CYSTIDEA, BLASTOIDEA. (IV, G, H.) EchlU. 95 
descr. (p. 233, pis. xxxvi, xxxix), P. claypolei n. sp., Manlius forma- 
tion, Clark’s Mills, New Bloomfield, Pa. (p. 232, pi. xxxvii), P. elongatus 
n. sp., Manlius formation, Martin’s Mt., Bedford co., Pa. (p. 235 & 
fig., pi. xxxv), P. gordoni , descr. (p. 229 & fig., pis. xxxvi, xxxix), P. 
perdewi , descr., growth-stages (p. 236 & fig., pis. xxxvi, xxxix), P. 
stellatus , descr. (p. 232, pis. xxxv, xxxix), P. subquadratus n. sp., 
Manlius formation, near Cumberland, Md. (p. 234, pi. xxxv) ; 
Schuchert (249). 
Rhombiferida Order defined (p. 405) descr. with Famm. Echinosphaerites-, 
Ma.crocystell -, Glyptocystis -, Caryocrinus -, Cryptocrinus-inae (p. 408) ; 
Delage (54). 
Sphaerocystis, diagnosis (p. 248), S. bloomfieldensis n. sp., Manlius forma- 
tion, New Bloomfield, Pa. (p. 251), S. globularis descr. with n. var. 
ovalis (p. 252 & fig., pi. xxxviii), S. multyfasciatus descr. (p. 250 & figg., 
pis. xxxviii, xxxix) ; Schuchert (249). 
Sphaeronis descr. ; Delage (54) p. 412, figg. S. pomum ; Holm (126) 
p. 47, figg. 
Sphaeronitesinae defined with list of genera ; Delage (54) p. 412. 
Staurocystinae , vide Trimerocystis. 
Stauroci/stis , distinguished from Pseudocr. & I^epadocr. ; Schuchert 
(249) p. 240. 
Steganoblast'us ; Delage (54) p. 416, fig. 
Stribalocystis ? elongatus , “almost certainly not Stribalocystis ,” S. mis- 
souriensis, descr. ; Rowley (236) p. 273, pi. xvi. 
Stromatocystis ; Delage (54) p. 415, fig. 
Tetracystis n. g. of Apiocystinae (p. 217) with genotype T. chrysalis n. sp., 
Manlius formation, Keyser, W. Va. (p. 218 & fig., pi. xxxiv, xl), T. 
fenestratus (Troost sub Echinoencr.) now first published & figd. (p. 219 
& fig., pi. xxxiv) ; Schuchert (249). 
Trimerocystis n. g. of Staurocystinae (p. 237), with genotype T. pecidiaris 
n. sp. (p. 239 & fig., pi. xxxv), Manlius formation, Keyser, W. Va. ; 
Schuchert (249). 
(H.) +BLASTOIDEA. 
Blastoidia classified A. Rcgulares with Famm. Codaster -, Pentremites -, 
Troostocrinus-, Granatoblastus-inae , B. Irregulares ; Delage (54) p. 400. 
Castigation of Hambach (126) Zool. Rec. 1903 ; Rowley in Greene 
(105) p. 192-197. 
Acentrotremites ; Delage (54) p. 401, fig. 
Codaster descr. ; op. cit. p. 400, figg. C. cf. canadensis ; Grabau (102a) 
p. 194. C. pyramidatus ; Clarke & Luther (40) p. 43. 
Codasterinae defined with list of genera ; Delage (54) p. 400. 
Cryptoschisma ; Delage (54) p. 400, fig. 
Eleutherocrinus descr. ; Delage (54) p. 402, figg. E. whitjieldi ; Clarke 
& Luther (40) p. 52. 
Granatoblastusinae defined with list of genera [the generic name Granato- 
blastus being rejected, this Fam. name cannot possibly stand] ; Delage 
(54) p. 401. 
Granatocrinus sp. ; Weysse (284) p. 89, fig. 
Metablastus, vide Tricoelocrinus. 
Nucleocrinus descr. ; Delage (54) p. 401, figg. N. angularis , abnormal 
(p. 190, pi. lvii), N . imitator (p. 191, pi. Ivii) ; Rowley in Greene 
(105). N. lucina ; op. cit. p. 192, pi. lvii : Clarke & Luther (40) 
p. 46, 49, 52, 55. 
1904. [VOL. XLI.] 
1 All extinct. 
E 30 
