Lobster claw.

Lobster

Lobster claw.

"Longitudinal section of lobster, showing some of the organs. H., Heart; AO., ophthalmic artery; SA., superior abdominal artery; MG., mid-gut; DG., digestive gland; HG., hind-gut; Ex., extensor muscles of he tail; Fl., flexor muscles of the tail; IA., inferior abdominal artery; G., gizzard; C., cerebral ganglia; P., pericardium; T., testes." -Thomson, 1916

Lobster Organs

"Longitudinal section of lobster, showing some of the organs. H., Heart; AO., ophthalmic artery; SA.,…