INDEX TO VOL. IV. 



Tab. Page 



Pymla nexilis 331 33 



Productus an- ) oi-i-it/- ir 

 tiquatusj 317/.1,5,6 15 



comoides ... 329 31 



concinnus ... 318/. 1. 16 

 giganteus ... 320 19 



sphaericus i ^^^ '^^ 



honidus ... 319/, I 17 

 hnmerosus... 322 21 



latissimus ... 330 32 



lobatus 318/.2to6 16 



Martini 371/.2to4 15 



personatus... 321 20 



punctatus ... 323 22 



sulcatus 319/. 2 17 



Psaramobla soHda... 342 55 



Rostellaria calcarata 349 /.6&7 70 

 Parkinsoni... 349/.lto5 69 



Scalaria foliacea ...390/. 2 125 



minuta 390/,3&4 125 



subulata 390/. 1 125 



Sigaretus canali- > „„. ,,. 



culatus ; ^^* "* 



Spirifer ainbiguus... 376 105 



minimus 3T7 f. 1 105 



Tab. Pa«- e 



Walcottl 377 /. ir i 00 



Sphaera corrugata... 335 12 



Tellina ambigua 403 144 



Branderi 402/. 1 14:{ 



filosa 402/. 2 14:t 



Terebratula acu- ^ „n* f i .,.> 

 minata 5 



affinis 324/. 2 24 



coarctata ... 312/.lto4 7 



Fimbria 326 27 



imbricata ... 334 /.3&1 40 



lineata 334/.1&2 39 



resupinata ... 325 2* 



reticulata ... 312/.SiS.fi s 



Trochus nionilifer... 367 91 



Turbo moniliferus... 395/. 1 131 



sculptus 395/. 2 132 



Voluta ambigua ... 399/. 1 135 



Athleta 396/.lio:J 133 



depauperata 396/. 4 133 



geminata 398/. 1 136 



Lima 398/. 2 136 



Luctatorjun. 397 134 



nodosa 399/. 2 135 



suspensa — 137. 

 Vol. 11.115/. 5 



CORRIGENDA. 



, We arc indebted to Mr. Farey, for pointing out to us that several 

 names given in the course of this Work, had been used before by other 

 Authors ; we therefore are obliged to alter them, which we pi'opose to 

 «lo as follows. 



Cerithiura Melanioides tab. 147 to be Potamides^politus. 



Trochus concavus 

 granulatus 

 sulcatus 

 bicarinatus 

 ornatus 

 concavHS 



tab. 181 

 tab. 220 

 tab. 220 

 tab. 221 

 tab. 221 

 tab. 272 



T, angulatus. 

 T. arenosus. 

 T. prominen&» 

 T. Tiara. 

 T. Pallium. 

 T. Sedgwicki. 



Fusus acurainatus, tab. 274 fig. 1 to 3, should be F, acicuIatMs, and 

 Lamarek Env, de Paris, 57. added to the Synonyma. 



