

M A I I D E A. -L35 



Sandwich Islands, Oahu or Maui. 



^ Length of carapax, seven and one-half lines ; greatest breadth, six 

 lines; length of beak, hardly one line; part of carapax posterior to 

 cardiac tubercle, about half as long as the part anterior. 



In the outline of the carapax, there is a slight excavation marking 

 the limit of the orbit ; and the breadth of the beak at base is not over 

 one-third the distance across in the line of the eyes. The large pos- 

 terior lateral tooth or spine has anterior to it a slight swelling 

 of the margin. In a lateral view of the head, the height in the 

 line of the eyes is much longer than the beak. The beak in this 

 view is slightly emarginate at apex. 



LeUCIPPA LiEVIS. 



Carapax subtriangidatm, Icevis, regione rnediand parce tumidd, rostro 

 elongate, furcato, comuhus triangulatis et triangidate sejunctis, acutis; 

 marginibus earapacis lateralibus pertenuibus, paido expansis et sub- 

 reflexis, i-dentatis (aut a?igulate s undulatis), dentlbus inasquis, dente 

 posteriore postice arcuato; margine later all in superficiem regionis pos- 

 ter o-later alls producto. Regio pterygostomiana o-dentata [aid instrueta 

 uno dente in sinu grandi insito). Pedes nudi, articulo 3tio cristato. 



Carapax subtriangular smooth, median region sparingly tumid ; beak 

 elongate, furcate, horns triangular, acute, and with a triangular 

 interval ; lateral margins of carapax very thin, and a little reflexed, 

 four-toothed or angulately undulate, the teeth unequal, posterior 

 tooth arcuate behind, and produced upon the postero-lateral surface 

 of the carapax. Pterygostomian region three-toothed, or having a 

 single tooth situated in a large depression. Feet naked, third 

 joint cristate, 



Plate 6, fig. 5 a, male, enlarged two diameters; b, under view; c, 

 part of anterior legs, 



From Kio Janeiro. 



Length, four and a half lines; greatest breadth, three and a half 

 lines. 





