INDEX. 
: Page. 
Acalepha deperdita, first description of -----.------ 66 
Acalepha deperdita (—Medusina deperdita), de- 
Bn OD hOnO nes tate sea= ea 91-93 
Acraspede, classification of. ..... ..--- = 7 
Acraspedites antiquus, description of. ....--..---.-- 75-7 
HES TIO Gh ta Saint SOS SORE Ss erence 192 
Agassiz, Alexander, cited on habits of Polyclonia 
ronal OR Se ek eet cee aa tae ae sen ene 6-7 
Agassiz, Louis, cited on character and habits of 
Area fiaviG UA: =~ - 265 n—nasanomemn~—n- === 45 
Agelacrinus lindstrémi (—Medusina costata), de- 
Beri pion Ota aa5 = ee) as ot oe eden 49-54 
Allman, G. J., cited on fission among hydroids ----- 40 
Ammon, L. von, cited on Lower Cambrian medusee. 47-48 
cited on Jurassic medusze 
cited on Rhizostomites --..-....-.-------- 
cited on Leptobrachites trigonobrachius-- 
cited on Leptobrachites gigantea -.........------ 90 
copies of figures of medusw given by -------- 99, 184, 188 
Analysis of Coosa shale 2 vile 
Analysis of fossil medusa ..--.-..-.---.------------=- 4 
Archer, H., cited on habits of Polyclonia frondosa- 6 
Archirhiza primordialis, description of 2 9 
figure of --- 10 
Astylospongia radiata ( 
BOTT HLO DN Offset setet rs a psa oe eee eens 54-55 
Astylospongia radiata (—Medusina radiata), de- 
ROR OTE Ghee te Seon ts ep etre 56-58 
Aurelia flavidula, character and habits of -...-....- 45 
plaster casts made of=. -..----:2=---.- sane <sccen fe 
figures iof<2.-52- =. 
Bather, F. A., aid by ---... 
Bavaria, descriptions of fossil meduse from-- 
iia ongateben tren FiO D Varennes ano a eee 
Bohemia, description and figure of fossil medusa 
Brandt, A., descriptions of fossil meduss by -_-_ 67, 91-93 
cited on origin of impressions of medusm-_-___._. 68-69 
cited on Rhizostomites\..-....-.--.----<----.----- 79-80 
copies of figures of fossil medusew given by_-___ 80,81 
89, 90, 92, 188 
cited on Leptobrachites trigonobrachius ----____ 89-90 
IBTOOKS, Wi Ka, GiGi Nee pean on oan eee i 
Brooksella, description of 
Brooksella alternata, figures of... 9,28, 29, 106, 108, 110,112 
Geseriphion opie: ee aac a= anno seeceee ee 
Brooksella confusa, description of -.-...........-.--- 
AV nS | ee OO ec ee ee ae oe 
Brooksellidz, description of genera of -___--.._- 
Bufford, Henry, fossil medus collected by 
Buthotrephis ? asteroides (—Dactyloidites aster- 
oides), description of -- .. 4146 
Buthotrephis ? radiata -.__ 
Page. 
Bythotrephis asteroides, description and figure of _ 42 
Cambrian meduses, lst of... cs 250 tne ee A 2 
occurrence, character, and relations of --- 3-22 
GesGripiOns Ofes= 2. e sean eee eee ae 22-65 
Cannorhiza connexa, figure of __---..----..---------- 11 
Cassiopea xamachana, description of budding and 
fissioniexhibited by.---2-52---css-csescenne=a2 40 
Chemical analyses. (See Analysis.) 
@Glarkes Ji M aid bys foo sese Save poco nb earns 101 
Coosa shale, analysis of - -- i 
Cretaceous meduse, descriptions of ----...--------- 97-101 
Curtice, Cooper, fossil medusze collected by_- ix 
Dactyloides asteroides, relations of -..-..---.---._-_- 8 
comparison of Laotira cambria with -_-..______- 8 
description of 
figures of 3 
Dactyloides bulbosus, description of senses oaeeasmenes, 243 
Dames, W., cited on Eophyton---....-.-.--------.--- 61 
Dawson, William, cited on Eophyton--..---..---.._- 61 
Discomedusz, character and habits of 4 
Discophyllum peltatum, description of 101 
A REN EST OS = eee a ae se a ee ene ee cee OS 
Edson, G. E., aid by---. BA RE ee oe 46 
Eophyton, deseription of _- Ssereccerecase eee ee Sis} 
firures of_...-...-.- . 
MopuytonyMSICheMin no a= one een ee ence oe eee ee 
MOD yLOn isp ale a. e n eee ean eee eee ee 
Eophyton (?) explanatum_-_-_--- 
Eophyton jukesi, description of 
Eophyton linneanum, literature of --__......--__.__- 
NUT OS Ole ssesee cee acer a ee waa ee ees 
Eophyton morierei -- 
Eophyton palmatum -- 
Eophyton saportanum 
Eophyton torelli, literature of. ..........-.----..--.. 
figures of --_--..--- sis as 
Eulithota fasciculata, deser iption ‘of eee 
UFOS Sa aS ec i erent eee 
Fission, reproduction of medusee by ------....------- 
Fitch, Asa, cited on Buthotrephis (?) asteroides 
Vit 
(=Dactyloidites asteroides) _-.......--..._-_- 42 
Gastroblosta raffaeli, description of ---.-.-...._..___ 39 
FE PERE ete ae erest ee ee 
Geinitz, H. B., aided by-- 
Girty, George H., aid by -- 
Gottsche, C., aid by = 
Hall, James, cited on Dactyloides bulbosus___..____ 42443 
copies of figures of meduss given by ----------- 
Haeckel, E., cited on classificatory value of umbrella 
Miay Pan Gf MCCUE shes — sR ses- ase eee eee 26 
cited on form of intestinal system of medusse -. 26-27 
cited on mode of development of quadripartite 
pouch corona of the Seyphomedusse --._-_.. 28 
