588 BULLETIN 152, UNITED STATES NATIONAL MUSEUM 



Plate 195 



FiGtJRE 1. Menip-pe frontalis, male (60758), carapace 111.5 mm. wide, ventral 

 view to show tubercles on orbital and antero-lateral regions. 

 2. Same, ventral view showing abdomen. 



Plate 196 



Menippe frontalis, male (60758), carapace 111.5 mm. wide, dorsal view 



Plate 197 



Figure 1. Menippe obtusa, male (17301), carapace 52 mm. wide, front view. 

 2. Same, dorsal view. 



Plate 198 



Figure 1. Menippe obtusa, type female, minor chela showing striae on inner sur- 

 face, propodus 26 mm. long. 



2. Menippe obtusa, male (17301), major chela, showing striae on inner 



surface of palm, propodus 46.4 mm. long. 



3. Menippe nodifrons, male (59309), carapace 71.7 mm. wide, outer view 



of chelae. 



Plate 199 



Menippe nodifrons, male (59309), carapace 71.7 mm. wide, dorsal view 



Plate 200 



Figure 1. Pilumnus sayi, male (53718), carapace 29.5 mm. wide, ventral view. 



2. Same, dorsal view. 



3. Pilumnus caribaeus, male (31082), carapace 13 mm. wide, ventral 



view to show chelae. 



4. Pilumnus caribaeus, female (31082), carapace 18 mm. wide, dorsal 



view. 



5. Pilumnus dasypodus, male (50535), carapace 15 mm. wide, ventral 



view. 



6. Same, dorsal view. 



7. Pilumnus spinosissimus , female (22268), carapace 15 mm. wide, ven- 



tral view to show chelae. 



8. Same, dorsal view. 



Plate 201 



Pilumnus xanlusii, Cape San Lucas, male, enlarged. After A. Milne Edwards 



Figure 1. Dorsal view. 



2. Fronto-orbital region, anterior view. 



3. Chela, outer side. 



Pilumnus sayi, Antilles, enlarged. After A. Milne Edwards 



4. Dorsal view of male. 



5. Antennal and buccal regions. 



6. Right chela, outer side. 



7. Hepatic region of female with an unusual number of dorsal spines. 



Pilumnus gracilipes, Antilles, female, enlarged. After A. Milne Edwards 



8. Dorsal view, chelipeds lacking, 



9. Antennal and buccal regions. 



