174 



Cyclolithes 

 hemisphaericus 2. 376 ; 

 3. 582 ; 4. 868 

 laevis 2. 376 

 lenticularis 2. 376 

 Ligeriensis 2 376 

 macrostoma 3, 582 5 



4. 868 

 mactra 7. 130 

 Niciensis 2. 377 

 numismalis 2. 376, 377 

 nummulitoides 2. 378 

 nummulus 4. 868 

 orbitolites 2. 378 

 orbulites 2. 376 

 placeiita 4. 868 

 polymorphus 2. 376 

 porpita 2. 376 

 praeacutus 2. 377 

 rugosus 2. 376 

 scutellum 4. 868 

 semiglobosus 2. 376, 377 

 semiradiatus 2. 376 

 stelliferus 2. 376 

 titiculatus 2. 376 

 undulatus 2. 376; 3.582; 

 4. 868; 7. 232 

 variolatus 2. 376 

 Vicaryi 2. 376 

 spp. 5. 248 



Cyclonema gen. 5. 253 ! 

 cancellatum 5. 253; 



8. 855 

 spp. 5. 248, 353 



Cyclophlhalmus 

 senior 8. 93 



Cyclophyllia 0. 700; 2. 117 



Cyclophyllum 2. 377 



Cyclopit 5. 832! 



Cyclopteris 0. 627 

 amplexicaulis 5. 243 

 auriculata 6. 97 

 Bockschi 2. 890; 5.630 

 crassinervis 5. 630 

 digitata 2.886; 6. 253'^ 

 dissecta 2.890; 5.240; 

 6. 626 

 Dunkeri 2. 886 

 elegans 5. 240; 6 626 

 tlabellata 2. 890 

 frondosa 2. 890 

 Germari 5. 630; 6. 97 

 Hibernica 7. 57 

 Huttoni 6. 253 

 inaequalis 5. 630 

 Mantelli 2. 886 

 oblata 5. 630 



Cyclopteris 

 obliqua 5. 630; 7.113 

 orbicularis 1. 476; 



5. 630; 6. 97 

 recurvata 5. 630 

 reniforniis 0. 670 

 Richten 5. 240; 6.626 

 rhomboidea 3. 121 

 squamata 2. 886 

 Sternbergi 5. 630 

 (enera 3. 121 

 tenuifolia 2.890:5.243; 

 9. 131 

 terminnlis 5, 630 

 Thuringiaca 6. 626 

 trlchomanoides 1.476; 

 5. 630 

 trifoliata 5. 240 ; 6. 626 

 varians 5. 630 

 spp. 9. 379, 380 



Cyclopterus 



lumpus 7. 248 



Cyclopyge gen. 3. 487 

 spp. 4. 493 



CycJoseris 2. 119* 

 Andianensis 2. 377 

 Cenomanensis 2. 377 

 filamentosa 2. 377 

 lenticularis 2. 376 

 Niciensis " 2. 377; 3. 606 

 Perezi 2. 377; 3. 606 

 Provincialis 2. 377 

 semiglobosa 2. 377 



Cyclosiphon gen. 5.618! 

 sp. 6. 609 



Cyclosmilia 2. 116"^ 



Cyclostoma 



bisulcatum 1.676; 3.532; 

 4. 249; 9. 141 

 conicum 4. 249 

 crassiusculum 1. 676 

 elegans 3. 763; 4. 473; 

 5. 746 

 formosum 9. 749 

 glabrum 2. 637, 765 

 Koechlinanum 1. 122""'; 

 8. 200,589; 9.137 

 maculatum 1. 676 

 obtusum 5. 746 

 plicatum 0. 860 

 reticulatum 8. 875 

 sulcatum 1. 676 

 spp 8. 507 



Cyclotella 

 ligustica 0. 473 

 operculata 0. 473 

 rotula 0. 473 



Cyclotella 

 Scotica 0. 473 



Cyclothurus gen. 4. 111 



Cyclotus gen. 4. 865 

 cinctus 4. 865 

 nudus 4. 865 



Cyclurus 

 gen. 3. 118*, 224"- 

 macrocephalus 3. 224; 

 7. 584" 

 minor 7. 554""" 

 Valenciennesi 5. 374 



Cydnopsis 



gen. 3. 866, 875! 

 atavina 3. 873 

 brevicollis 3. 873 

 coleopteroides 3. 873 

 delata 3. 873 

 exilis 3. 873 

 Haidingeri 3. 866, 873 

 pygmaea 3. 873 

 sagittifera 3. 873 

 scutellaris 3. 873 

 tertiana 3, 866, 873 



Gydnus Oeningensis 3. 873 



Cygnus sp. 7. 634 



Cylica 2. 118=^ 



Cylicosmilia 2. 116""" 



Cylindracanthus 



ornatus 6. 609!; 8.253 ! 



Cylindraspis gen. 6. 376 

 latispinosa 2. 279 ; 



6. 370, 626 

 macrophthalmus 6. 370 



Cylindricodon gen. 6. 760 



Cylindrites 



gen. 0. 870!, 626; 



3. 237! 

 acutus 3. 235 

 altus 3. 235 

 angulatus 3. 235 

 arteriaeformis 8. 640 

 attenuatus 2. 229 

 brevis 3. 235 

 bulbiformis 2. 229 

 bu [latus 3. 235 

 compressus 8. 640 

 convolutus 8. 640 

 cretaceus 4. 229 

 cuspidatus 3. 235 

 cyiindricus 3. 235 

 Daedalaeus 8. 640 

 excavatus 3. 235 

 gradus 2. 229 

 mammillaris 2. 229 

 pyriformis 3. 235 

 spongioides 2.896 ; 6.640 



i 



