CYSTIDEA, BLASTOIDEA. (iV, G, H.) Echin. 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. suhquadratus n. sp., 
Manlius formation, near Cumberland, Md. (p. 234, pi. xxxv) ; 
SCHUCHERT (249). 
Rhomhiferida Order defined (p. 405) descr. with Famm. Echinosphaerites-, 
Macrocystell-^ 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. glohularis descr. with n. var. 
ovalis 252 & fig., pi. xxxviii), S. multifasciatus descr. (p. 250 & figg., 
pis. xxxviii, xxxix) ; Schuchert (249). 
Sphaeroiiis 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. 
Staurocystis, distinguished from Pseudocr. & Lepadocr. ; Schuchert 
(249) p. 240. 
Steganohlastus ; Delage (54) p. 416, fig. 
Strihalocystis ? elongatus^ " almost certainly not Strihalocystis,^^ 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. pectdiaris 
n. sp. (p. 239 & fig., pi. xxxv), Manlius formation, Keyser, W. Va. ; 
Schuchert (249). 
(H.) tBLASTOIDEA. 
Blastoidia classified A. Regulares with Famm. Codaster-^ Peiitremites-, 
Troostocrinus-^ GranatohlastiLS-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. (7. 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. ivhitfieldi ; Clarke 
& Luther (40) p. 52. 
Granatohlastusinae defined with list of genera [the generic name Granato- 
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. angidaris, abnormal 
(p. 190, pi. Ivii), N. imitator (p. 191, pi. Ivii) ; Rowley in Greene 
(105). N. lucina ; op. cit. p. 192, pl. Ivii : Clarke & Luther (40) 
p. 46, 49, 52, 55. 
i All extinct. 
1904. [Vol. xll] 
E 30 
