NO. 3556 PORTUNID CRABS—STEPHENSON AND REES (3) 
The pleopods of form A males are relatively stout and end abruptly 
(figs. 25a, c, d). Subterminally on the outer side there are approxi- 
mately six very short, stout, tubercle-like, laterally directed spines, 
overlapped and succeeded by about six bristles which are mostly 
forwardly directed. Subterminally on the inner side there are a few 
Al Bi 
AA 
Ficure 26.—Male abdomens. Thalamita danae Stimpson: a, form A (normal), Philip- 
pines, Dumurug Pt., 4/b.; b, form A (abnormal), Philippines, Dumurug Pt., Alb.; c, 
form B, China, Nau Wau, Alb. T. foresti Crosnier: d, China, Sabtan I., Alb. (Scale= 
5 mm.) 
sparsely arranged hairs. In form B, the pleopods are thin, gradually 
tapering, and distinctly curved near the tip. Subterminally on the 
outer side there are about six stout, elongate, forwardly directed 
bristles. On the inner side there is an extended row of elongate, 
forwardly directed spines. 
