PLATE XII. 



KIO. 



1. STATJRIDIUM PRODUCTUM, p. 68, a polypite, highly mag- 



nified. 1 a. The gouozooid. 



2. CLAVATELLA PROLIFERA, p. 73, a polypite, highly mag- 



nified, bearing clusters of gonozooids. 



2 a. The ambulatory gonozooid, magnified. 



3. MYRIOTHELA PHRYGIA, p. 77, a little above nat. size. 



3'. The same, partially contracted, nat. size. 



3 a. The embryo, magnified. After Alder. 3b and 3d. The 



gonophore, magnified. 3 c. A tentacle, magnified. 



