78 



INDEX, 



Dolatocrinus — Continued. 



ornatus 



var. asperatus 



peculiaris 



pernodosus 



preciosus 



pulchellus 



pyramidatus 



rotundus 



sacculiis 



Balebrosus 



speciosus 



spinosus 



springeri 



stellifer 



sul^aculeatus 



triadactylus 



tuberculatus 



vasculum 



venustus 



wachsmuthi 



welleri 



Eucalyptocrvn/us rosaceus 



Faunas, crinoidal 



Form and proportions 



Genera, analysis of 



Greene, Geo. K 20, 



Gulf faunas 



Gurley collection 



Eadrocrinus 9,10 (text 



basals atrophied .... 11 (text 



angularis 



discus 



pentagonus 



plenissimus 2,9, 



Hall, James 



Hamilton, faunas 



key to species 



species variable 1, 



Himerocrinus 12 (text 



arms of 13, 14 (text 



plenissimus 



Horizon, of Miller and Gurley's 



species 



Eyocrinus 



Incorporation of pinnules 25, 



Instability of characters. . 1, 18, 21, 



Internodals 



Key to genera 



to Hamilton species 



to Onondaga species 



Lam.pterocrinus, bipinnulate 



Liralus group 



Louisville area 1, 



Page. 



29 



30,41 



47 



47 



54 



42 



29 



30 



55 



55 



30 



34 



55 



44 



42 



45,46 



56 



47 



50 



47 



54 



5 



1,20 



22 



3 



29, 37 



1 



19,20 



fig. 3) 



fig. 4) 



10 



10 



10 



11,12 



20,26 



20 



33 



21,22 



fig. 5) 



fig. 6) 



8,13 



20,34 



5 



28,31 



22,52 



17 



3 



38 



27 



5 



41 



19,26 



Page. 



Lyon, S. S 18, 20, 29 



Victor W 29 



Magnificus group 51 



Melocrinidae, family rearranged 



and defined 2, 3 



analysis of the genera 3 



Miller and Gurley, descriptions. . . 19- 



horizon of species 20, 34 



specific characters by 21 



types refigured 53- 



Nodals 17 



Number of arms 21, 25, 45, 49, 53 



Number of species 19, 20, 52, 57 



Onondaga; fauna 1 



key to species 27 



species constant 2, 22 



Ornament of surface 23 



"Ovarian apertures" 5, 29, 43, 45 



"Ovarian pores" 24, 33, 43 



Pentamerous symmetry 19, 52 



Pinnules, fixed 5, 7, 9, 16, 25 



on both sides of brachial 5, 8 



openings 24, 27, 31, 33 



succession of 5, 7, 8, 9, 16, 25 



Platycrinus 6 



Pores 24 



Primibrachs, reduced 5, 13 



"Respiratory pores" 6, 24 



Rowley, R. *R 20 



Scyphocrinus 5, 16, 24 



Secundibrachs, incorporated 5 



Species; oi Dolatocrinus 1,18 



characters of 2, 22 



number of 19, 21, 52, 57 



Springer, F 1, 5, 11, 24 



Stellifer group 44 



Stereocrinus 6, 15 



dilatus 9 



helderbergensis 15 



indianensis 6 



Storthingocrinus 5 



Strotocrinus 14 



Surface ornament 23 



Symmetry, disturbed 16, 24, 52: 



Technocrinus 14 



niagarensis 14 



Troost, Gerard 34 



Type specimens, location 26 



Unequal size of plates 24, 52 



Variable characters 1, 18, 21, 52 



Venustus group 49 



Wachsmuth and Springer. 2, 10, 20, 26, 33 



Weller, Stuart 2 



Whiteaves, J. F 20 



Wood, Elvira 20, 26 



O 



