EXPLANATION OF PLATES. 



Plate 1. 



Trizocarcinus dentatus, male holotype, XIJ. 



Fig. 1. Antero-ventral view. 



2. Dorsal view. 



3. Posterior view. 



Plate 2. 



Batliyplax typhla, Xl§. 



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Fig. 1. Male (9724), ventral view, to show maxilliped and abdomen, 



2. Female (9729). dorsal view. 



3. Slale (9724). ventral view, to show chelae. 



Plate 3. 

 Pilumnoplax data, X3. 



Fig. 1. Male (11407), dorsal view, with 2 detached legs. 



2. Male (11407), ventral view, and right cheliped detached. 



3. Female (19880), dorsal view. 



Plate 4. 



Fig. 1. Qoneplaw haiMta, male (4116, M.C.Z.), dorsal view, X3f. 



2. Goneplax sigsbei, female (4117, M.C.Z.), dorsal view, X3§. 



3. Goneplax barbata, male (4116, M.C.Z.), ventral view, X3§. 



4. Goneplax sigsbei, female (4117, M.C.Z.). ventral view, XSf. 



Plate 5. 

 Goneplax barbata, male (46309), X4. 



Fig. 1. Anterior view. 



2. Dorsal view. 



3. Posterior view. 



4. Ventral view. 



Plate 6. 



Fig. 1. Prionoplax atlantica, male (15272), anterior view, X3. 



2. Same, dorsal view, with one leg and part of right cheliped detached, X3. 



3. Tetraplax quadrideutata, male (24564), dorsal view, X3. 



4. Same, ventral view, X3. 



Plate 7. 

 Euryplax nitida, male (45824), X about 3. 



Fig. 1. Anterior view. 



2. Dorsal view. 



3. Ventral view. 



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