34 RATHBUN 
and fingers subequal. The right foot of the second pair is missing; the 
left has a short, stout merus, carpus cup-shaped, with an inner distal 
tubercle, and a tubercle near the middle of the distal 
margin; palm and fingers subequal in length, palm 
two thirds as broad as long, inner edge marginate, 
fingers gaping, prehensile edges denticulate, fringed 
with long hair. Dac- 
tyli of last three pairs 
of feet with a sub- 
terminal and a ter- 
minal spine. 
The telson is twice 
\ ‘. as long as the pre- 
J ceding segment, and 
has two pairs of 
) long lateral appressed 
~" spines inserted on 
the anterior half. 
The outer uropod is as long as the tel- 
son, the inner uropod a little longer. 
Dimensions.—Length of carapace 
and rostrum 6.7 mm., of rostrum 1.8 
mm., of abdomen g mm. 
Type locality. — Off Santa Cruz Is- 
land, Calif., 30 fathoms (Adbatross 
station 2945), one female. 
Fic. 11. Pontonia californiensis (X 49) This is the only Fontonia described 
ation 2945. 
from the west coast of North America, 
the P. margarita of Smith being a Conchodytes. 


Genus Periclimenes Costa. 
PERICLIMENES TENUIPES (Holmes). 
Anchista tenuipes HOLMES, Occas. Papers Calif. Acad. Sci., VII, 216, 1900. 
Not P. tenuipes Borra- 
daile, which may be 
called P. borradailei, 
nom. nov. 
Distribution.— From San- 
ta Catalina Island, Califor- 
nia (Holmes), to Gulf of 
California. The Albatross 

7 Fic. 12. Pevriclimenes Meneies (x 4). Concepcion Bay. 
collected specimens’ at a. Carapace. 4. Foot of second pair. 
