1 adverbs to describe how to vertical

The latter curious animal, consists of a flat oval expansion, an inch and a half in length, furnished below with numerous cirrhi and a proboscidiform mouth, and above with an obliquely vertical crest, the whole of a rich blue colour with white lines and dots, the soft parts conceal a transparent cartilaginous framework.

1 adverbs to describe how to  vertical  - Adverbs for  vertical