Echin. 83 
CRINOIDEA. (IV, F.) 
(F.)—CBINOIDEA. 
Origin and evolution of Crinoidea, with phylogenetic classification into 
Sub-class Monocyclica , with Orders Inadunata , Adunata , and Came¬ 
ra ta, and Sub-class Dicyclica , with Orders Inadunata , Flexibilia , and 
Camerata ; Bather (22) pp. 918, 921. Classification of Wachsmuth 
& Sjn-inger (336) Zool. Bee. 1897, criticised; Jaekel (129) p. 380. 
Classification, with reference to Palaeozoic Crin. of Bohemia; Waagen 
& Jahn (246) pp. 9-11. 
t Abacocrinus, vide Xenocrinidae. 
t Acacocrinus , subgenus of W. & Sp., should be genus; Bather (24) p. 122. 
t Acacocrinus vide Carpocrinidae. 
iAcanthocrmus; —A. cf. gregarius (longispma) [sic] (p. 57); A. cf. rex (p. 
10): Fuchs (100). 
t Achradocrinus, vide Gasterocomidae. 
t Actinocrinidae, W. & Sp., erected into sub-order Actinocrinoidea, and 
divided into Actinocrinidae (s. str.) and Amphoracrinidae ; Bather (22) 
p. 922, and (24) p. 121. 
t Actinocrinoidea, sub-ord. nov. of Camerata monocyclica , inch Actino¬ 
crinidae and Amphoracrinidae ; Bather (22) p. 922, and (24) p. 121. 
t Actinocrinus \ — A. ? batheri Whidb., Pilton beds of Braunton, in Mus. 
Pract. Geol. and of Sloly in Woodwardian Mus., now first descr. and 
figd. (p. 222, pi. xxxii); A. porteri , Whidb., Pilton beds of Braunton, 
Barnstaple, N. Devon, and Pilton, in Mus. Pract. Geol., Woodwardian 
Mus., and Porter Coll., now first descr. and figd., abnormality, para¬ 
sitic Capulus (p. 220, pis. v, xxx, xxxi, xxxii): W'hidborne (250). 
Actinometra sp., Botuma; Bell (33) p. 849. A. belli , brachia of young; 
Doederlein (77) p. 479, pi. xxxvi. A. bennetti , and A. grandicalyx ?; 
Bell (32) p. 134. A. parvicirra ; 1. c.: brachia (p. 479, pi. xxxvi); 
A. paucicirra , brachia, distribution of syzygies, colour (p. 479); A. 
pectinata , cirri, brachia (p. 478); A. regalis , cirri, brachia, colour 
(p. 480); A. Solaris , cirri, brachia, colour (p. 478): Doederlein (77). 
A. typica ; Bell (32) p. 134. 
Actinometridae , referred to Flexibilia pinnata ; Bather (22) p. 923. 
t Adelocrinus, validity of genus discussed, referred to Hexacrinidce (p. 223); 
A. hystrix , redescr. fr. holotype in Mus. Pract. Geol. and other speci¬ 
mens, perhaps is an Arthracantha (p. 224, pi. xxx): Whidborne (250). 
t Adunata, ord. nov. of Crinoidea monocyclica , defined, and divided into 
Group A. Fam. Platycrinidae , sub-Famm. Coccocrininae, Cypello- 
crininae , Platycrininae , and Group B. Fam. Hexacrinidae , Acrocri- 
nidae ; Bather (22) p. 921, and (24) p. 119. 
t Aesiocri?ms, vide Graphiocrinidae. 
t Agassizocrinus , vide Cromyocrinidae. 
■\Allocrinus , vide Patelliocrinidae. 
t Amphoracrinidae, n. fam. pro Amphoracrinus , not further defined; Bather 
( 22) p. 922. 
t Ancyrocrinus bulbosus\ Grabau (108) p. 285: “variously deformed 
individuals” [scilicet radices]; Grabau (107) p. 146, fig. 28. 
t Anisocrinus, vide Taxocrinidae . 
Antedon , migration of anal; Bather (24) pp. 33, 34, text-fig. 10. t A. 
sp. [from description appears to be Bourgueticr. columnals], Lower 
Cenomanian, of Bucar, Valea lui Ecle, Boumania; Popovici-Hatzeg 
( 193) p. 4. A. abyssicola , evidence for bipolarity; Thompson (230) 
p. 321. A. bidens , cirri, brachia, covering-plates on genital pinnules, 
colour; Doederlein (77) p. 476, pi. xxxvi. A. bifida , vide A. rosacea. 
A. elegans , cirri, colour; Doederlein (77) p. 475, pi. xxxvi. A. 
eschrichti ; Albert, Prince de Monaco (6) p. 214. A. flagellate^ 
Zanzibar; Ludwig (158) p. 538. A. imparipinna , brachia; Doeder- 
