INDEX. 



A 



Abundance of fossils. 3 

 Acorn-shells, 202 ; larval changes 



of, 203 



Actinocrimis, 117, 127 

 Agelacrinus, 131 



Allman on graptolites, 40, 44, 45 

 Ammonites, 300, 305 ; number of 



species, 312 ; zones of, 314 

 Ammonitidcz, 307 ; in Kelloways 



rock, 315 ; localities for, 315, 



316 ; at Portland, 316 ; variation 



in, 319; in Chalk, 321 

 Ananchytes, 151 

 Anodonta Jukesii, 239 

 Anthracene^ 251 ; in ironstone, 251 

 Apiocrinites, 128, 129 

 Aporose corals, 63, 64, 67 

 Arenicolites, 164 

 Astidia and sea-mats, 212 ; larva 



of, 213; relation to brachiopoda, 



214 



Aspidophylhun, 87 

 Astr&a, 69, 79 

 Australian Brachiopoda^ 231, 232, 



234 

 Aymestry limestone corals, 77 



B 



Barnacles in Silurian, Rhretic, 

 Oolite, and Chalk strata, 203 ; 

 in Coralline and Red Crag, 204 



Barton Clay, fossils of, 274 



Beith, corals at, 87 



Belemnites, 321 ; structure of, 322 ; 

 in Lias and Oolite, 322 ; their 

 relation to cuttle- fishes, 323 



Benthall Edge, corals at, 76 



Black Head, Carboniferous lime- 

 stone at, 1 7 



Blastoidia, position of, 112 



Boring sponges, 13 



Box-stones, 279 ; fossils in, 280 ; 

 localities for rinding, 281 



Brachiopoda, 222 ; life-histories of, 



223 ; geological antiquity of, 223 ; 

 erroneous notions concerning, 



224 ; larval stages of, 224 

 Bracklesham, Tertiary fossils of, 



274 

 Bradford (Wilts), encrinites in clay, 



117, 128 



Bray Head, Old/iamia at, 37, 38 

 Brittle-stars, 132; structure of, 134 



Cambrian fossil worm-tracks, etc., 

 163 



mollusca, 245 



rocks, Lower, sponges in, 1 1 



rocks, Oldhamia at, 37 



star- fishes, 131 



trilobites, 189, 192 



Cambridgeshire coprolites, 208 

 Carboniferous corals, 65, 69, 82, 87, 

 88, 89 ; of Scotland, 85 

 crinoids, 126 



Y 3 



