rOSSIL ECriINODERMATA. 
l^ch. 13 
Cyclocrinus^ Ctmocrinus, aud Pentacrinus). Schulte, 11., Ueber einige 
astylide Crinoideen ; Z. geol. Ges. xxx. pp. 28-66, pis. i.-iii. (7 species 
oi Antedon known from jurassic, 16 from cretaceous, and 5 from 
tertiary formations ; an eocene Cyathidium ; Uintacrinua westphalicna, 
sp. n., a cretaceous tessellate Crinoid, without stem). C. Wachsmuth 
& F. Springer, Transition-forms in Crinoids and description of 5 new 
species; P. Ac. Philad. 1878, pp. 224-266. Wachsmuth’s notes on the 
structure of palaeozoic Crinoids are reprinted, Ann. N. H. (5) i. pp. 379- 
392 & 453-463. C. A. White, Descriptions of a new species of inver- 
tebrate fossils from the carboniferous and upper Silurian rocks of Indiana 
and Illinois; P. Ac. Philad. 1878, pp. 29-37. N. P. Angelin, Icono- 
graphia Crinoideorum in stratis Suecise siluricis fossilium ;Holmiae, 68 pp. 
29 pis. The genera are distributed in 4 groups — Trimera, Tetramera, 
Pentarnera, and Polymera — after the number of the basal plates. New 
genera established : — Briarocrinus, Patelliocrinus, Leptocrinus, Cordylo- 
crinua, Pionocrinus, Desinidocrinus, Barrandeocrinus, Gissocrinus, Homalo- 
crinus, Clidochirua, Calpiocrinua, Aniaocrinua, Pycnosaccus, Corymhocrinus^ 
A hacocrinus^ Cyrtidocrinua^ Stelidiocrinus ^ Harmocrinua, Sicyocrinua, 
Euapirocrinus, Opliiocrinua, Botryocrinua, Eucrinua, Polypeltea, and 
Eucyatia. The names of the Cystidean genera are changed : — Echino- 
sphcera, Caryocystis, Megacyatia^ Sphceronis, Glytoaphcera, Gomphocystia, 
Glyptocyatis. 
