THE DECAPOD AND STOMATOPOD CRUSTACEA l^^i 



lamella completely overlapping and coalesced with the inner branch, 

 and only slightly shorter. 



This species can be distinguished from G. acanthochirtis Stimpson 

 and G. grandimanus (Gibbes, as Callianassa) by its non-spinous 

 front and chelipeds and the subequal length of the two branches of the 

 outer caudal lamella. 



Dimensions. — Length in median line, exclusive of antennte, 52.2 

 mm.; length of carapace 14.9; length of carpus and propodus to- 

 gether, measured to end of pollex, 18.5 mm. 



Type.— A male, from Mamanguape stone reef. Cat. No. 23756. 



UPOGEBIA AFFINIS (Say). 



Gebiaaffinis Say, Jour. Acad. Nat. Sci. Phila., i, 241, 1818. Smith Vine- 

 yard Sound Report, 549 [255], pi. n, fig. 7, 1874. 

 Upogebia affinis STKBi&mG, Hist. Crust., 185, 1893, 



Mamanguape stone reef; six specimens. 

 Parahyba River, mangroves ; one specimen. 

 Maceio coral reef; three specimens. 



Family PANULIRIDiE. 

 PANULIRUS ECHINATUS Smith. 



Panulirtcs echinatus Smith, Trans. Conn. Acad. Sci., 11, 20, 1869. PococK 

 Jour. Linn. Soc. London, Zool., xx, 516, 1890. 



Pernambuco ; one male. 



Carapace, antenuc^, first two segments of abdomen and upper half 

 of meral joints of legs pinkish red ; remainder of abdomen and legs 

 dark blackish blue. No round spots as in P. guttatus iX'^\x€\\\€), 

 which is green with yellow spots. The median spines of the carapace 

 as well as all the prominent spines behind the anterior margin are 

 smaller in echinatus than in guttatus ; there are no rudimentary 

 spines on the antennulary segment, and its two large spines are less 

 divergent and less ascending. The penult segments of antennae and 

 antennulse are considerably shorter in echinattis. 



Family PEN^IDiE. 

 PEN^US SETIFERUS (Linnaeus). 



Cancer setiferus Linn^us, Sys. Nat., ed. 12, i, pt. 2, 1054 1767 

 I^ncEusfluviatilis Say, Jour. Acad. Nat. Sci. Phila., i -36' 181 8 

 Pencsus setiferus ^l\\.^Y. Edwards, Hist. Nat. Crust., 11, ^i^, 1837. 

 Maceio, on coral reef; one specimen. 



