XV. Eehinodermata (mit Einschluss der fossilen) für 1900. 165 
Protocrinidae. 1. ce. 
Protocrinus, Fig. 1. ec. 
Prunoeystis (+ fletcheri u. Echinoencrinus baccatus), Fig. 1. e. 
Pseudocrinus, Fig. 1. c. 
Rhipidocystidae n. fam. d. Carpoidea, für Rhipidocystis n.g., Type: Rh. gigas 
n.sp., St. Petersburg. Jaekel (1). 
Rhombifera, als Ordnung. Bather (1). 
Rhombifera Barr. 1. ec. — R. mira zu Stephanocrinus. 1. e. 
Schizocystis, Fig. 1. e. 
Scoliocystis. 1. €. 
Soluta n. subord. Jaekel (1). 
Sphaerocystis. Bather (1). — multifasciatus. Schuchert (2). 
S'phaeronidae. Bather (1). 
Sphaeronis, Figg. 1. ec. — punctatus, stelluliferus. Malaise. 
Staurocystis s. Lepadocrinus. 
Staurosoma s. Tiaracrinus. 
Steganoblastidae. Bather (1). 
Steganoblastus (+ Astrocystites). 1. e. — ottawaensis, Fig. 1. ec. 
Stichocystis. 1. e. 
Streptaster. 1. €. 
Stribalocystis s. Caryocrinus. — 8. ? elongatus, Delthyris Shaly Limestone, Lower 
Helderberg, Perry Co. Mo., Figg. Rowley (2) n. sp. — missouriensis, Niagara 
Limestone, Mo., Fig. l.c. n.sp. 
Strobilocystis. Bather (1). 
Stromatocystis, Fig. 1. ce. — pentangularis. Perner (2). 
Sycocystis s. Echinoencrinus. 
Syringoerinus paradoxus. Bather (1). 
Tiaracrinidae. 1. c. 
Tiaracrinus (+ Staurosome). 1. c. 
Trigonocystis s. Trochocystis. 
Trinemacystis s. Echinosphaera. 
Trochocystidae n. fam. Jackel (1). 
Trochocystis (+ Trigonocystis), Fig. Bather (1). — bohemicus, occidentalis n. sp. 
Jaekel (1). 
Varicata n. subord. Jackel (1). 
Blastoidea. 
Blastoidea, geteilt in: Prot- und Eublastoideo. Bather (1). 
Acentrotremites, zu Orbitremitidae, Fig. 1.c. 
Asteroblastidae. 1.e. 
Asteroblastus (+ Asterocystis), Figg. 1. c. 
Asterocrinus s. Zygocrinus. 
Blastoidocrinidae. Bather (1). 
Blastoidocrinus, Fig. 1. ec. 
Codaster, Figg. 1. ce. — gracillimus, grandis Figg. Rowley (1, 2). — ©. (Urypto- 
