598 BULLETIN 129, UNITED STATES NATIONAL MUSEUM 



Plate 280 



Fig. 1. Mesorhoea bellii, Mexico, carapace 13 mm. long, anterior part, ventral 

 view. (The palps of the maxillipeds should not show.) 



2. Same, chela and carpus. 



3. Same, carapace in profile. 



4. Same, entire animal, dorsal view. 



Figures 1 to 4, after A. Milne Edwards. 



5. Thyrolambrus astroides, female, Andaman Sea, carapace about 18 mm. 



long, anterior part, ventral view. 



6. Same, entire animal, dorsal view. 



Figures 5 and 6, after Alcock. 



Plate 281 



After Rathbun 



Fig. 1. Leiolambrus nitidus, male (23776), carapace 6.4 mm. long, dorsal view. 

 2. Thyrolambrus erosus, female (21577), carapace 18.4 mm. long, dorsal 

 view. 



Plate 282 



After A. Milne Edwards 



Fig. 1. Heterocrypta granulata, Charleston, carapace 8.3 mm. long, male abdo- 

 men. 



2. Same species and localitj^, anterior part, ventral view. 



3. Same, entire animal, dorsal view. 



4. Heterocrypta macrobrachia, Panama, carapace 10.8 mm. long, entire 



animal, dorsal view. 



5. Same, anterior part, ventral view. 



6. Crypiopodia concava, male, Florida, carapace 8.7 mm. long, dorsal view. 



7. Same, ventral view. 



8. Same, outer maxilliped. 



9. Crypiopodia concava, female, Florida, carapace 10 mm. long, dorsal view. 



10. Same, chela, outer view. 



11. Same, entire animal, ventral view. 



Plate 283 



Halicarcinus planatus 



Figs. 1-7. Specimen from Falkland Islands, carapace 7 mm. long. After Stab- 

 bing. 



1. Rostrum. 



2. Mandible. 



3. Second maxilla. 



4. First maxilliped. 



5. Second maxilliped. 



6. Third maxilliped. 



7. Dactylus of an ambulatory leg, and end of same still more en- 



larged. 

 8. Abdomen of male (18209) X5. 



