XV. Echinodermata (mit Einschluss der fossilen) für 1904. 99 



Mitrocystis, Figg. 1. c. 



Placocystis 1. c. 



Platycystis sp. Taff. 



Pleurocystis, Figg. Delage et Herouard. — squamosa Ami (I). 



Proteroblastus, Fig. Delage et Herouard. 



Protocrinus Fig. 1. c. 



Pseudocrinus Schuchert. — abnorrnalis n. sp., Manliusformation, W. Va., Taf. 35 

 1. c. — clarki, Taff. I. c. — claypolei n. sp., Manliusformation, Pa., Taf. 37, 

 1. c. — elongatus n. sp., Manliusformation, Pa. Taf. 35 1. c. — gordoni, Taff. 

 1. c. — perdewi, Taff. 1. c. — stellatus, Taff. 1. c. — subquadratus n. sp., Manlius- 

 formation, Md. Taf. 35 1. c. 



Rhombiferida, als Ordnung, mit 4 Famm. Delage et Herouard. 



Sphaerocystis Schuchert (2). — blomfieldensis ii. sp., Manliusformation, Pa. 1. c. 



— globularis mit n. var. ovalis, Taf. 38 1. c. — multifasciatus, Taff. I.e. 

 Sphaeronis, Figg. Delage et Herouard. 



Sphaeronitesinae 1. c. 



Staurocystis Schuchert (2). 



Steganoblastus, Fig. 1. c. 



Stribalocystis 1 elongatus, missouriensis, Taf. XVI Rowley. 



Stromatocystis, Fig. Delage et Herouard. 



Tetracystis n. g. der Apiocystinae, Type: T. chrysalis n. sp., Manliusformation, 

 W. Va., Taff. Schuchert (2). — fenestratus, Taf. 34, 1. c. 



Trimerocystis n. g. der Staurocystinae, Type : T. peculiaris n. sp. Taf. 35, Manlius- 

 formation, W. Va. Schuchert (2). 



tßlastoidea. 



Blastoidia, geteilt in Reguläres u. Irreguläres Delage u. Herouard; hierzu auch 



Rowley in Greeoe. 

 Acentrotremites, Fig. Delage et Herouard. 

 Codaster, Figg. 1. c. — pyramidatus Clarke a. Luther. 

 Codasterinae Delage et Herouard. 

 Cryptoschisma, Fig. 1. c. 



Eleutherocrintcs, Figg. 1. c. — whitfieldi Clarke a. Luther. 

 Granatoblastusinae Delage et Herouard. 

 Granatocrinus sp. Weysse. 

 Nucleocrinus Fig. 1. c. — angularis u. imilator Taf. LVII Rowley in Greene (3). 



— lucina 1. c, Clarke a. Luther. 

 Orbitremites, Fig. Delage et Herouard. 

 Orophocrinus, Fig. 1. c. 



Pentremites, Figg. 1. c. — sp. IHc Callie. — koninckanus, Taf. LVII, Rowley 



in Greeue (3). — ledu Clarke a. Luther. 

 Pentremitesinae Delage et Herouard. 

 Pliacnoschisma, Figg. 1. c. 

 Tricoelocrinus — bipyramidalis (-{- wortheni) Taf. LVII, meeki (= ivoodmani 



juv.), obliquatus (= woodmanni), varsouviensis, ivoodmani ? Taf. LVII Rowley 



in Greene (3). 



7* 



