Kingsley.] 154 [March 5, 
Genus CHLoropius Leach. 
Chlorodius Fisheri Lockington. 
Chlorodius Fisheri Lockington, l. c. vi1, 104 (1876). Streets and 
Kingsley, J. c., 1X, 106 (1877). 
This species belongs to the second section of the genus character- 
ized by Prof. Dana, in the U.S. Exploring Expedition Crustacea, as 
having the carapax areolate in front, behind smooth or imperfectly 
areolate. Areolet “‘ 2m” not subdivided. Anterior feet unarmed 
above. ‘Third joint of the eight posterior feet not spinulose. 
Carapax moderately areolate in front, obscurely so posteriorly, 
areolets not so prominent as in C. floridanus and exaratus; surface 
slightly rugulose anteriorly, but less so than in C. floridanus. Front 
two lobed, lobes separated by a narrow, acute fissure and with their 
anterior margins truncate, margins sulcate but not so deeply as in C. 
floridanus. Orbits two fissured above, entire below, the inner in- 
ferior angle acute. Antero-lateral margin four-toothed, teeth nearly 
as in C. floridanus. A small tubercle exists between and below the 
angle of the orbit and the first antero-lateral tooth. Carpus and 
hand of chelipeds slightly roughened exteriorly, but not so much so 
asin C. floridanus. Posterior feet compressed, unarmed. 
Gulf of California. W. N. Lockington. 
Length of carapax, ¢, 10 mm., °, 15.4 mm.; breadth, 7, 14 mm., 
?, 22mm.; ratio, dj, 1: 1.40, 9,1: 1.43. 
This species differs from Stimpson’s short description of C. oc- 
cidentalis (Annals N. Y. Lye., x, 108) in the narrower carapax, the 
length being to the breadth in the ratio 1: 1.64, and in the form of 
the front. Stimpson says “the median lobes, or teeth of the front, 
do not project beyond the lateral ones.” From C. floridanus it differs 
in the less protuberant areolets, the truncate frontal lobes, the 
smoother chelipeds, and the less concave sides of the terminal seg- 
ment of the male abdomen. 
Family ERIPHIDAE. Sub-Family OZINZE. 
Genus Pitumnus Leach. 
Pilumnus spinohirsutus Streets and Kingsley. 
Acanthus spinohirsutus Lockington, J. c., Vil, 32 and 102 (1876). 
Pilumnus:spinohirsutus Streets and Kingsley, J. c., 1x, 107 (1877). 
Carapax arcuate, covered with scattered tubercles, which behind 
