EXPLANATION OF PLATE LXX. 



Rossia australis. 



Fig. 1. — Outline view of 9 paratype [53^»], dorsal aspect. 



Fig. 2.— Dorsal aspect of type specimen, d" [538]. 



Fig. 3. —Nuchal cartilage of ? [540]. 



Fig, 4.- Higlit funnel cartilage of same specimen ; same 

 scale. 



Fig. 5. — Oral aspect of right dorsal arm of type specnnen rT 



[538], showing hectocotylization. 

 Fig. 6. — Oral aspect of left second arm of 9 [540]. 

 Fig. 7. — Oral aspect of righl tenta.(;le club of same specimen. 



Fig. 8— Funnel of 9 [540], laid open aloJig medio-ventral 

 line to show funnel orsan. 



