1 8 TRUE CRABS OF MONTEREY BAY 



Subtribe Oxystomata, 



Family DORIPPID^. 



Genus CLYTHROCERUS A. Milne Edwards & Bouvier. 



Clythrocerus A. Milne Edwards & Bouvier, Bull. Mus. Hist. Nat. Paris, v, 387, 1899 

 (Type — Clythrocerus nitida A. Milne Edwards). 



Clythrocerus planus (Rathbun). 



Cyclodorippe plana Rathbun, Amer. Nat., xxxiv, 519, 1900. 

 Clythrocerus planus Rathbun, H. A. E., x, 168, 1904. 



"Catalina and possibly Monterey. . . .under 50 fathoms " (Rathbun). 

 In the American Naturalist the footnote giving the type locality is erron- 

 eously attached to C. nitida A. Milne Edwards, an Atlantic form. I have 

 seen no specimen of this species. 



Family LEUCOSIID^. 

 Genus RANDALLIA Stimpson. 



Randallia Stimpson, Proc. Bost. Soc. Nat. Hist., vi, 85, 1857 ; Journ. Bost. Soc. Nat. 

 Hist., vi, 471, 1857 (Type — Randallia ornata (Stimpson)). 



Key to species. 

 a. Carapace of adult nearly smooth, young with unequal smooth tubercles, 

 size large. R. ornata 



aa. Carapace of adult covered with nearly equal minutely spinous tuber- 

 cles, size small. R. biilligera 



Randallia ornata (Randall). 

 Plate I, fig. 3. 



Ilia ornata Randall, Journ. Acad. Nat. Sci. Phila., viii, 129, 1839. 

 Randallia ornata Holmes, Occas. Papers Calif. Acad. Sci., vii, 100, 1900, and 

 synonymy. — Rathbun, H. A. E., x, 170, 1904. 



Represented in the collection by a few adults brought in by Chinese 



fisherman, and several immature specimens about 10 mm. long. 



