crinojdeA. ‘ i JEch. 101 
& 61 : W. & Sp., non Hall, see Ectenocrinus. H. articulosus , Bill., 
see Castocrinus. H. bellevillensis , W. R. Bill., disappearance of right 
posterior arm; Bather (11) p. 72. II. incequalis , E. Bill., se6 
Castocrinus. II. simplex and subcrassus , roots; Dyche (72). 
f Holocrinus, W. & Sp., syn. of Dadocrinus ; Bather (11) p. 20 : main- 
tained and redescribed with species, II. beyrichi , Picard sp., and H. 
wagneri , Ben. sp.; Jaekel (126). 
f Ilomocrinus, discussed and rediagnosed ; Bather (11) p. 101 ; stem ; 
Agassiz (2) p. 60. II. ancilla , Hall sp., II. alternatus , Hall ; Bather 
( 11) p. 103. II. angustatus, M. & W., see Dendrocrinus. H. crassus , 
Whiteaves, referred to Botryocrinus , H. cylindricus, Hall, p. 103 ; 
Bather (11). H. fusiformis, see Bactrocrinus. JET.? nanus, Rom.; 
Bather (11) p. 104. H. nucleus , Hall sp., see Botryocrinus. H. 
parvus , Hall; Bather (11) p. 105. II. polydactylus, Shum., see 
Dendrocrinus. II. P proboscidialis, Hall, H. scoparius ) Hall; Bather 
( 11) p. 105. 
II. tenuis , Lower Silurian, Bursvik, Gotland, Bather, Svenska Ak. 
Handl. xxv, No. 2 p. 105, n. sp. 
‘[Hoplocrinus, morphology, p. 21 ; H. dipentas , Eichw. sp., pp. 102 & 104; 
Bather (11). 
f Hybocrinus, morphology; Bather (11) p. 21. 
f Ilydreionocrinus : — H. sancliludovici, Worthen, olim Eupachycrmus f now 
first figured ; Miller & Gurley, Bull. 111. Mus. iii, p. 40. 
II. crassidiscus , p. 43, gramdiferus, p. 44, noduliferus , p. 41, subsinuatus , 
p. 40, Coal Measures, Missouri, Miller & Gurley, Bull. 111. Mus. 
iii, n. spp. 
Ilyocrinus , Thoms., described and discussed ; Jaekel (125) p. 650. 
\Ichthyocrinus , stem ; Agassiz (2) pp. 59 & 60. I. burling tonensis t Hall, 
now first figured ; Whitfield (271) p. 36. 
f I. greeniii Keokuk Group, Muldrough Hill, Ky., Miller, Pal. Indiana, 
1892, p. 52, n. sp. 
ildiocrinus ventricosus, orals ascribed to Pisocrinus ; Bather (11) pp. 24 
& 175. 
Inadunata, defined and discussed, p. 19; Inadunata dicyclica,, new sub- 
order founded and discussed, p. 100 ; Inadunata monocyclica, new 
suborder founded and discussed, p. 20 ; Bather (11). 
ilocrinus, morphology and systematic position ; op. cit. pp. 21, 35, & 60. 
entrocha, His. ; op. cit. p. 10. 
\Lageniocrinus , morphology ; op. cit. p. 21. 
f Lecanocrinus, stem ; Agassiz (2) p. 60. 
\Lyriocrinus , stem ; loc. cit. 
t MariacrinuSy stem ; op. cit. pp. 60 & 63. 
iMarsupiocrinus radiatus, Ang.; Bather (11) p. 12. 
\Marsupites compared with Antedon\ Seeliger (241) p. 394. 
tMastigocrinus loreus , Bather ; Woods (274) p. 112. 
\Megistocrinus , stem; Agassiz (2) p. 61. 
+ Melocrinus aigualis, Niagara Group, St. Paul, lud., Miller, Pal. 
