NEW AND INTERESTING SPECIES OF PALAEOZOIC 



FOSSILS. 



BY S. A. MILLEU AND \VM. F. E. GUKT.EY. 



SUBKINGDOM ECHINODERMATA. 



CLASS CRINOIDEA. 

 ORDER PAL^OCRINOIDEA. 

 FAMILY ACTINOCRINID.E. 



BATOCRINUS POLYDACJTYLUS, U. SJ). 



Plate I, Fi(j. 1, view of calyx, arms and pari of the column, 

 azijgous area on the right. 



Species above medium size. Clayx short, saiicer-shaped, 

 about four times as wide as hi,i;;li: iuterradial areas slightly 

 flattened; surface granular. Column medium size and comjiosed 

 of alternately larger and smaller plates. 



Basals form an hexagonal disc, less than twice the diameter 

 of the column, bearing a low rim around the depression for 

 the attachment of the column. First primary radials more than 

 twice as wide as high. Second primary radials quadrangular, 

 nearly three times as wide as high. Third primary radials 

 not much larger than the .second, twice as wide as high, 

 pentagonal, axillary, and support upon the upi)er sloping sides 

 the secondary radials. In each lateral ray and in the ray 

 opposite the azygous area there are two secondary radials, the 

 last of which are axillary and bear three tertiary radials, the 

 last one being axillary and bearing two arms; which gives to 

 each of these rays eight arms. The ray on the right of the 

 azygous ai'ea bears three secondary radials, the last one being 

 axillary and bearing two arms, which gives to this ray four 

 arms. The ray on the left of the azygous ai-ea bears, on the 



