224 CALLIANASSA AUDAX, 
Legs of the 1st pair very unequal. Merus of larger leg 
with the lower margin widened to a little beyond the 
middle and finely denticulate by 13 or 14 small, acute 
teeth. Carpus about as long as the merus and nearly as 
long as broad; outer- and inner surface slightly convex, 
smooth, margins entire though appearing very finely serrate 
at the inner side. Chela twice as long as the carpus, palm 
one-third longer than the carpus, upper margin carinate 
to a little beyond the middle; outer and inner face of the 
palm smooth; fingers half as long as the palm, shutting 
close together and rather coarsely granulate. 
Small cheliped quite smooth, much narrower than the 
larger, like in Call. gigas Dana. Merus somewhat ovoid, 
twice as long as broad, unarmed. Carpus one-third longer 
than the merus, 3-times as long as wide, both margins 
straight and parallel. Chela a little shorter than the carpus, 
palm very slightly longer than the fingers. 
The 24 legs closely resemble those of Call. armata 
A.M.-Edw. (Nouv. Arch. du Muséum, VI, 1870, pl. I, fig. 8). 
Propodus of 3rd legs with a rounded lobe on the hinder 
edge; anterior part one and a half as wide as the posterior 
lobe, posterior margin straight. 
Abdomen broad and depressed. Second somite one-third 
longer than the first and slightly broader than long. Sixth 
somite one-third broader than long, rather strongly convex 
transversely. Telson much shorter than the 6th somite and 
one and a half as broad as long;. lateral margins slightly 
bent, posterior margin truncate, though faintly undulate. Uro- 
pods much longer than the telson. Inner uropod triangular, 
subacute, almost twice as long as wide, with the outer 
margin straight and the inner slightly curved. Outer uropod 
regularly oval, one and a half as long as broad, with the 
margins regularly rounded; outer branch not projecting 
beyond the inner branch. 
Outer rami of the pleopods of the 3rd to 5th somites sickle- 
shaped, inner rami presenting the form of a rectangular 
triangle, two sides of which are equally long and straight, 
Notes from the Leyden Museum, Vol. XX XIII. 
