564 BULLETIN 152, UNITED STATES NATIONAL MUSEUM 



EXPLANATION OF PLATES 



Plate 1 



Figure 1. Pseudocorysies sicarius (after Milne Edwards and Lucas), Valparaiso, 

 carapace 55 mm. long, dorsal view. 



2. Same, outer face of chela and carpus. 



3. Same, outer maxilliped. 



4. Gonieza serrata (after Dana), Patagonia, 50 fathoms, carapace about 



2.7 mm. long, dorsal view. 



5. Same, rostrum. 



6. Same, antennal and buccal regions. 



Plate 2 

 Ovalipes ocellatus ocellatus, male (32448), carapace G8 mm. wide, ventral view 



PL.iTE 3 



Figure 1. Ovalipes ocellatus ocellatus, male (32448), carapace 68 mm. wide 

 ventral view showing stridulating ridge on carapace. 

 2. Same, ventral view showing stridulating ridge at base of arm. 



Plate 4 



Figure 1. Ovalipes ocellatus guadulpensis, holotype, female, carapace 36 mm. 

 wide, dorsal view. 

 2. Ovalipes ocellatus guadulpensis, immature female (17959), ventral 

 view. 



Plate 5 



Ovalipes punctatus, male. Type of Platyonichus purpureus in M.C.Z. 



Plate 6 



Ovalipes punctatus, ovigerous female (61020), carapace 91.5 mm. wide, dorsal 



view 



Plate 7 



Figure 1. Ovalipes punctatus, male (61019), width of carapace 108.6 mm., 

 ventral view. 

 2. Ovalipes punctatus, ovigerous female (61020), width of carapace 

 91.5 mm., ventral view. 



Plate 8 



Figure 1. Ovalipes punctatus, male (61019), ventral view showing stridulating 

 ridge on lower margin of chelae, chela 81.4 mm. long. 

 2. Same, first right ambulatory leg showing horny ridge on distal margin 

 of merus. 



Plate 9 



Bathynectes superba 



Figure 1, Male, enlarged, Florida reefs, carapace from behind. After A. 

 Milne Edwards. 



2. Male (11366), width of carapace 55.2 mm., ventral view shov/ing 



chela. 



3. Chela, outer face. After A. Milne Edwards. 



4. Female (18759), width of carapace 65 mm., dorsal view. 



