JOURNAL OF ENTOMOLOGY AND ZOOLOGY 185 
with bi-unguiculate dactyli. First leg has toothed propodus for 
half the proximal distance. 
Abdomen composed of one large segment, possibly a very 
small anterior one though the suture was not distinct enough to 
make this certain. Telson is produced at post-lateral angles into 
a short, sharp point. Median part forms a rounded lobe. 
Uropoda composed of a peduncle about three times as long as 
inner ramus. Outer ramus slightly shorter than inner ramus. 
Figure 8. Pentidotea aculeata n. sp. 
Pentidotea aculeata n. sp. 
(Figs. 8, 9 and 10) 
Locality—Low tide pools, Laguna Beach, California. 
Color—Reddish brown in the male; female a more delicate 
pink with white spots along median line of back and two similar 
