A. E. Yerrill — Decapod Crustacea of Bermuda. 



413 



It ranges from Beaufort, N. C. to the Abrolhos Islands and Bahia, 

 Brazil. Oflf Cape Fear, N. C, 15-17 fathoms, West Indies, 6-16 

 fathoms, Florida, and many other localities (Rathbun). Bermuda 

 and Bahia, Brazil (Miersj Rathbun); Abrolhos (Smith, Yale Mus,). 



Microphrys bicornutus (Latr.) A. M.-Edw. Spider Crab. 



Pisa bicormita Latreille, Eucyc. Meth., Nat. Hist., x, p. 141, 1825. 

 Pericera bicorna H. Milne-Edwards, Hist. nat. Crust., i, p. 337, 1834. 

 Pisa bicorna Gibbes, Pi'oc. Amer. Assoc, 3d meeting, p. 170, 1850. 

 Pericera bicornis Saussure, Criist. Antilles et du Mexique, p. 12, pi. 1, figs. 



3, 8c, 1858. 

 Milnia bicormita Stimpson, Notes on North Amer. Crust., Annals Lye. Nat. 



Hist., New York, vol. vii, pp.51, 180, 1860. Smith, Brazil Crust., these 



Trans., ii, p. 1, 1869. 

 Microphrys bicornutus A. Milne-Edw., Nouv. Arch. Mus. Hist. Nat., viii, p. 



247, 1872; Miss. Sci. Mex., v, p. 61, pi. xiv, figs. 2-4, 1873; Bull. Mus. 



Comp. ZooL, viii, p. 1, 1880. Miers, Voy. ChalL, Zool., viii, p. 83, 1886 



(Bermuda). 

 Micropliri/s bicornutus M. J. Rathbun, Proc. XJ. S. Nat. Mus., xv, p. 253, 1892 



(synou.) : Brach. and Macrura Porto Rico, p. 72, 1901. 

 Pisa galibica and Pisa purpurea Schramm and Desb., Crust. Guadeloupe, p. 



18, 1867 {t. A. M.-Edw.). 



Figure 43. 



In life, this species nearl}- always has its carapace covered with 

 closely adherent algte, bryozoa, sponges, etc. which pretty effectually 



Figure 43. — Microphrys bicormdiis, nat. size, with foreign growths on the cara- 

 pace. Phot. A. H. V. 



conceal it. When cleaned, it is dull yellowish brown; its chelipeds 

 are always covered with small, round, purplish spots. This is diag- 

 nostic for the species. 



Many of the females collected April 20, 1901, carried eggs. 



