596 BULLETIN 129'^ UNITED STATES NATIONAL MUSEUM 



Plate 270 



After Rathbun 



Fig. 1. Microphrys branchialis, male (21576), total length of carapace 15.3 mm., 

 dorsal view. 

 2. Macrocoeloma camptocerum, male (15141), total length of carapace 35 

 mm., dorsal view. 



Plate 271 



Fig. 1. Microphrys aculeatus, female, Galapagos, carapace about 20 mm. long, 

 dorsal view. After Bell. 



2. Microphrys weddelli, female, carapace about 34 mm. long, posterior view. 



3. Same, anterior part, ventral view. 



4. Same, entire animal, dorsal view. 



5. Same, outer maxilliped. 



Figures 2 to 5, after A. Milne Edwards. 



6. Microphrys weddelli, male type, ventral view of body. 



7. Same, dorsal view of entire animal. 



Figures 6 and 7, after H. Milne Edwards. 



Plate 272 . 



Tyche emarginata, female, Guadeloupe, carapace about 25 mm. long. After 



Desbonne and Schramm 

 Fig. 1. Dorsal view. 

 2. Ventral view. 



Plate 273 



Fig. 1. Tyche lamellifrons, male, Panama, carapace about 18 mm. long, anterior 

 part, ventral view. 



2. Same, entire animal, dorsal view. 



3. Same, antennule. 



4. Same, outer maxilliped. 



5. Same, abdomen. 



6. Same, cheliped. 



Figures 1 to 6, after Bell. 



7. Tyche emarginata, female, Guadeloupe, total length of carapace 35 mm., 



ventral view. 



8. Same, outer maxilliped. 



9. Same, carapace in profile. 



10. Same, anterior part, ventral view. 



11. Same, dorsal view of entire animal. 



12. Same, chela. 



Figures 7 to 12, after A. Milne Edwards. 



Plate 274 



After Bell 



Fig. 1. Dasygyius gibbosus, male holotype, Galapagos, carapace, 15.2 mm. long, 

 abdomen. 



2. Same, cheliped. 



3. Same, antenna. 



4. Dorsal view of entire animal. 



5. Dasygyius depressus, female holotype, Galapagos, carapace 15.2 mm., 



long, abdomen. 



6. Anterior portion, ventral view. 



7. Cheliped. 



8. Dorsal view of entire animal. 



