DISTRIBUTION, (ill, B, iii, c — e ; iv.) 
E chin. 55 
(iv) Palaeozoic. 
a. General Vacant. 
b. Permian Vacant. 
c. Permo-Carboniferous: — Vacant. 
d. Upper Carboniferous: — Coal measures— marine band above [i.e. 
below] the Gin Mine Coal, Nettlebank Sinking, Smallthome, N. 
Staffs., Archaeocidaris , Grin. ; Hind (138) p. 121 and (139) p. 235 : 
Ward (330) pp. 294, 320, 343 : Stobbs (308) pp. 502, 629, 543, 547, 
pi. xxxv. — Spain, Archaeocidaris, Poteriocr., Mcspilocr., Erisocr., 
Platycr., Cyathocr., Euryocr. ; MallAda (208) passim. — Kessler 
Limestone of Arkansas = Pentremital Limest. ; Girty (113) p. 9. — 
Bangor Limestone near Cole City, Georgia, Pentremites ; McCallie 
(203). 
e. Lower Carboniferous : — Carbonif. Limest., Ticknall and Breedon 
Cloud, S. Derbyshire, list of Crin. and Ech. ; Strangways (310) 
p. 14 : near Cefn, S. Wales, Archaeocidaris , Crin. ; Hind (139) p. 237. 
— Cork, list of Crin. and Palaechinus ; Lamplugh (174) pp. 26, 29. — 
S. Oran, Algeria, Poteriocr. and A ctinocr. columnals ; Th^venin (314). 
Erg of Issaouan, Algerian Sahara, Poteriocr., Rhodocr. ; Haug (130) 
pp. 793, 795 : Poteriocr. ; Foureau (96) p. 574. 
Chester group, — Cypress Sandst., W. Kentucky, Talarocr., Pentremites 
(p. 54), Ste. Genevieve Limest., W. Kentucky; Platycr., Batocr., 
Pentremites , Mesoblastus (pp. 42, 47), Kaskaskia Limest. = Birdsville 
and Tribune, W. Kentucky, Agassizocr., Pterotocr., Pentremites 
n. spp. (pp. 58, 61, 63) ; Ulrich (321). 
St. Louis Limest., W. Kentucky, Pentremites n. sp., Melonites, 
Archaeocidaris, Dichocr. (p. 33), Spergen Limest., W. Kentucky, 
Pentremites (p. 30) ; Ulrich (321). 
Missouri, Burlington age, Cyathocr. n. sp., Eretmocr., Cryptoblastus, 
Schizoblastus, Lophoblastus n. sp., Orophocr., Pentremites, Meta - 
blastus, Mesoblastus, Codaster n. sp. ; Rowley (282). — Waverly ago, 
Rocky Mts., S. W. Montana, Cyathocr., Taxocr., Actinocr., Platycr., 
Rhodocr., Poteriocr. (pp. 421-423), Madison Lst., Bridger Mts., 
Montana, Poteriocr., Platycr., Rhodocr. (see Miller, 234 & 235 Zool. 
Rec. 1897) (p. 417) ; Douglass (82). 
f. Devonian: — Spain, Pradocr., Entrochus, Cyathocr., Hexacr., Rhodocr., 
Pentremitidea, Phaenoschisma, Troostocr. ; Mallada (208) p. 6 
et passim. — Tassili and Erg of Issaouan, Sahara, Melocr. ; Haug 
( 130) p. 766. — Columbus Lst., Ohio, Nucleocr. ; Prosser (261). 
Upper Devonian: — Portage beds, N. York, Maragnicr. n. g. et sp., 
Cosmocr. ; Whitfield (339) : Cyathocr ., Scytalocr., Maragnicr. ; 
Clarke (58). 
Middle : — Moravia, Actinocr., Protocidaris ; SmycjkA (303). — Sierzawy- 
Schichten and Crinoiden-Kalk, Poland, Haplocr. ; Sobolew (304) 
p. 68. 
Lower : — in Cornwall, England, Sympterura n. g. et sp. ; Bather 
( 21). — Meadfoot beds, S. Devonsh. Hexacr. and other Crin. remains ; 
Ussher (323). — Coblentian Dachschiefer, various locc. near Riides- 
heim, Acanthocr., Cyathocr . ; Leppla (180) p. 28 : at Caub. Acanthocr ., 
Cyathocr. ; Leppla (181) p. 16. 
Helderbergian, New York, Anomalocystis , Lepocr., Homocr., Edriocr., 
Melocr., Cordylocr., Aspidocr., Brachiocr . ; n. spp. of Thvsanocr., 
Mariacr., Iclithyocr. ; Talbot (312). — Bocraft limestone, Trilobite 
Mt., N.Y., Edriocr. ; ShimeR (300). — Silurian? Lower Helderberg, 
Virginia, Aspidocr . ; Williams (342). 
