CYST1DEA. (iV, G.) 
Echin. 97 
[an Cheirocrinus ] sp. (pp. 732, 763); G. cf. pennigera \Cheirocrinus 
penniger ] (pp. 723, 744, 762): Reed (194). 
Glyptosphaera (-ties) redefined and discussed (p. 423); G., n. sp., Upper 
Ordovician of Frasno, Spain, no description or figure (p. 425); G. 
ferrigena (Barr, sub Echinosphaera) rediagnosed (p. 353, f. 80 and 
p. 425); G. leuchtenbergi, rediagnosed (p. 423, pi. iv); G. marine, 
n. sp., Ordovician in Drift [? of N. Germany], cotypes at Berlin 
(p. 118, f. 26 and p. 425): Jaekel (130). 
Glyptosphaeridae defined ; Bather (22) p. 920: redefined m sense different 
from Bernard but almost same as Bather, inch only Glyptosphaera ,— 
morphology; Jaekel (130) p. 421. 
Gomphocystidae , defined ; Bather (22) p. 920: redefined in sense different 
from both S. A. Miller and Bather, incl. Gomphocystis and Pyrocystis, 
morphology; Jaekel (130) p. 414. 
Gomphocystis (-ties), rediagnosed, date of name discussed, morphology 
(p. 419); G. claims, syn. of G. glans (p. 421); G. gotlandicus, rediag¬ 
nosed (p. 421, pi. ii); G. glans , rediagnosed (p. 421, pi. ii); G. indianen- 
sis, rediagnosed (p. 421); G. tenax, rediagnosed (p. 421): Jaekel (130). 
Hallicystis, n. g. with genotype Apiocystis imago Hall (p. 286). H. 
imago, rediagnosed (p. 288, pi. xv); H. elongata, n. sp., Niagara 
limest., Chicago (p. 288 and text-fig. 62); Jaekel (130). 
Haplocystis, vide Agelacrinidce. 
Hemicosmites, v. Buch non Hall, rediagnosed; Jaekel (130) p. 307. H. 
? sp. indet., Ordovician, near Pu-pjao in Yunnan, China, hexagonal 
plates only, “ viele Porencanale in wirrer Stellung”; Loczy (149) p. 21, 
pi. vi, & p, 167, vide etiam H. loczyi. H. extraneus, rediagnosed (p. 310, 
text-fig.); H. grandis, n. sp., Ordovician, F 2, Lyckholm beds, near 
Hapsal, Esthland (p. 310, text-fig.); H. Iccevior, n. sp., Ordovician near 
St. Petersburg; based on admittedly abnormal specimen, with 7 infra- 
laterals (p. 309); HA loczyi, n. sp., Upper Ordovician, China (p. 315): 
Jaekel (130): no description but for further details, see Loczy 
(149). H. malum, rediagnosed (p. 309); H. pocillum , n. sp., Mid. 
Ordovician (? Jewe beds) Esthland (p. 310); H pyriformis Forbes non 
Buch, perhaps a Chirocrinus (p. 315); H. pyriformis, pathological 
individual [so exciting that diagnosis of sp. was forgotten] (pp. 296, 
309, pi. xviii) ; H. pulcherrimus, n. sp., Ordovician, D 3, Jewe beds, 
Sack near Reval (p. 310, pi. xviii); H. rudis, n. sp., Mid. Ordovician 
(Jewe beds), Wassalem, Esthland (p. 310 text-fig.); H. ? rugatus 
Forbes, Salter, discussed (p. 314); H. squamosus Forbes, discussed, 
belongs to no recognised genus of Caryocrinidce (p. 314); //. sub- 
globosus Hall is either a Stribalocystis or a Callocysticl (p. 307); H. 
tricornis, n. sp., Upper Ordovician, F 2, Borkholm beds, Nommkiill, 
Esthland (p. 310, pi. xviii); H. verrucosus, rediagnosed with ? syn. H. 
porosus Eichw. (p. 310): Jaekel (130). 
Hemicystis (-ties), rediagnosed; Jaekel (130) p. 49, vide etiam sub 
Agelacrinidce. H. bellulus, rediagnosed, incl. Agelacr. latiusculus 
(p. 49, pi. iii); H. billingsi (p. 49); H. bohemicus, rediagnosed, incl. 
Agelacr. tener (p. 49, pi. i); H. confertus, rediagnosed, incl. Agelacr. 
velatus, and A. bohemicus pars (p. 49); //. parasiticus, rediagnosed 
(p. 49); H. simplex, rediagnosed (p. 49); H. stellatus, rediagnosed 
(p. 49): Jaekel (130). 
Heterocystis armatus, position doubtful; Jaekel (130) p. 345. 
Holocystis (-ties) [ —J legacystis\ Hall non Lonsdale, referred to Clado- 
cnnoidea, but the species described under that name by S. A. Miller 
are referred to Trematocystis ; Jaekel (130) p. 413. 
Homocystis tertius Barr., see Leptocystis. 
Irregularia, sub-ord. nov. of Dichoporita, incl. Caryocrinidae, Echino- 
sphaeridae, Tetracystidae ; Jaekel (130) p. 291. 
