164 XV. Echinodermata (mit Einschluss der fossilen) für 1900. 
Hemicystis. 1. ec. — bohemicus, bellus, confertus, simplex. Perner (2). 
Heterostelea n. ord. d. Carpoidea. Jaekel (1). 
Heterocystis, zu Caryocrinidae, Fig. Bather (1). 
Hexalocystis s. Hemicosmites. 
Holocystites gyrinus, Fig. hc. 
Holocystis s. Megacystis. 
Homocystis. Bather (1). 
Juglandocrinus, Fig. 1. e. 
Lapillocystis. 1. €. 
Lepadoerinus (+ Apiocystis, Staurocystis?, Hallicystis, Pseudocrinus quadri- 
fasciatus u. oblongus) Figg. 1. ce. — sp. u. G@ebhardi. Schuchert (2). 
Lepadocystis (+ Meekocystis), Fig. Bather (1). 
Lepidodiscus, Fig. 1. e. 
Lichenoerinus affinis. Schuchert (2). 
Lichenoides (+ Lichenocystis). Bather (1). 
Lodanella. 1.e. — mira Kays. Schlüter (2). 
Lysocystis (+ Echinocystis u. Scolocystis). Bather (1). 
Macrocystella (+ Mimocystis), Fig. 1. ec. — M. cf. bohemicus. La Touche. 
Macrocystellidae. Bather (1). 
Malocystidae. 1. e., Jaekel (1). 
Malocystis. 1.e. — murchisoni, Fig. Jaekel (1). 
Marginata n. subord. der Carpoidea. Jaekel (1). 
Meekocystis s. Lepadocystis. 
Megacystis. Bather (1). 
Megacystidae. 1. e. 
Mesocystis (= Mesites Hoffm.), Fig. 1. e. 
Mimocystis s. Macrocyslella. 
Mitrocystella n. g., Tyve: „„Anomalocystis““ inceipiens. Jaekel (1). — barrandei, 
Ordovicium, Böhmen, Fig. }. e. n. sp. 
Mitrocystidae n.fam. Jaekel (1). 
Mitrocystis, Fig. Jaekel (1), Bather (1). — lata, Ordovie., Böhmen. Jaekel (1) 
n.sp. — mitra. 1.c. 
Neocystis. Bather (1). 
Orocystis, Fig. 1. e. 
Palaeocystis. 1. €. 
Palmacystis. 1. c. 
Prlocystis. 1. €. 
Pirocystis, Fig. 1. e. 
Placoecystis, Fig. 1. e. (+ Atelocystis). Jaekel (1). — forbesianus, Fig. 1. e. 
Platycystis. Bather (1). 
Pleurocystis, Fig. 1. e. 
Pomocystis. 1. €. 
Pomonites. 1. €. 
Pomosphaera. 1. €. 
Porocrinus s. unter Crinoidea. 
Proteocystis, Fig. Bather (1). 
Proteroblastus (= Dactylocystis), Fig. 1. e. 
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