NO. 2182. NEW SPECIES OF CRETACEOUS CRABS— RATHBUN. 391 



EXPLANATION OF PLATES. 



(Figures enlarged nearly IJ times.) 



Plate 32. 



Dakoticancer overana. 



Fig. 1. Holotype, male, ventral view. 



2. Holotype, male, dorsal view. 



3. Holotype, male, posterior view, showing bases of hind legs and genital ducts. 



4. Paratype b, male, anterior view, showing eyes. 



5. Paratype a, dorsal view, showing part of posterior margin of carapace. 



6. Paratype I, ventral view, showing sternum of female. 



7. Paratype h, dorsal view, to show outline of front. 



8. Paratype d, ventral view, showing genital ducts of female. 



9. Paratype c, ventral view, showing abdomen of female. 



10. Paratype e, ventral view, showing abdomen of male. 



11. Paratype b, ventral view, showing portion of maxillipeds. 



Plate 33. 



Figs. 1-3. Homolopsis punctata, holotype. 1. Anterior view. 2. Dorsal view. 3. 

 Right side, in profile. 

 4-5. Campylostoma pierrense. 4. Holotype, dorsal view. 5. Paratype, dorsal 



view. 

 6-14. Dakoticancer overana. 

 Fig. 6. Paratype/, manua. 



7. Paratype/, cheliped (merua, carpus, manus). 



8. Paratype h, left side of carapace, in profile. 



9. Paratype d, right side, in profile. 



10. Paratype c, right side, in profile. 



11. Paratype g, carpus of cheliped. 



12. Paratype g, manus. 



13. Paratype h, extremities of two ambulatory legs. 



14. Paratype j, cheliped (merus and impressions of fingers). 



