318
MARINE MOLLUSCS AS HOSTS FOR SYMBIOSES
carpus (first article) of palp short and oblong ; propodus elongate with
rounded terminal ; dactyl inserted behind middle of propodus, minute
and slender ; chelipeds small ; merus and carpus slender ; palm someFIQS. 212 and 213. Pinnotheres ostreum. (212) Adult female, dorsal view; (213) adult
male, dorsal view. (Redram after Williams, 1965.)
what flattened inside, swollen outside, widened from proximal toward
distal end, then narrowed ; width across base of fingers less than width
of palm ; fingers stout, not gaping, tips hooked past each other, with
minute teeth on opposing edges and a larger tooth near base of each ;