177 



ABBOTT, G., 13 



Acantharia, 26 



Acanthoceras, 170 



Acanthochirus, 98 



Acanthocladia, 121 



Acanthoteuthis, 176 



Acanthothyris, 115 



Acervularia, 53 



Acidaspis, 85, 86 



Acila, 127, 129 



Acroculia, (fig. ) 140, 142 



Acrosalenia, 73 



Actinocamax, 175 



Actinoceramus, (fig.) 132, 133 



Actinoceras, (fig.) 158 



Actinocrinus, 62 



Actinometra, 63 



Actinozoa, 43 



Adeonellopsis, 121 



Aeger, 98 



Aeglina, 86 



Aegoceras, 167 



Agassizia, 75 



Agathiceras, (fig.) 164 



Agelacrinus, 67 



Agnostus, 84, (fig.) 85 



Agoiiiatites, 165 



Alaria, 135, 136 



-Ucyonaria, 48 



Alcyonium, 49 



Alecfcryonia, 131, 133, 135, 137 



Allogromiidae, 19 



Allomorphina, 20 



Allorisma, 126 



Alveolaria, 122 



Alveolina, 23 

 . Alveopora, 51 



Amaltiieus, 168, 169 

 ^ Amberlya, 136 



Amblycoceras, 167, pi. vii 



Ammonite, (fig.) 151 

 J Ammonites, 165, 169 



Ammonoidea, 151, 152, 164 

 - Amphidiscophora, 33 



Amphidromus, 129 



Amphineura, 124, 127 



Amphipoda, 97 



Ampliispongia, 39 



Amphistegina 20, (fig.), 21 



Amphoracrinus, 62 



Amplexus, 54 



Anaspides, 95 



Ancylus, 128 



Angelina, 85 



Angustisellati, 152 



Annelida, 76 



Anodon, 137 



Anodonta, 128 



Anomalina, 17 



Anomalocaris, 93 



Anomalocystidae, 65 



Anomocladina, 37 



Antedon, 63 



Anthozoa, 43, 48 



Anthracomarti, 91 



Anthracomya, 138 



Anthracosia, 138, (fig.) 139 



INDEX. 



Anthracosiro, 91 

 Anthrapalaemon, (fig.) 96 

 Ants, 105 



Apheleceras, (fig.) 162, 163 

 Aphrocallistes, 42, pi. i 

 Apiocrinns, 63 

 Aplacophora, 124 

 Aporosa, 50 

 Aporrhais, 131, 132 

 Apsendesia, 121 

 Aptera, 105 

 Aptychopsis, 95 

 Aptychus, (fig.) 153, 165, 168, 



169 

 Apus, 93 



Arachnida, 81, 86 

 Araneae, 92 

 Area, 127 

 Arcestes, 167 

 Archaediscus, (fig.) 21, 23 

 Archaeocidaris, 72, (fig.) 73 

 Archaeoniscus, 97 

 Archanodon, 139 

 Archimedes, 122 

 Areia, 86 

 Arenicolites, 78 

 Arethusina, 86 

 Argonauta, (fig.) 157 

 Argyll, Duke, 77 

 Aristocystis, (fig.) 64 

 Aristozoe, 95 

 Arthropoda, 80 

 Articulata, 112 

 Asaplius, 86 

 Ascoceras, (fig.) 160 

 Asellati, 152 

 Aspidoceras, 169 

 Aspidophyllnm, 55 

 Assilina, 25 

 Astacidea, 100 

 Astarte, 133, 135, 137 

 Asteractinella, (fig.) 30, 39 

 Asterias, 68, 69 

 Asteroceras, 167 

 Asteroidea, 68 

 Astraeospongia, 39, 42 

 Astropecten, 69 

 Astrorhizidae, 19 

 Astylospongia, (fig.) 37, 41 

 Asymptoceras, 163 

 Atractites, 174 

 Atremata, 113 

 Atrimpos, 98 

 Atrypa, 112, 113 

 Aturia, 164 

 Aulacoceras, 151, 174 

 Aulacothyris, 112 

 Aulocopium, 36, (fig.) 37, 41 

 Aulopora, (fig.) 52 

 Avebury, Lord, 12 

 Avicula, 136, 137, 138 

 Avicularia, 119 

 Aviculopecten, 139 

 Axinaea, 131 

 Axogaster, 57 

 Axopora, 47 



BACTRITES, 149, (fig.) 150, 

 164 



Bactronella, 42 

 Baculina, 171 

 Baculites, (fig.) 172, 173 

 Baier, J. J., 80 

 Bakevvellia, 138 

 Balanocrinus, 63 

 Balanophyllia, 57 

 Barnacles, 94 

 Barrande, J., 86, 142, 162 

 Barrandeoceras, 162 

 Barrettia, 143 

 Bdellaconia, 69 

 Beecher, C. E., 83 

 Beetles, 105 



Belemnites, (fig.) 150, 153, 

 (fig.) 154, (fig.) 155, 175 



Beleranitella, 175 



Belemnoidea, 152, 153, 174 



Belemnoteuthis, (fig.) 155, 

 (fig.) 156, 176 



Belinurus, 89 



Bellerophon, 139, (fig.) 140, 141 

 Belosepia, 154, (fig.) 155, 175 

 Beloptera, 175 

 Belopterina, 175 

 Beloteuthis, 176 

 Benetb, E., 40 



Berenicea, 118, (fig.) 119, 121 

 Bernard, H. M., 57 

 Beyrichia, 93 

 Bithynia, 128 

 Bittium, 127, 129 

 Blake, J. F., 134, 136 

 Blapsium, 107 

 Blastoidea, 66 

 Bolivina, 20 

 Bareotrophon, 127 

 Borings, deep, 4, 57 



by molluscs, 12, 123, 131, 



133, 135, 137 



• by sponges, 38, 41 



Botryocrinus, (fig.) 60, 61 

 Bourgufctia, 135 

 Brachiopoda, 9, 108 

 Brachiospongia, 41 

 Brachiospongidae, 34 

 Brachymetopus, 86 

 Brachyura, 98, 100 

 Brady, H. B., 18, 19 

 Brahmaites, 170 

 Branchiopoda, 93 

 Branchipodites, 93 

 Branchipus, 93 

 Brancoceras, 165 

 Brander, G., 8 

 British Museum, 8, 11 

 Brittle-stars, 70 

 Brodiea, 105, (fig.) 106 

 Bronteus, 85, 86 

 Bryograptus, 46 

 Bryozoa, 116 

 Buccinum, 125 

 Bulimina, 19, (fig.) 21 

 Bulimus, 129 

 Bulla, 125, 136 



N 



