130 Echin. 
XIV. ECHINODERMA. 
Anthocystis , n. g., with genotype A. halliana , Niagara group, N. America, 
based on Hall’s pi. 1, figg. 1-11 [which really represent the type of 
C.jewetti , genotype of Callocystis \ ; Haeckel (118) p. 132: n. sp. 
Apiocystida , sub-fam. nov. of Callocystida ; Haeckel (118) p. 129. 
Apiocystis ; Haeckel (117) p. 401 : redefined (p. 132); A. elegans (p. 133); 
A. pentremitoides, redescribed (p. 132, pi. iii); Haeckel (118). 
Aporita, criticised; Haeckel (118) p. 19. 
Arachnocystis ; Haeckel (117) p. 397: redefined (p. (54); A. infausta , 
redescribed (p. 65, pi. i); Haeckel (118). 
Archceocystida or Protamphorida , hypothetical family; Haeckel (117) 
p. 396. 
Archceocystis , nom. nov., hypothetical genus; Haeckel (117) p. 396: rede- 
fined, and A. medusa described; Haeckel (118) p. 71, pi. i. 
Aristocystida or Caryocystida Haeckel non Neumayr (= Holocystida ) ; 
Haeckel (117) p. 397: defined and discussed; Haeckel (118) pp. 12, 
45. 
Aristocystidce , defined, includes Aristocystis, Deutocystis , Craterina , Pyro- 
cystis; Zittel (356) p. 152, & Zittel-Eastman (357) p. 182. 
Aristocystis; Haeckel (117) p. 397: redefined, and A. bohemica re- 
described; Haeckel (118) p. 50, pi. ii. 
Ascocystida or Ascothuria, fam. nov.; Haeckel (117) p. 402, &(118) pp. 77, 
119. 
Ascocystis; Haeckel (117) p. 402: defined and discussed (pp. 121, 124); 
A. drabowiensis (p. 125); Haeckel (118). 
Asteroblastus , redefined, and A. stellatus , redescribed, and compared with 
A. volborthi ; Haeckel (118) p. 117, pi. iii. 
Astei'ocystis , n. g., with genotype A. tubcrculata (olim Asteroblastus) 
Schmidt; Haeckel (118) p. 116, pi. iii. 
Asterocystida , sub-fam. of Agelacystida ; Haeckel (118) p. 111. 
Astroblastus ; Haeckel (117) p. 401. 
Astrocystites , n. g. [posterior to Asterocystis Haeckel, v. supra], with geno- 
type A. ottawaensis, Trenton Limest., Division St., Ottawa, “most nearly 
related to Asteroblastus” ; Whiteaves (345) p. 287, and figg. : n. sp. 
Atelocystula , sub-fam. nov. of Anomocystida ; Haeckel (118) p. 37. 
Atelocystis; Haeckel (117) p. 398: redefined; Haeckel (118) p. 41. 
A. gegenbauri , Upper Silurian, Wenlock Limestone, Dudley [syn. of Placo- 
cystis forbesianusY, Haeckel (118) p. 42, pi. ii: n. sp. 
Calix Rouault, syn. of Craterina ; Haeckel (118) p. 54. 
Callocystida or Apiocystida ; Haeckel (117) p. 401. — Callocystida , re- 
defined, incl. sub-fanmi. Anthocystida , Apiocystida , and Pseudocrinida ; 
Haeckel (118) pp. 77, 125. — Callocystida, uefined, includes Pseudocr., 
Lepadocr., Apiocystis , Calloci/stis , ? Hybocustis ; Zittel (356) p. 156, 
& Zittel-Eastman (357) p. 186. 
Callocystis; Haeckel (117) p. 401: redefined, and C. jeivettii redescribed 
on basis of Hall’s pi. 1, figg. 12-18 [which Hall expressly makes a var. 
and not the type : see Anthocystis'] (p. 131, pi. iii), C. multipora (p. 132) ; 
Haeckel (118). 
Camarocystidce, defined, includes Camarocr. & Lichenocr . ; Zittel (356) 
p. 154, & Zittel-Eastman (357) p. 183. 
Caryocrinidce, defined, includes Hemicosmites , Caryocr., Echinoencr., Glypto- 
cystis , Homocystis , Mimocystis ; Zittel (356) p. 155, & Zittel-Eastman 
( 357) p. 184. 
Caryocrinus, redefined; Haeckel (118) p. 143. — C. ornatus, redescribed; 
Haeckel (118) p. 144, pi. iv: coil of gut inferred from sections; 
Jaekel (142) p. 31. 
C. hammelli , Niagara Group, Madison Co., Ind. ; Miller & Gurley (233) 
Bull. Illinois Mus. ix, p. 65, pi. v. — C. milligance , Niagara Group, 
Decatur Co., Tenn. ; op. cit. p. 63, pi. v : n. spp. 
