I N D E X. 



Page. 



Acalepha deperdita, first description of 66 



Acalepha deperdita ( = fi£edusina deperdita). de- 

 scription of 91-93 



Acraspeda?, classification of 70 



Aoraspedit.es antiquus. description of 75-76 



figure of - - 193 



Agassiz, Alexander, cited on habits of Polyclonia 



frondosa - - - 6 • 



Agassiz, Louis, cited on character and habits of 



Aurelia flavidula 4-5 



Agelacrinus lindstromi f = Medusina costata), de- 

 scription of 49-54 



Allman, G. J., cited on fission among hydroids 40 



Amnion, L. von, cited on Lower Cambrian medusa?- 47-48 



cited on Jurassic medusae 67 



cited on Rhizostomites . . 80-83 



cited on Leptobrachites trigonobraehius 90 



'"it i sd on Leptobrachites gigantea 90 



copies of figures of medusa? given by 99, 184, 188 



Analysis of Coosa shale 14 



Analysis of fossil medusa — - 14 



Archer, H., cited on habits of Polyclonia frondosa. 6 



Archirhiza primordialis, description of 9 



figure of 10 



Astylospongia radiata (— Medusina princeps), de- 

 scription of _ - 54-55 



Astylospongia radiata (^Medusina radiata), de- 

 scription of 56-58 



Aurelia flavidula, character and habits of 4-5 



plaster casts made of _ 5 



figures of 164.166,170,173 



Bather, F. A., aid by ix 



Bavaria, descriptions of fossil medusa? from 65-95 



Bigelow, R. P., aid by 40 



Bohemia, description and figure of fossil medusa 



from 58 



Brandt, A., descriptions of fossil medusa? by 67,91-93 



cited on origin of impressions of medusa? 68-69 



cited on Rhizostomites 79-80 



copies of figures of fossil medusa? given by 80,81 



89,90,93.188 



cited on Leptobrachites trigonobraehius 89-90 



Brooks, W.K., aid by _ ix,39,40 



Brooksella, description of 33-23 



Brooksella alternata, figures of . . _ . 9, 38, 39, 106, 108, 110, 113 



description of 33-30 



Brooksella confusa, description of 30 



figures of 110 



Brooksellida?, description of genera of 22-46 



Bufford, Henry, fossil medusa? collected by ix 



Buthotrephis ? asteroides (=Dactyloidites aster- 



oidesl, description of 41-46 



Buthotrephis ? radiata 96 



Page. 

 Bythotrephis asteroides, description and figure of . 13 

 Cambrian medusa?, list of.. 2 



occurrence, character, and relations of . 3-33 



descriptions of .. - '.".' 65 



Cannorhiza connexa, figure of 11 



Cassiopea xamachana, description of budding and 



fission exhibited by 40 



Chemical analyses, i See Analysis.) 



Clarke, J. M., aid by. 101 



Coosa shale, analysis of 14 



Cretaceous medusa?, descriptions of 97-101 



Curtice, Cooper, fossil medusa? collected by ix 



Dactyloides asteroides, relations of 8 



comparison of Laotira cambria with 8 



description of 41-46 



figures of 4(3,152,154,156.158,160 



Dactyloides bulbosus, description of 42-43 



Dames, W., cited on Eophyton 61 



Dawson, William, cited on Eophyton lil 



Discomedusa?, character and habits of 4 



Discophyllum peltatum, description of 101 



figures of 198 



Edson, G. E.,aid by 46 



Eophyton, description of 59-63 



figures of 174 



Eophyton bleicheri 65 



Eophyton dispar _ 65 



Eophyton (?) explanatum 64 



Eophyton jukesi, description of (14 



Eophyton liuneauum, literature of 64 



figures of 168 



Eophyton morierei _ 6-5 



Eophyton palmatum 64 



Eophyton sapor tanum 65 



Eophyton torelli, literature of 64 



figures of. 168 



Eulithota fasciculata, description of 73 H 



figures of 194 



Fission, reproduction of medusa? by 38-41 



Fitch, Asa, cited on Buthotrephis (?) asteroides 



(= Dactyloid i tes asteroides) 42 



Gastroblosta raffaeli, description of 39 



figures of 142-144 



Geinitz, H. B., aided by ix,96 



Girty, George H., aid by _ ix 



Gottsche, C.,aid by 97 



Hall, James, cited on Dactyloides bulbosus 43-43 



copies of figures of medusa? given by 198 



Haeckel, E. , cited on classificatory value of umbrella 



margin of medusae 36 



cited on form of intestinal system of medusa? .. 30-37 



cited on mode of development of quadripartite 



pouch corona of the Scyphomedusa? 28 



199 







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