592 PROCEEDINGS OF THE \ l'//o\ \L MUSEUM. vol.38. 



Genus UCA Leach. 



UCA PRINCEPS (Smith). See page 550. 



San Bartolome Bay, Lower California, to Peru. 



UCA STYLIFERA (Milne Edwards). 



Gelasimus platydactylus Milne Edwards, Regne Anim. Cuvier, 

 disciples ed., Crust., pi. 1<S, fig. la (not Milne Edwards, 

 18.37). — Gelasimus si ijl [ferns Milne Edwards, Ann. Sci. 

 Nat. (3), Zool., vol. 18, 1852, p. 145 [109], pi. 3, fig. 3. Sal- 

 vador to Guayaquil, Ecuador. 



UCA INSIGNIS (Milne Edwards). See page 551. 



Salvador to Chile. 



UCA BREVIFRONS (Stimpson). 



Gelasimus hrevifrons Stimpson, Ann. Lye. Nat. Hist. N. Y., 

 vol. 7, 1860, p. 22'.). Pea hrevifrons Holmes, Proc. Cal. 

 Acad. Sci. (3), vol. 3, 1904, p. 308, pi. 35, figs. 1-5. Lower 

 California to Panama. 



UCA GALAPAGENSIS Rathbun. See pap; 551. 



( ralapagOS Islands; Peru. 



UCA MACRODACTYLUS (Milne Edwards and Lucas). 



Gelasimus macrodactylus Milne Edwards and Lucas, d'Or- 

 bigny's Voy. Amer. Mer., vol. 0, 1843, p. 27; vol. 9, atlas, 

 is 17. pi. 11, fig. 3. Guaymas, Mexico, to Valparaiso, Chile. 



UCA PANAMENSIS (Stimpson). 



Gelasimus panamensis Stimpson, Ann. Lye. Nat. Hist. N. Y., 

 vol. 7. L859, p. 63.— Smith. Trans. Conn. Acad. Sci.. vol. 2, 

 1870, p. 130, pi. 4, fig. 5. Gulf of Fonseca, Central America, 



to l',i\ in. Peru. 



UCA HELLERI Rathbun. 



Proc. Wash. Acad. Sci., vol. 4, 1902, |>. 277, pi. 12. Qgs. 3 and 4. 



Galapagos Islands. 



UCA STENODACTYLUS (Milne Edwards and Lucas). 



Gehisimiis stenofhiefijhis Mii.nk Edwards and LUCAS, d'Orbigny's 

 Voy. Amer. Mer., vol. 6, 1843, p. 26; vol. 9, atlas. IS 17, 



pi. 11. fig. 2. Gulf of Fonseca, Salvador, to Valparaiso, 

 Chile. 



UCA FESTjE Nobili. 



Boll. Mus. Zool. Anat. comp. R. Univ. Torino, vol. 1(i, no. 415, 

 L901, p. 51. Ecuador. 



UCA LATIMANUS (Rathbun). 



Gelasimus Iqfimanus Rathbi n, Proc. U. S. Nat. Mus., vol. 16, 

 L893, p. 245. La. Paz. Mexico, to Ecuador. 



