DECAPODS 185 



Genus Xanthias Rathbun. 

 XANTHIAS TAYLORI (Stimpson). 



Distribution.— Monttrey, California, to Magdalena Bay, Lower Cali- 

 fornia. Beach to 55 fathoms. 



Size.— Vnnm&Wy large individuals have been collected at Pacific 

 Grove, California, by John C. Brown. An egg-laden female measures 

 24.6 mm. long on the median line of the carapace, and 42 mm. wide. 



XANTHIAS LATIMANUS (Lockington). 

 Distribution.— S^n Diego, California (Lockington). 

 Species not seen since Lockington's record. 



Genus Pilumnus Leach. 



PILUMNUS SPINOHIRSUTUS Lockington. 



Plate VII, fig. 2. 



Distribution.— SsLXi Diego, California, and Gulf of California; 10-22 

 fathoms. Bay of St. Elena, Ecuador (Nobili). 



Genus Heteractaea Lockington. 

 HETERACT^A LUNATA (Milne Edwards and Lucas). 



Pilumnus lunatus Milne Edwards and Lucas, D'Orbigny's Voy. I'Amer 



Merid., Crust., 20, 1843, P^- ix, fig. 2, 1847. 

 Heteractaa lunata Kingsley, Proc. Acad. Nat. Sci. Phila., 1879,396 (1880). 

 Distribution. — ^zxi Diego, California (Faxon) to Chile. 



Family PINNOTHERID^. 

 Genus Pinnotheres Latreille. 

 PINNOTHERES^NUDUS Holmes. 

 Distribution.— M.onXQrey and Santa Cruz, California. 



PINNOTHERES PUGETTENSIS Holmes. 

 Distribution.— Vngti Sound, in branchial cavity of a Halocynthia. 



Genus Raphonotus Rathbun 

 (= FABIA Dana). 

 Raphonotus ^KlYi^V^, Proc. Biol. Soc. Washington, xi, 166, 1897. 



