242 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



Plate 46 



Fig. 1. Stechowia armata. Part of branch with gonangia (enlarged). 



2. Stechotvia armata. Hydrotheca (greatly enlarged). 



3. Aglaophenia triramosa. Hydrotheca (greatly enlarged). 



4. Aglaophenia triramosa. Corhula (enlarged). 



Plate 47 



Fig. 1. Thccocarpus balei. Two hydrothecae (greatly enlarged). 



2. Thccocarpus balei. Corbula (enlarged). 



3. Halicornaria tenuirostris. Part of hydrocladium (enlarged). 



4. Halicornaria tenuirostris. Two hydrothecae (greatly enlarged). 



5. Halicornaria magnirostris. Two hydrothecae (greatly enlarged). 



6. Halicornaria magnirostris. Hydrothecae to show giant nematophores- 



(enlarged). 



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