. (fig.) 133 

 America, Central ; see Central 



America. 



North -West, Remarkable 



Nudibranch from . . .163 



South ; see South America. 



Amphidrotnus, Relationships of the 



genus ..... 158 

 Amphiperas Bcekeri, n.sp. (fig.) . 5 

 Ampullaria Brohardi, Granger, 



identical with A. poiita, Desh. 40 

 Ancilla osculata, n.sp. (fig.) . 3 



Area biearinata, n.sp. (fig.) • . 211 

 Ariophanta, Notes on, with lists of 



species . . . . .241 

 Canarica, n.sp. (fig.) . 248 



Gassii, n.sp. (fig.) . 249 



hetercea, n.subsp. (fig.) 248 



politissima (Pfr.), its 



anatomy and its position in the 

 genus ..... 261 

 Arnouldia Nahaensis, n.sp. (fig.). 75 



B 



Becker, H., Marine shells collected 



at ' The Kowie, ' South Africa, 



by .... 



Beddomea, Anatomy of the subgenus 



f Beloptera Levesquei, D' Orb., from 



London Clay, Sheppey (fig.) . 



Bensonia, Note on the genus 



Mainwaringi,Nev., Note 



mimela, n.sp. (fig.) 



Blanford, W. T., ' Note on Ben- 

 sonia and on an apparently un- 

 described species, B. mimela ' . 



'Note on Bensonia Main- 



waringi and JUacrochlamys 

 Baling ensis ' . 



Notes on Ariophanta, 



Xestina, N'dgiria, and Eupleeta, 



with lists of species ' 

 Bonin I., Ilelicoid laud -shells from 



213 

 158 



256 

 178 



180 

 179 



178 



180 



241 



70 



PAGE 



Borneo, New Leptopoma from . 42 

 British Pliocene non-marine Mol- 



lusca, Notes on 183 



Buliminus DJurdjurensis, Notes on 



the anatomy of . . .174 



Bulimulus Dukinfieldi, n.sp. (fig.) 116 

 Bullen, Rev. R. A., ' Ou two appa- 

 rently new species of Corbicitla' 1 223 



' Pleistocene Mollusca 



from the Raised Beach Deposits 



of Perim I.' ... 254 



C 



Callocardia, Note on the genus 



(hinge figured) 

 Cebu, Philippines, New marine 



Mollusca . . .126 

 Ceutral America, New land-shells 



from .... 66 

 t Cephalopod, Dibranchiate, from 



London Clay, Sheppey . 

 Cerithium oseitans, n.sp. (fig.) 

 Charopa (?) depsta (Cox), (fig-) 



(?) patescehs (Cox), (fig.) . 



(?) Quintal® (Cox), (fig.). 



Chersodespcena, n.subgen. of Des- 



pcena ..... 

 Chloritis fragilis, n.sp. (fig.) 

 Glausilia Pihbryi, n.sp. (fig.) 

 Colliuge, W. E., 'Note on the 

 Anatomy of Zonites liollei, Ko- 



belt' 



Colpospira, n.sect. of Turritellidse 

 Columbella Becheri, n.sp. (fig.) 



Filmerce, n.sp. (fig.) 



Corbicula fulgida, n.sp. (fig.) 



mbtriangularis, n.sp. (fig.) 



Crick, G. C, 'Note on a Li- 

 branchiate Cephalopod from 

 the London Clay of Sheppey ' . 



Oryptoplax, Morphological and de- 

 scriptive notes on . 



Elioti, n.sp. (fig.) 



Cyclophorus Underwoodi, n.sp. (fig 

 Cyclostrema cristata, n.sp. (fig.) 



dispar, n.sp. (fig.) 



Gyprcea Kauilani, n.sp. (fig.) 



81 

 , 208 

 , 238 



256 



211 

 143 

 144 

 144 



136 



70 

 222 



37 

 51 



3 

 3 



224 

 223 



256 



151 

 153 



67 

 12S 

 128 



68 



