"Mysis flexuosa, from side. b., Brood-pouch borne on posterior thoracic limbs; o., otocyst in tail. Note eight pairs of similar biramose thoracic feet. The last two thoracic segments are not covered by the shield." -Thomson, 1916

Mysis Flexuosa

"Mysis flexuosa, from side. b., Brood-pouch borne on posterior thoracic limbs; o., otocyst in tail.…

"Otocyst in a mollusk. n, nerve; ;o, otolith; s.c., sensory cells in wall of otocyst." — Galloway

Otocyst

"Otocyst in a mollusk. n, nerve; ;o, otolith; s.c., sensory cells in wall of otocyst." — Galloway