BiGELOw. — Medusae and Siphonophorae. 



PLATE 6. 



Ceratocymba sagittata (Quoy & Gaimard). 



Fig. 1. Group of appendages, still attached to the stem (see p. 414). 

 Fig. 2. Male gonophore of same, more enlarged, from left side. 

 Fig. 3. Female gonophore 30 mm. long, from free eudoxid, seen from right 

 side. 



Abyla leuckarth Huxley. 



Fig. 4. Female gonophore 8 mm. long, from free eudoxid, Albatross Sta- 

 tion 4,469, Eastern Pacific. 



