1637 



Àrca 



exigua 989 



Kingiana 988 



Lacordairiana 988 



Oreliana 987 



tessulata 989 

 Archegosaurus 



Decheni 1632—33 

 Arthrophycus Harlani 54 

 Artisia approximata 156 

 Asaphus 



acurainatus 1452-54-70 



angustifrons 1455—1488 



centron 1457 



cornutus 1453 



delphinus 1454 



devexus 1458 



Eichwaldi 1435 



expansus 1449 



fallax 1450 



hyorrhinus 1456 



ingens 1457 



Kowalewskii 1452 



latisegmentatus 1455 



lajus 1458 



lepidurus 1450 



obscurus 1455 



platycephalus 1460 



platyurus 1459 



Powisii 1432 



raniceps 1453—37 



rotundifrons 1455 



Schlotheimii 1450 



trnncatus 1455 



truncatulus 1440 



tyrannus 1 463 



Weissii 1452 

 Aspidiaria confluens 121 

 Astarte Tunstallensis 1005 



socialis 1005 

 Asterocarpus Stembergi 91 

 Asterocrinus Mûnsteri 658 



priscus 658 

 Asterolepis Asmussi 1509 



concatenata 1507 



depressa 1510 



granulata 1509 



major 1511 



minor 1510 



ornata 1504—1519 



speciosa 1509 

 Asteropbyllites 



equisetiformis 188 



rigidus 186 



spicatus 186 

 Astraea ananas 547 



escbaroides 442 



emarciata 565 



Astraea 



mammillaris 565 



microcosmus 442 



pentagona 565 



porosa 452 — 53 



reticulum 471 



rotula 442 



velamentosa 442 

 Astraeospongium 



echinoides 341 

 Astrocerium reticulum 471 

 Athyris cassidea 731 — 34 



didyma 732 



tumida 731 



ungula 732 

 Atocrinus Milleri 604 

 Atrypa Altaica 749 



arimaspus 743 



armigera 742 



cassidea 734 



cylindrica 733 



galeata 783 



marginalis 744 



mî'cans 745 



naviformis 734 



nitida 778 



nuda 749 



obovata 746 



prunum 746 



reticularis 741 



rhomboidea 746 

 Aulacodus obliquus 1358 

 Aulacophycus costatus 50 



sulcatus 50 

 Aulacosteus 



cochleariformis 1548 



oviformis 1548 

 Aulonotreta polita 925 



sculpta 928 

 Aulophyllum 



Bowerbankii 556 



fungites 556 



inflexum 555 

 Aulopora alternans 512 



campanulata 511 



conglomérats 511 



dichotoma 510 



hians 512 



intermedia 500 



macrostoma 512 



repens 490. 510 



serpens 510 



tubaefonnis 511 ' 

 Avicula Alberti 960 



alula 950 



antiqua 984 



arcana 951 



Buchii 954 



Avicula 



Casanensis 962 



conformis 948 



declivis 952 



Dalailamae 959 



eximia 953 



fallax 939. 957 



familiaris 958 



gryphaeata 949 



gryphoides 961 



impressa 961 



lorata 961 



lunulata 956 



microceros 947 



nana 954 



orbicularis 945 



plana 946 



pristina 957 



rectangularis 946 



reticulata 945. 962 • 



retroflexa 945 



rostrata 949 



Scythica 956 



sericea 939 



socialis 949 



subpapyracea 956 



subretroflexa 945 



Wôrthii 953 

 Axinus obscurus 1000 



B. 



Bacteria 665 



Bactrites carinatus 1261 



nanus 1261 

 Bairdia aequalis 1340 



curta 1338 



cyclas 1345 



distracta 1341 



excisa 1342 



laevigata 1344 



nigrescens 1343 



ovata 1345 



protracta 1338 



Pyrrhae 1344 



Qualeni 1338 



scapha 1343 

 Balcewellia antiqua 983-84 



ceratophaga 984 



triangularis 983 



Sedgwickiana 955 

 Bathypteris rhomboidea 96 

 Bêchera grandis 189 

 Beaumontia Egertoni 475 

 Bellerophon 



angulatus 1070 



arquatus 1078 



attenuatus 1089 



