580 BULLETIN 152, UNITED STATES NATIONAL MUSEUM 



Xanthodius stimpsoni, Cape San Lucas, male enlarged. After A. Milne Edwards 

 Figure 5. Outer maxilliped. 



6. Antennal region. 



7. Dorsal view. 



Plate 144 



Figure 1. Xanthodius siernberghii, male (48802), carapace 34 mm. wide, ventral 

 view showing chelae. 

 2. Same, dorsal view. 



Plate 145 



FiGuuE 1. Xanthodius denticulaius, male (25719), carapace 30.4 mm. wide, 

 ventral view showing abdomen. 

 2. Xanthodius siernberghii, male (48802), carapace 34 mm. wide, ventral 

 view showing abdomen. 



Plate 146 



Figure 1. Xanthodius denticulatus, male (25719), carapace 30.4 mm. wide, 

 front view. 



2. Same, ventral view showing chelae. 



3. Same, dorsal view. 



Plate 147 



Figure 1. Xanthodius hebes, male (50485), carapace 31 mm. wide, ventral view 

 showing chelae. 



2. Same, dorsal view. Major fixed finger abnormally short. 



3. Same, ventral view showing abdomen. 



Plate 148 



Figure 1. Metopocarcinus truncaius, female (60629), carapace 4 mm. wide,, 

 ventral view. 



2. Same, dorsal view. The lower part of the carapace has separated 



from the upper part and is visible outside the postero-lateral 

 margins. 



3. Lophoxanthus lamellipes, male (50968), carapace 22.6 mm. wide,. 



ventral view. 



4. Same, dorsal view. 



Plate 149 



Figure 1. Lophopanopeus heaihii, male (54014), carapace 21 mm. wide, front 

 view. 



2. Same, ventral view showing chelae. 



3. Lophopanopeus heathii, male, Monterey Bay, dorsal view. 



4. Lophopanopeus heathii, female (22870), Monterey Bay, carapace 17 



mm. wide, dorsal view. 



5. Lophopanopeus heathii, male (54014), carapace 21 mm. wide, ventral 



view showing abdomen. 



Plate 150 



Figure 1. Lophopanopeus hellus, male cotype, dorsal view. After Stimpson. 



2. Lophopanopeus bellus, male (14970), carapace 26 mm. wide, dorsal 



view. After Schmitt. 



3. Lophopanopeus bellus, variet}', male (31542), carapace 16 mm. wide^ 



dorsal view. 



