BiGELOW. — Medusae and Siphonophorae. 



■ PLATE 4. 



VOGTIA PENTACANTHA Kolliker. 



Fig. 1. Dorsal view of an adult nectophore. 



VOGTIA GLABRA BigeloW. 



Fig. 2. Dorsal view of young nectophore, 7 mm. long. Type-specimen. 



Fig. 3. Ventral view of same. 



Fig. 4. Dorsal view of older nectophore, 17 mm. long. 



Fig. 5. Adult nectophore, 30 mm. broad; dorsal view. 



Fig. 6. Yovmg tentillum. 



Fig. 7. Adult tentillum. 



