240 BULLETIN 54, UNITED STATES NATIONAL MUSEUM. 



MEINERTIA DEPLANATA (Bovallius). 



Ceratothoa deplanata BOVALLIUS, Bihang till K. Sv. Vet.-Akad. Handl., X, No. 

 11, 1885, pp. 20-22. 



Locality. Coast of Haiti, West Indies. 



"The form of the body is elongate, the anterior and posterior ends 

 are only a little narrower than the middle, the anterior part is not 

 very convex; from the fourth segment of the pereion to the end of 

 the urus the body is quite flattened. The surface is smooth, without 

 spots. 



"The head is broad, triangular, with broadly rounded front, the 

 sides rounded, not emarginate. The upper side is smooth, convex. 

 The eyes are mediocre, rhomboidal, surrounded by dark diffuse spots. 



FIG. 246. MEINERTIA DEPLANATA (AFTER BOVALLIUS). a, FIRST LEG. b, LATERAL VIEW OF FEMALE. 

 c, UROPOD. d, SEVENTH LEG. e, DORSAL VIEW OF FEMALE. /. HEAD WITH BOTH ANTENNA. 



(ENLARGED.) 



"The first pair of antennae are nearly as long as the second, thick, 

 not compressed, seven-jointed; they reach quite to the anterior mar- 

 gin of the first pereional segment. The first joint is the longest; it is 

 as long as the two following together. The three last ones are small, 

 tapering. 



"The second pair of antennae are but a little more slender than the 

 first pair, eight- jointed; the first joint the longest; the four last ones 

 small, tapering; the last very minute. 



"The pereion is smooth, the sides feebly rounded. The processes 

 of the first segment are very broad, short, bent downward; the first 

 segment is shorter than the fifth, but as long as the second. The sixth 



