p. 2

Phytopsis tubulosum, Hall
Palaeont. of N.Y. Vol 1 p 38 pl 8 fig 1
Fucoides demissus, Emmons, Geol. of
N.Y. p.p. 109, 110; 383 & 384.

Stems subcylindrical obtusely
angular or compressed, branched, branches
inosculating obliquely, or in an ascending
direction; external covering thin, calcareus?;
center usually filled with softer
materials or crystalized.

D. 0.1 to 0.3