•CRINOIDEA. (iv, F.) * Echin . 99 
(F.)— CRINOIDEA. 
Defined (p. 462), classified (p. 468): Subcl. I Palacrinida , Ord. 1, Cystodiata 
( IJaplocrinida , Coccocrinida , Stephanocrinida , Pisocrinida , Hybocri- 
nida , Porocrinida , Cupressocriniaa ), 2, Camerata ( Retecrinida , Ilhodo- 
crinida, Glyptocrinida , Melocrinida , Actinocrinida, Platycrinida , Crota- 
locrinida , Barrandocrinida , Hexacrinida , Acrocrinida , Calyptocrin ida), 
3, Flexilata ( Taxocrinida , Ich thyocrinida , Uintacrinida , Thaumato- 
crinida ), 4, Inadunata ( Poteriocrinida , Cyathocrinida, Dendrocrinida , 
Decadocrinida , A sty locrinida ) ; Subcl. n, Neocrinida, Ord. 5, Pelvicata 
( Encrinida , Apiocrinida , Eugeniacrinida, Holopida , Hyocrinida , Pfo'- 
catocrmida , Saccocomida, Marsupitida ), 6, Canalicata ( Bathycrinida , 
Rhizocrinida , Pentacnnida , Comatulida , Actinometrida ) ; Haeckel 
( 116). — History of name (pp. 12 et sqq.); classification, history of 
previous attempts (pp. 11—31) ; value of the group, the name Pel- 
matozoa , principles of division (pp. 144 et sqq.) ; Crinoidea divided 
into Order 1, Inadunata , Suborders Larviformia and Fistulata ; 2, 
Camerata , Typical Section and Non typical Section; 3, Articulata , 
suborders Impinnata and Pinnata (p. 169); Wachsmuth & Springer 
(336). 
Family, generic, and specific characters in CWVi. (p. 153) ; species, criteria 
of (p. 155); colour of fossil CWn. as a systematic character (p. 227); 
Wachsmuth & Springer (336). 
Crinoidea , name supplants Eucrinoidea formerly used by Zittel, general 
account with special reference to fossils ; divided into Orders, Larvi- 
formia , , Camarata, Fistulata, Flexibilia, Articulata ; Zittel (356) 
p. 113. — Classification of Wachsmuth and Springer (336) adopted in 
part; Zittel-Eastman (357) pp. 134-175. 
Tabular synopsis of Mesozoic and Paloeozoic genera; Koken (171) p. 277. 
■fCrinoid fragments Incertce sedis from Cornwall; Collins (54) p. 82, 
pi. E. 
Acacocrinus, subg. n., vide sub JIabrocrinus. 
t Acrochordocrinus, — J., cf. amalthei, Bajocian, Caucasus; Fournier (85) 
p. 110. — [Vide etiam sub Cyclocrinus .] 
fJcrommeftE, redefined, distribution of species; Wachsmuth & Springer 
( 336) p. 803. 
+ylm>cmms, rediagnosed (p. 505), arms (p. 86) ; J. shumardi, redescr., incl 
^4. urnceformis Hall (p. 806, pi. lxxx), J. wortkeni, redescr. (p. 807, pi. 
lxxx); Wachsmuth & Springer (336). 
>4. amphora , St. Louis group, near Huntsville, Ala. ; Wachsmuth & 
Springer (336) p. 808, pi. lxxx ; n. sp. 
\ Actinocrinidce, defined, includes Briar ocr., Patelliocr., Macrostylocr., 
Car poor., Leptocr., Desmidocr ., Periechocr., Megistocr., Agaricocr., 
Actmocr ., Teleiocr ., Steganocr., Physetocr., Strotocr., Eretmocr., Ampho- 
racr., Batocr., Dorycr . ; Zittel (356) p. 128: arrangement follows 
Wachsmuth & Springer (336) ; Zittel-Eastman (357) p. 141 : N. 
American spp. discussed, their geological history ; Miller & Gurley 
( 234) p. 73: defined, analysis and distribution of genera (p. 550), 
anals (p. 130), arm-structuro (p. 85); Wachsmuth & Springer (336). 
Actinocrinoidea T. & T. Austin ; Wachsmuth & Springer (336) p. 16. 
t Actinocrinus, rediagnosed and descr., much restricted, incl. Blairocr. 
S. A. Miller (p. 552), arms (p. 85), orals (p. 94), tegmen (p. 108), 
pores (p. 122); Wachsmuth & Springer (336). — A. cegilops Hall, 
= Teleiocr. umbrosus (p. 628) ; A . amplus M. & W. = Periechocr. whitei 
(p. 530); A. arrosus (olim Blairocr.) S. A. Miller, redescr., incl. B. 
bullatus S. A. M. (p. 377, pi. lv); A. asperrimus, redescr. (p. 575, 
pi. lx); A. blairi S. A, Miller = Cactocr. glans (p. 625); A. brevi - 
