"A, Developed Endopodite, or ordinary ambulatory leg of the crawfish as a thoracic appendage: ab, the whole extent of the endopodite with seven joints; 1, coxopodite; 2, basipodite; 3, ischiopodite; 4, meropodite; 5, capopodite; 6, propodte; 7, dactylopodite; e, filaments borne on coxopodite; d, an epipodite. B and C, appendages respectively of first and second abdominal somite of th male: ab, endopodite; c, exopodite." -Whitney, 1911

Crawfish Leg

"A, Developed Endopodite, or ordinary ambulatory leg of the crawfish as a thoracic appendage: ab, the…

"Appendages of Norway lobster. Ex., Exopodite: En., endopodite; protopodite dark throughout; Ep., epipodite. 1. Antennule--E., position of ear; 2., antenna--K., opening of kidney; 3. mandible--P., palp; 4. first maxilla; 5. second maxilla--B., baler; 6. first maxillipede; 7. second maxillipede; 8. third maxillipede--the basal joint of the protopodite is called coxopodite, the next basipodite; the five joints of the endopodite are called--ischiopodite (i.); meropodite (m.); carpopodite (c.); propodite (p.); dactylopodite (d.); 9. forceps--(7) coxopodite; (6) basipodite, the joints of the endopodite are numbered; 10-13. walking legs; 14. modified male appendage; 15-18. small swimmerets; 19. large paddles." -Thomson, 1916

Norway Lobster Appendages

"Appendages of Norway lobster. Ex., Exopodite: En., endopodite; protopodite dark throughout; Ep., epipodite.…