SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 93 



2. Inner uropods wider, either (a) about twice as long as wide or (b) 

 not much longer than wide. 



a. Inner uropods about twice as long as greatest width ; rostrum a 



conical acuminate spine. 



i. Merus of larger cheliped armed with a toothlike process near 

 proximal end of ventral border ; upper border of carpus about 

 as long or longer than upper border of palm, .jamaiccnsc, n. sp. 



ii. Merus unarmed below ; upper border of carpus not exceeding 

 three-fourths the length of upper palmar border (Puerto Rico 

 and Barbados) inarginafa Rathbun." 



b. Inner uropods not much longer than wide ; rostrum low, triangu- 



lar, subacute, or rounded ofif. 

 i. Merus of larger cheliped armed with a strong tooth near proxi- 

 mal end of lower border ; upper border of carpus three-fourths 

 or more the length of the upper palmar border (Massachusetts 



to North Carolina) atlantica Rathbun.' 



ii. Merus inconspicuousl}^ serrate or denticulate, but without strong 

 tooth below ; carpus from a half to two-thirds as long as upper 

 border of palm (Brazil, Bermuda, Puerto Rico, Barbados, and 



the Dry Tortugas, Florida) branncri Rathbun.^ 



B. Frontal margin trispinose. 



1. Both chelae armed with three strong spines above; upper border of 



carpus three-fourths the length of the palmar border ; carpus 

 strongly spined on lower border, merus spined above and below 

 (Florida, Jamaica, Barbados) acanthochinis Stimpson." 



2. Chelae not armed with strong spines above. 



a. Eyestalks flattened, cornea on dorsal surface ; merus of larger cheli- 



ped multidenticulate below, of minor cheliped unarmed ; upper 

 border of carpus of larger cheliped less than half the length of 

 the upper palmar border rathbunae, n. sp. 



b. Eyestalks subcylindrical, cornea terminal or nearly so. 



i. Merus of large cheliped with more than five spines on ventral 

 border, of minor cheliped unarmed; upper border of major 

 carpus less than half as long as upper palmar border (Mar- 

 tinique and Jamaica) longiveiitris A. M.-Edw." 



ii. Merus of large cheliped with four or less spines below, of minor 

 cheliped with one or two ; upper border of major carpus more 

 than half the length of the upper palmar border (Jamaica). 



hartmeyeri, new name." 



•^ Bull. U. S. Fish Comm. for 1900, p. 92, fig. I5a-d, 1901. 



' U. S. Nat. Mus. Bull. 138, p. 107, footnote, 1926; C. stimpsoni Smith, Rep. 

 U. S. Fish Comm. for 187, p. 549, pi. 2, fig. 8, 1873 ; de Man, Capita Zoologica, 

 vol. 2, pt. 6, p. 37, pi. 9, figs. 17, I7d, 1928. 



* Proc. Washington Acad. Sci., vol. 2, p. 150, pi. 8, figs. 5-8, 1900. 



^ Glyptiiriis a., Ann. Lyceum Nat. Hist. New York, vol. 10, nos. 4, 5, p. 121, 

 1871. 



^° Nouv. Arch. Mus. Mem., vol. 6, p. 92, 1870. De Man, Capita Zoologica, 

 vol. 2, pt. 6, p. 24, pi. 6, figs. 12, i2h, 1928. 



^ Glyptiirus grandimanus Balss, Zool. Anz., vol. 61, p. 179, 1924. 



