496 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Elasmopus atolgidus, new species: 1 female (see diagnosis for 

 special features). 



Elasmopus hesnardi Oliveira (1951) : a female (perhaps a synonym 

 of E. brasiliensis (Dana)). 



Elasmopus brasiliensis (Dana): Oliveira's (1951) reference and 

 figures of this species are those of E. pectenicrus (see discussion in 

 text). 



Figure 9. — Synopia variabilis Spandl, male, 3.8 mm., Abbott sta. 194-E-2: a, lateral 

 view; c, upper lip; d, e, mandibles;/, complex of first maxillae and lower lip; g, h, 

 plates of maxilla 1; i, inner plate of maxilliped; ;', /, maxilliped, lateral views; m,o, 

 gnathopods 1, 2; p, g, pereopods 1, 2; r-1, uropods 1, 2, 3: u, telson; female, 2.7 mm.: b, 

 antenna 1; k, maxilliped; n, end of gnathopod 1. 



Elasmopus caprai Maccagno (1936) : no figures (drawings of male 

 gnathopod 2 needed). 



In addition, the following notes must be considered: 



Elasmopus delaplatus Stebbing (1888) is cited twice in couplets 

 17 and 28 because of uncertainty about the defining palmar process on 

 male gnathopod 2. 



