THE CANCROID CRABS OF AMERICA 577 



Plate 119 



Platyxanthus crenulatus, male (57124), carapace 72 mm. wide, ventral view 



showing abdomen 



Plate 120 



Platyxanthus cokeri, type male, carapace 88.3 mm. wide, ventral view 



Plate 121 



Platyxanthus cokeri, type male, carapace 88.3 mm. wide, ventral view showing 



chelae 



Plate 122 



Platyxanthus cokeri, type male, carapace 88.3 mm. wide, dorsal view 



Plate 123 



After A. Milne Edwards 



Platyxanthus patagonicus, Patagonia, type male, 100 mm. wide 



FiGUKE 1. Dorsal view. 



2. Antennal and buccal regions. 



3. Left chela, outer side. 



Plate 124 



Platyxanthus patagonicus, male, Puerto Piramides (9185a, B. A. Mus.), carapace 

 91 mm. wide, dorsal view 



Plate 125 



Platyxanthus patagonicus 



Figure 1. Ovigerous female, Mar del Plata (12908, B. A. Mus.), carapace 91 

 mm. wide, dorsal view. 

 2. Male, 37° 50' S., 56° W. (17635, B. A. Mus.), carapace 97 mm. wide, 

 ventral view. 



Plate 126 



Figure 1. Gaudichaudia gaudichaudii, female (21993), carapace 37 mm. wide, 

 ventral view showing chelae. 

 2. Same, dorsal view. 



Plate 127 



Figure 1. Gaudichaudia gaudichaudii, dorsal view. After Milne Edwards and 

 Lucas. 

 2. Gaudichaudia gaudichaudii, male (21993), carapace 32.7 mm. wide, 

 ventral view showing abdomen. 



Plate 128 



Homalaspis plana, female (46340), carapace 145 mm. wide, dorsal view. Original 

 painted the natural colors 



Plate 129 



Homalaspis plana, male (60883), carapace 76 mm. wide, ventral view showing 



chelae 

 79856—30 38 



