OF THE 'POECUPIXE' EXPEDITIONS. 481 



Fig. 1'. Aglaophenia dromaius, portion of stem, with corbula, magnified. 

 Fig. 2. Aglacyphenia elongata, natural size. 



Fig. 2". AglaoplKnia elongata, portion of hydrothecal ramulus magnified. 

 Fig. 2*. Aglaophenia elongata, corbula magnified. 

 Fig. 3. Halicornaria ramuUfera, natural size. 

 Fig. 3". Halicornaria ramtilifera, a portion magnified. 

 Figs. 8', 3'. Halicornaria ramuUfera, portions still further magnified. 

 Fig. S"*. Halicornaria ramuUfera, portion of stem close to the root, magnified, showing 

 its fascicled condition. 



PLATE LXVIII. 



Fig. 1. Cladocarpus formosus, natural size. 



Fig. 1". CladocarjMS formosus, portion of stem, with hydrothecal and gonangial ramuli, 



magnified, a, a. gonangial ramuli. 

 Fig. 1''. Cladocarpiis formosus, hydrotheca magnified (front view). 

 Fig. 2. Diplopteron insigne, natui-al size. 

 Fig. 2". Diplopteron insigne, portion magnified. 



Fig. 2*. Biplopteron insigne, portion of hydrothecal ramulus (profile). 

 Fig. 2'. Biplopteron insigne, portion of hydrothecal ramulus (front view). 



