134 Echin . xiv. echinodehma. 
Pleurocystis ; Haeckel (117) p. 398 : redefined, and P.filitexta , redescribed ; 
Haeckel (118) p. 44, pi. ii. 
Pomocystida ( = Sphceronitida pars); Haeckel (117) p. 401: fam. nov. 
including sub-famm. Sphceronitida and Proteocystida ; Haeckel (118) 
pp. 77, 94. 
Pomocystis, n. g., with genotype P. uva (olim Sphceronis) An g. and 
including P. sulcifera and P. minuta Ang. sp. ; Haeckel (117) 
p. 401, and (118) p. 99. 
Pomonites, n. g., with genotype P. pentactcea , Ordovician of Scandinavia ; 
Haeckel (118) p. 96 : n. sp. 
Pomosphcera , n. g., with genotype P. ohlonga (olim Sphceronis) Ang. ; 
Haeckel (118) p. 99. 
Protamphora , nom. nov., hypothetical ancestor of hypothetical Palamphora ; 
Haeckel (117) p. 396, and (118) p. 33. 
Proteocystis ; Haeckel (117) p. 401: redefined, and P. jiava redescribed; 
Haeckel (118) p. 100. 
P. harrandena , based on Barrande, pi. xxx, figg. 23-26, Lower Devon., 
Bohemia; Haeckel (118) p. 101: n. sp. 
Protocrinus ; Haeckel (117) p. 401: redefined, and P. fragum (incl. P. 
oviformis Volb. pars), and P. oviformis Eichw. redescribed; Haeckel 
( 118) p. 104. 
Pseudocrinida, sub-fam. nov. of Callocystida ; Haeckel (118) p. 129. 
Pseudocrinus ; Haeckel ( 11 7) p. 401. — P. bifasciatusy redescribed; Haeckel 
( 118) p. 135, pi. iii. — P. oblonguSy referred to Staurocystis, and P. 
quadrifasciatus made type of Staurocystis ; Haeckel (118) p. 134. 
Psolocystisy nom. nov., genus hypotheticum, with genotype P. decanema , 
species hypothctica, belonging to Ascocystida ; Haeckel (118) p. 124. 
Pyrocystis ; Haeckel (117) pp. 397, 402 [vide Pirocystis]. 
Rhombifera, called Rhomboporita and then criticised; Haeckel (118) 
p. 19. 
Scolocystis, nom. nov. pro Echinocystis Hall non Thomson ; Gregory 
( 109) p. 133 : but was preocc. by Lysocystis S. A. Miller; Bather (31). 
Sphcerocystis; Haeckel (117) p. 401 : redefined, and S . multifasciata, 
redescribed; Haeckel (118) p. 133, pi. iii. 
Sphceronites ; Haeckel (117) p. 401 : redefined and restricted, includes £. 
pomum, S. globulus, S. ovalis; S. pomum, redescribed; Haeckel (118) 
p. 98. — S. pyriformis, Keisley Limestone; Heed (276) p. 82. 
Sphceronitidce , defined, includes Sphceronis , Glyptosphcera, Protocr ., Fungo- 
cystis, Proteocystis , Holocystis , Eucystis , Gomphocystis ; Zittel (356) 
p. 153, and Zittel-Eastman (357) p. 182. 
Staurocystis , n. g., with genotype S. quadrifasciata (olim Pseudocrinus ) ; 
Haeckel (118) p. 134, pi. iii. — S. oblonga (olim Pseudocr.)’, loc. cit. 
Staurosoma rarum Barr., doubtfully referred to Staurocystis'. Haeckel 
( 118) p. 134. 
Stephanocystis, hypothetical genus (also called Stephanamphora ) ; Haeckel 
( 117) p. 396. ; 
Stromatocystis, n. g. (p. 505), with genotype S. pentangularis, n. sp. (p. 506), 
Cambrian of Pod trnfm near Tejfovic, Bohemia, perhaps inch Cyst idea 
concomitans, Barr. ; Pompeckj (268) Jahrb. geol. Iteichsanst. xlv, pi. 
xiii. — S. pentangularis is the fossil described by Jahn (48) Zool. Ilec. 
1894 as “Eine neue...Cystideengattung (mit dem Agelacrinus noch 
am nachsten verwandt) in zwei Formen” ; Jahn (145) pp. 660, 691, 
752. 
Sycocystida, subfam. nov. of Glyptocystida ; Haeckel (118) p. 141. 
Sycocystis ( = Echinoencrinus ); Haeckel (117) p. 402: redefined, incl. 
Eehinoencrinus pars, and Gonocrinus Eichw.; Haeckel (118) p. 145. 
— S. angulosa, incl. Echinoencrinus senckenbergi et E. stria tus, re- 
describea; loc. cit. 
