azotes on North American Crustacea. 241 



larger, and so much crowded, that the carapax appears white, reticulated 

 with red. Length of carapax in a male, 0.93 ; breadth, 0.66 inch. 



Found at Cape St. Lucas by Mr. Xantus. 



HIPPOIDEA. 

 Remipes pacificus. 



Remipes pacijlcus Dana, U. S. Expl. Exped., Crust, i. 407, pi. xxv. f. 7. 



Taken by Mr. Xantus at Cape St. Lucas. It was originally 

 found at the Sandwich Islands. 



Remipes stri^illatus, nov. sp. 



Body much depressed, broad. Front very broad, undulated, with an 

 obtuse projecting point at the middle ; margin entire, smooth. Sides 

 toward the margin obliquely striated, the striated area being very broad, 

 especially posteriorly, where it occupies on each side one-fourth the 

 width of the carapax ; striae sharp, minutely setose, and not interrupted, 

 but extending quite to the margin. Antennulae robust ; last joint of the 

 peduncle nearly as broad as the penult. First pair of feet in the adult 

 short, robust ; terminal joint nearly half as broad as long ; extremity blunt, 

 with short setae, and with two strong, oblique, setose ridges on the extero- 

 inferior side. Length of carapax in a female, 1.0 ; breadth, 0.83 inch. 



Yery different from all known species in its entire front and 

 broad lateral striated areas. 

 Cape St. Lucas. J. Xantus. 



!Lepidops myops, nov. sp. 



Carapax with the same markings on the surface as in L, scutellata, 

 but stronger. Post-frontal transverse groove broad, with granulated 

 surface. Median lobe of front rounded ; margin armed with small teeth 



