INDEX. 



The references to the pages in this Index are to the descriptions of the 

 new species in the Svipplement and to those in Corrigenda. The references 

 to the species described in Vol. II will bo found in the Index to that 

 volume, and also accompanying the descriptions of the Plates in Vol. III. 



Battersbyia Bucklandi, xcii, p. 346 

 British genera, list of, 364 



Chalina cervicomis, Ixvii 



Flemingii, Ixviii, p. 357 



gracUcnta, Ixvii 



Grantii, Ixviii 



inornata, Ixxxiii, pp.277, 358 



limbata, Ixvii 



Montaguu, Ixviii 



oculata, Ixvi 

 Ciocalypta Leei, Ixxxvi, p. 296 



penicillus, xiii 

 Corrigenda, 861 



Desmacidon Eegagropila, Ixiii-lxxxiii 

 cavernula, Ixxxii, p. 268 

 columella, Ixxviii, p. 243 

 constrictus, Ixxi, p. 183 

 copiosa, Ixxxii, pp. 265, 



357 

 frutioosa, Ixi 

 incognitus, Ixxxv, p. 292 

 Jeffreysii, Ixii 

 pannosus, Ixxxix, p. 312 

 Peachii, Ixiii 

 rotalis, xc, p. 327 

 similaris, Ixxxix, p. 319 

 Dictyooylindrus aculeatus, xxi 



fascicularis, xviii 

 hispidus, xvii 

 Howsei, xix 

 pumilus, xix 



Dictyooylindrus radiosus, xx 

 ramosus, xvi 

 rectangulus, Ixxxiv, 



p. 281 

 rugosus, XX 

 stuposus, xix 

 vcntilabrum, xvi 

 virgultosus, xix 



Diplodemia vesiciila, Ixx 



Dysidea fragilis, Ixix 



coriacea, xci, p. 341 



Ecionemia coactura, Ixxxii, p. 269 

 compressa, ix 

 ponderosa, viii, p. 352 



Geodia Zetlandica, vii 

 Grantia ciliata, ii 



compressa, 



ensata, ii 



tesseUata, ii 



Halichondria albula, xlv 



ambigua, Ixxiv, p. 213 

 angulata, xli 

 Batei, xlvi 

 caduca, xli 

 Candida, xliv 

 coalita, xli 



Couchii, Ixxiii, p. 203 

 corrugata, xliii 

 Dickiei, xlv 

 distorta, xlii 



