PLATE XVIII. 
rage. 
PJnaloc/'huis p>'incej)s, JLth. HI. 
110 
Fi<r 
j 1^. 
1. 
Calyx, top stem joint, and portion of the arms in relief. 
Sfe7)i ... 
IIG 
Fig. 
2_ 
Portion of a stem with verticillate cirri articulations. 
Perforated stem 
117 
Fig. 
3. 
Portion of an enlarged or distorted stem with perforation. 
Serpula testatrix, Eth. fil. ... 
120 
Fig. 
i. 
The test attached to a Crinoid stem. 
Fig. 
is » 
The same, x 4 
Figs. 1, 3-5, from Mount Vincent. 
Fig. 2, „ 8hoalhavcn District. 
[The original of Fig. 1 is in the Branch Technological Museum (Maitland Scientific 
Society) at West Maitland.] 
