126 BULLETIN 138, UNITED STATES NATIONAL MUSEUM 



Superfamily HIPPIDEA de Haan 



Family ALBUNEIDAE Ortmann (ALBUNIDAE Stimpson) 



First pair of legs subchelate; second to fourth legs with last joint 

 curved and flattened. Carapace flattened, without wings to cover 

 the legs. Third maxillipeds narrow, with exopodites. Abdomen 

 bent under thorax; tail-fan not adapted for swimming. 



Genus BLEPHARIPODA Randall 



Blepharipoda Randall, Journ. Acad. Nat. Sci. Philadelphia, vol. 8, 1839 

 (1840), p. 130; type, B. occidentaUs Randall. 



Eye peduncles very slender, elongated, cylindrical, and articulated 

 in the middle. Antennae with an acicle. Third maxillipeds with 

 third or merus joint narrow and similar to the fourth, or carpus, 

 which is not produced at its antero-external angle. 



Oligocene; Recent. 



BLEPHARIPODA BRUCEI,^ new species 



Plate 28, figs. 10 and 11 



Description. — Similar color and ornamentation of the four frag- 

 ments indicate a single species. The palm has a margin peculiar to 

 BleplMvipoda occidentaUs ^* a hitherto unique species of its genus 

 which inhabits the waters of the west coast of America from San 

 Francisco to Lower California. 



The palm (holotype) shows the outer surface, lacking the upper 

 portion and the proximal end, and a narrow strip of the inner sur- 

 face above the lower margin (pi. 28, fig. 11). The horizontal dis- 

 tance from the interdigital sinus to the fracture is 6.7 mm. The 

 palm is thick, proximal cross-section oval. Surface granulate, gran- 

 ules mostly combined by twos or threes or even fours. Lower 

 margin subacute, interrupted a little distad of the middle by a stout 

 spine of which only the base remains. The hand appears to reach 

 its greatest height at the spine; behind the spine the margin is 

 slightly convex, in front of it concave; the margin is accented by 

 a line of fine granulation, the granules mostly alternating in two 

 crowded rows. Immediately above there is a narrow, smooth strip. 

 On the inner surface there is an irregular row of seven granules close 

 to the margin, on the remaining surface visible the granules are 

 less crowded than on the outer surface. 



The merus or arm is 8 mm. long, 4.2 mm. wide at the middle, distal 

 lower corner not visible (pi. 28, fig. 10). Near the distal upper corner 



*' For Prof. Bruce L. Clark of the University of California through whom much of 

 the material used in this paper was loaned to the author. 



" Randall, Journ. Acad. Nat. Sci. Philadelphia, vol. 8, 1839, p. 131, pi. 6. 



