Plate X. 



Fig. 29. Cancer gibbosulus (de Haan). 



5 , nat. size. Monterey Bay, Cal. 

 Fig. 30. Cancer jordani Rathbun. 



$ , nat. size. Monterey Bay, Cal. 

 Fig. 31. Cancer antennarius Stimpson. 



Adult S, y^yi. Monterey Bay, Cal. 



