582 PROCEEDINGS OF THE \\Tl<>\\[. MUSE.VM. voi 38. 



Fa.nil.v XAXTIIID.K. 



Subfamily XANTHIX.K. 

 Genus PLATYXANTHUS A. Milne Edwards. 



PLATYXANTHUS ORBIGNYI I Milne Edwards and Lucas). See pagi 



Ecuador; Peru; Chile. 



PLATYXANTHUS CRENULATUS A. Milne Edwards. See page 540. 



Peru to Patagonia. 



Genus XANTHO Leach. 

 XANTHO GAUDICHAUDII Milne Edwards. See page . r >40. 



Ecuador to Patagonia; Juan Fernandez. 



XANTHO CRENATUS Milne Edwards. 



Hist. Nat. Crust., vol. 1, 1834, p. 396. Peru (Milne Edwards); 

 Payta (Cano). 



Genus LEPTODIUS A. Milne Edwards. 



LEPTODIUS OCCIDENTALS I Stimpson). 



Ohlorodius occidentalis Stimpson, Ann. Lye. Nat. Hist. X. Y., 

 vol. 10, 1871, p. 108. Lower California to Panama: Gala- 



pagos Islands. 



LEPTODIUS COOKSONI Miers. 



Proc. Zool. Soc. London, is 77, p. 73, pi. L2,figs. l-ld. Galapagos 

 [slands. 



LEPTODIUS SNODGRASSI Rathbun. 



Proc. Wash. Acad. Sci., vol. 4, 1902, p. 279, pi. 13, figs. 7 and 8. 

 ( ralapagos Islands. 



LEPTODIUS SPINOSO-GRANULATUS Lenz. 



Zool. Jahrb., Suppl. vol. 5, 1902, p. 762, pi. 23, figs. 8, 8a. Juan 

 Fernandez. 



LEPTODIUS TRIDENTATUS Lenz. 



Zool. Jahrb., Suppl. vol. 5, 1 902, p. 7iil , pi. '2'.l, i\^>. 7, 7<i. Puerto 

 Corral, Chile; Juan Fernandez. 



Genvis XANTHODIUS Stimpson. 



XANTHODIUS STERNBERGHII Stimpson. 



Ann. Lyc. Nat. Hist. N. Y.. vol. 7, 1859, p. 52. Lower Cali- 

 fornia to Ecuador. 



XANTHODIUS LOBATUS (A. Milne Edwards). 



Leptodius lobatus A. Milne Edwards, Crust. Reg. Mex., 1880, 

 l>. 271, pi. l'.». Ii.u r . I. Clarion [sland, Mexico; Galapagos 

 [slands; Chile. 



Genus HOMALASPIS A. Milne Edwards. 

 HOMALASPIS PLANA i Milne Edwards). 



Xantho i>hnnts Milne Edwards, Hist. Nat. Crust., vol. 1, 1834, 

 l>. 397. From Callao, Pern, to Straits of Magellan. 



