C 43° 1 
of ftarry openings, which fend out fmall fuckers 
like polypes by which it feeds. 
7. The under part of the fame, with its ramifying 
fibres, that lead from the infertion of the item 
as from a center to the circumference, and cor- 
refpond with all the ftarry openings on the edge 
and back of it. 
8 and 9. Both fides of this animal magnified. 
10. A part of the exterior edge higher magnified, 
to fhew the form of the ftarry openings and fuc- 
kers, which confift of 6 rays and claws. 
Plate XX. 
The four following Sea-Pens were found by Dr. 
Bohadfch, in the Sea, near Naples. 
Fig. 1. Reprefents the forepart of the Red-Sea- 
Pen with many rows of fuckers on its fins. 
2. The back part, the middle of which is covered 
with the appearance of fmall papillae. 
3. One of the fins magnified. 
4. One of the fuckers feparated. 
5. The bone taken from the internal part of the pin- 
nated trunk j this is fattened to ligaments at both 
ends which are likewife inferted in both ends of 
the animal. When the ligament at the bafe is 
contracted, it forms that finus at a a , that has been 
taken for a mouth by molt authors. 
6. The Grey-Sea-Pen. 
7. One of its crenated fins. N. B. There is a figure 
of this Sea-Pen taken from a dried fpecimen in the 
third tome of Seba’s Mufeum. 
8. The 
