CYSTIDEA. (IV, G.) Echin. 133 
Lepidodiscus, redefined, incl. Ilaplocystis , and L. cincinnatiensis redescribed ; 
Haeckel (118) p. 113. 
Lichenocystis , nom. nov. pro Lichenoides “da dieser Name bereits ver- 
braucht war ” [where ? when ? by whom ?], and L. prisca (olim Lichen- 
oides) Barr, redescribed; Haeckel (118) p. 148, pi. iv. 
Lichenoides pris,cus; Jahn (145) pp. 685, 691, 697, 719, 740, 752: re- 
described, referred to Caryocrinidce ; Pompeckj (268) p. 502, pi. xiii. 
Lysocystis ; Bather (31). 
Macrocy stella \ Haeckel (117) p. 402. — M.marice , referred to Mimocystis or 
TIomocystis ? ; Haeckel (118) p. 149. — M. bavarica (olim Cystidea) 
Barr. ; Pompeckj (269) p. 90. 
Malocystis\ Haeckel (117) p. 401: redefined, and M. murchisoni re- 
described; Haeckel (118) p. 105. 
Megacystis , vide sub Holocystis. 
Megaplacta ( = Farcy stidea), ord. nov. ; Haeckel (118) p. 77. 
Mesites ; Haeckel (117) p. 401: redefined; Haeckel (118) p. 118. — M. 
pusireffsldi, redescribed; Haeckel (118) p. 119. 
Microplacta ( = Eucystidea), ord. nov. ; Haeckel (118) p. 77. 
Mimocystis ; Haeckel (117) p. 402: redefined, incl. Macrocy Stella Calla- 
way [which is 10 years older]; Haeckel (118) p. 149: considered 
syn. of Macrocy stella ; Pompeckj (269) p. 90. — M. bohemica , re- 
described; Haeckel (118) p. 149, pi. iv. 
Mitrocystis; Haeckel (117) p. 398: redefined, and M. mitra redescribed; 
Haeckel (118) p. 43, pi. ii. 
M., (?) n. sp., Paradoxides beds on the Stud end, hora, N. of Tejrovic, 
Bohemia, also at Pod trnfm ; Pompeckj (268) p. 504, pi. xiv : this is 
the fossil described by Jahn (48) Zool. Rec. 1894 as “Eine andere 
neue Cystideengattung” ; Jahn (145) pp. 660, 691. 
Orocystida, subfam. nov. of A ristocystida ; Haeckel (118) p. 49. 
Orocystis ; Haeckel (117) p. 397: redefined; Haeckel (118) p. 56. — 
O. helmhackeri , redescribed; Haeckel (118) p. 57. 
Palceocystida or Echinosphcerida , s. str. ; Haeckel (117) p. 397: ( = Ar- 
chceocystida ), defined (p. 12), defined, skeleton described (p. 61), 
classified (p. 64); Haeckel (118). 
Palceocystis ; Haeckel (117) p. 397 : redefined; Haeckel (118) p. 69. 
P. pentolena , Ordovician, Canada; Haeckel (118) p. 69, pi. i: n. sp. 
Palamphora , nom. nov., hypothetical ancestral genus; Haeckel (117) 
p. 396, and (118) p. 33. 
Palmacystis , n. g., with genotype Palmacystis palmata , based on “ Hydro- 
phores palmdes,” Ordovician, Bohemia; Haeckel (118) p. 151, pi. iv: 
n. sp. 
Pentactcea , hypothetical ancestral genus; Haeckel (117) p. 396, and (118) 
p. 32. 
Phacocystis Haeckel, quoted as syn. of Pseudocrinus j from Haeckel 
(117) [but the name does not occur in loc. cti.]; Haeckel (118) 
p. 135. 
Pirocystida s sub-fam. nov. of Aristocystida ; Haeckel (118) p. 49. 
Pirocystis , nom. bene emend, pro Pyrocystites Barr., redefined, and P. 
pirum redescribed ; Haeckel (118) p. 53, pi. ii. 
Placocystida , sub-fam. nov. of Anomocystida\ HaeCkel (118) p. 37. 
Placocystis, redefined (incl. Anomalocystis Woodw.), and P. Crustacea, nom. 
mut. pro Anomalocystis vel Anoplura [Enoploura] vel Ateleocystis 
balanoides Meek, redescribed, with restored fig.; Haeckel (118) 
p. 39. — P. forbesianus, redescribed, under name Atelocystis geaenbauri, 
n. sp. ; Haeckel (118) p. 42 : H. Woodward’s old figure modified and 
with a new legend ; Bather (28) p. 102. 
Pleurocystida, combined with Anomalocystida, as sub-fam.; Haeckel 
(118) pp. 33, 37. 
1897. [VOL. XXXIV.] 
E 28 
