(30 Ech. 
XIV. ECHINODERMA. 
f Apiocrinus ellipticus, Sautagata, see Rhizocriniis santagatai ; Capellini 
(18 & 19). 
f Archceocrinus knoxensis, Trenton Group, Knox Co., Tenn.; Miller (114) 
Bull. Illinois Mus. vi, p. 84, n. sp. 
f Aristocrinus, n. g., based on Taxocrinus concavus , Hamilton Beds. 
Callaway Co., Mo. “In case the name Aristocrinus should prove to 
be preoccupied our genus could be changed to Callaway crinus ” ; 
Rowley (140) Amer. Geol. xvi, p. 217. 
f Bactrocrinus, maintained and defined (p. 81), B. fusi/ormis , Roemer sp, 
non Steininger, redescribed (p. 83), B. nanus , Roemer, olim Poterio- 
crinus , ^described and figured (p. 85) ; Jaekel (67). 
B. mulleri , based on Poteriocrinus fusi/ormis , J. Muller, non Roemer, 
Middle Devonian of Gerolstein; Jaekel (67) Pal. Abh.vii, p. 84. 
B. tenuis , based on B. fusi/ormis, Schnur in Steiuinger, which is dis- 
tinguished from Poteriocrinus fusi/ormis , Roemer, from Middle 
Devonian of Gerolstein ; op. cit. p. 82. B. zeileri , based on Poterio- 
crinus rhenanus , Wirtgen & Zeiler pars, Lower Devonian of Nieder- 
Lahnstein ; op. cit. p. 84 : n. spp. 
1 \ Baerocrinus , syn. of Hoplocrinus dipentas ; Jaekel (97) p. 93. 
t Barrandeocrinus, fused pinnules ; Jaekel (67) p. 36. 
'fBarycrinus : — B. hoveyi (p. 209), B. magnificus , refigured (p. 210), 
B.meekianus (p. 211), B. rhomb if erus (p. 210), B. spurius (p. 209), 
B. stellatus (p. 210) ; Keyes (70). 
B. washing tonensis, Keokuk Group, Washington Co., Ind. ; Miller (114) 
Bull. Illinois Mus. vi, p. 49, n. sp. 
•f Batocrinus :—B. cequalis (p. 179), B. cequi brack iatus (p. 181), B. biturbi- 
natus (p. 181), B. blairi (p. 180), B. calviui , refigured (p. 180), B. 
christyi (p. 181), B. clypeatus (p. 179), ,B. dodecadactylus (p. 183), 
B. elegans (p. 180), B. euconus (p. 184), B. laura , refigured (p. 182), 
B. longirostris , refigured (p. 180), B.nashvillce (p. 183), B . planodiscus 
(p. 184), B. pulchellus (p. 184), B. pyriformis , refigured (p. 182), 
B. rotundas, refigured (p. 182), B. subtractus (p. 183), B. trohiscus, 
refigured (p. 181) ; Keyes (70). 
B. arcula , St. Louis Group, Washington Co., Ind. ; Miller (114) Bull. 
Illinois Mus. yi, p. 16. B. broadheadi, Keokuk Group, Boonville, 
Missouri; Miller (115) Bull. Illinois Mus. vii,p. 15. B.bur/ceti, Keokuk 
Group, Hamilton, III. ; Miller (114) Bull Illinois Mus. vi, p. 19. B. 
casualis , Keokuk Group, Tenn. ; op. cit. p. 15. B. casula , Keokuk 
Group, Little Barren R., Ky, ; op. cit. p. 8. B. curiosus, Keokuk 
Group, Allen Co., Ky. ; op. cit. p. 6. B.formaceus, Burlington Group, 
Sedalia, Mo.; Miller (115) Bull. Illinois Mus. vii,p. 24. B.hetero- 
clitus, Keokuk Group, Boonville, Mo. ; op. cit. p. 31. B. honora- 
bilis, Keokuk Group, Tenn.; Miller (114) Bull. Illinois Mus. vi, p. 10. 
B. ignotus , Keokuk Group, Boonville, Mo.; Miller (115) Bull. Illinois 
Mus. vii, p. 28. B. imparilis , Burlington Group, Sedalia, Mo. ; op. 
cit. p. 20. B. inconsuetus , Keokuk Group, Boonville, Mo., op. cit. 
p. 25. B. incuUus, Burlington Group. Sedalia, Mo.; op. cit. p. 21. 
