190 Bulletin, VanderMlt Marine Museum, Vol. II 



margin ; the propodus and dactyl are both enlarged, laminate, together 

 forming an oar-blade-like expansion. 



Synonymy. — Cancer 4, Patrick Browne, Nat. and Civil Hist, of 



Jamaica, p. 421, pi. 41, fig. 2, 1756. 

 Cancer forceps Fabricius, Entom. Syst. auct. et emend., II, p. 449, 



1793. 

 Portunus forceps Herbst, Naturgh. Krabben und Krebse, pi. LV, fig. 



4, 1794.— Latreille, Encycl. Meth., t. X, p. 190, 1812-25. 



Lupa forceps Leach, Zool. Misc., vol. I, p. 123, pi. 54, 1814. — Desma- 

 REST, Consid. sur les Crust., p. 99, 1825. — Latreille, Regne ani- 

 mal, 2ed., t. IV, p. 34, 1825. — H. Milne Edwards, Hist. Nat. 

 Crust., t. I, p. 456, 1834. — A. Milne Edwards, Ann. Sci. Nat. 

 Zool., 4e serie, t. XIV, p. 214, 1861. — Archiv. du Museum, t. X, 

 p. 351, pi. 1, fig. 1, 1858 ; Miss. Sci. au Mex., p. 208, 1880. 



Lupella forceps Rathbun, Ann. Inst. Jamaica, vol. 1, No. 1, p. 22, 

 1897; Bull. U. S. Fish. Comm., vol. 20, pt. 2, p. 50, 1901. 



Subfamily : Podophthalminae. 



Genus: EUPHYLAX Stimpson. 

 Euphylax dovii Stimpson. 



Plate 65. 



Name : This crab was named in honor of its collector. Captain Dow, 

 who secured many new and rare animals from the "West Coast of 

 America. It is also known as the "periscope-eyed crab." 



Diagnostic characters : There are but two species so far described 

 in this genus. Both are confined to the "West American coast from 

 the Gulf of Lower California southward to the Perlas Islands. E., 

 dovii, the genotype, is readily distinguished in the field by its mag- 

 nificent amethystine and coral red coloration. E. rohustus* is said to 

 have the carapace green, the legs green, tinted with yellow and yellow- 

 ish-red. E. dovii has five teeth, counting the orbital tooth, on the 

 anterolateral margin ; all of these are mere denticles, except the orbital 

 tooth ; E. rohustus has only four anterolateral teeth, of which only the 



♦Footnote. — Euphylax roiustus A. Milne Edwards, L€s fonds de la mer, t. 

 II, p. 249, 1874 ; Miss. Sci. Mexico et dans I'Amerique Centrale, t. V, p. 205, pi. 

 37, 1881. 



