Paulocaris pachecoi 



Fig. I A portion of an abdomen which is provisionally referred to 

 this species. This specimen indicates four segments and the terminal 

 joints on each, x 5 



Fig. 2 A portion of an appendage showing the terminal joint. . x 2 



Fig. 3 A single abdominal segment in which the terminal joints, 

 if present, are apparently concealed, x 2 



Figs. 4, 5 Triangular plates which are probably terminal joints 

 of the abdominal segments, x 3 



Fig. 6 A fragment of rock showing the stiffened and convex 

 nuchal edges of the carapace, x 2 



Fig. 7 A similar specimen, x i 



These seem to indicate that in the maceration of the carapace this 

 heavy and stiffened ring became detached. 



Fig. 8 Two carapaces apparently in casual juxtaposition, with 

 remains of a long antenna preserved, x 2 



Gampsonyx brazilicus 



Figs. 9, 10 Both of these segments are from drill cores and show 



parts of the abdomen, postabdomen and telson. Both are enlarged 



2 diameters. 



142 



