BiGELOw. — Medusae and Siphonophorae. 



PLATE 3. 



Calyopsis papillata Bigelow. 



Fig. 1. Side view of tjrpe-specimen, with the side of the bell cut away, to 

 show canals and manubrium. From a photograph. 



Ctclocanna welshi Bigelow. 



Fig. 2. Aboral view of type-specimen. 



Fig. 3. Side view of manubrium, and basal part of one of the radial canals, 



with its gonad, of tjrpe. 

 Fig. 4. Aboral view of margin of type, to show large and small tentacles. 

 Fig. 5. Aboral view of small tentacle, showing pigmentation. 



ErniAKA MAYERI BigcloW. 



Fig. 6. Section of bell-wall, and one of the hollow exumbral ribs. 



