PROUT—BRYOZOA, 3D SERIES, 451 
rays; in a space of two lines ‘igtindioalls there are three 
a half fenestrules, and six to seven transverse 
Cell-pores large, round, or oval, and round-) lipped ; when 
perfect, generally five to each fenestrule, ss near the base, 
h e fenestrules are shortene 
Se iicisttely granular, or striate when worn, base hav- 
bars, which supported it when tossed by the tumultuous 
of In 
Geol. Pos. & Loc.—Second or Middle Archimedes Lime- 
stone of the Carboniferous series, Barrett’s Station, St. Louis 
0, is ea own cabinet. 
nal rays ; near the hase it has only four cells to each 
fe e, but more towards the border it has at least five. 
It may be identical, as its general outline and its measure- 
ments agree very oye: with his Spesiot, It seems, however, 
‘o be a distinct and much larger species, having a number of 
inte would indicate an Sit a o.8 at least two or 
are OF PLATES. 
Pirate XV. 
Fig. : Renesas St. Ludovici. 
a 
x bh 
ew Fe 
_ “ 2a—Same, magnified cells (ideal). 
