PLATE L 
Figs. 1-la. — JEudendrium vestitum (p. 3). 
Fig. 1. — A colony of the natural size, attached to an echinus spine. 
Fig. la. — A portion of a colony; magnified about 25 diameters. 
Figs. 2, 2a. — Stylactis vermicola (p. 2). 
Fig. 2. — Part of a specimen of Lsetmonice producta, seen from the dorsal side after the 
removal of one of the series of dorsal plates in order to expose the colony of 
Stylactis vermicola which had attached itself to the back of the Annelid ; 
natural size. 
Fig. 2a. — A portion of a colony, with hydranths and gonophores; magnified 20 diameters. 
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