220 
THE VOYAGE OF H.M.S. CHALLENGED. 
hirtipes, Dana, Cardiosoma urvillei, Milne Edwards, is widely distributed throughout 
the Oriental region ; another, Cardiosoma armatum, Herklots, occurs on the West Coast 
of Africa and at the Cape Verde Islands; a third, Cardiosoma guanhumi, Latreille = 
Cardiosoma diurnum, Gill ( fide Smith), and Cardiosoma quadratum, Saussure [fide 
von Martens), is common at the West Indies and Florida Keys, and occurs also in Brazil 
and at the Cape Verde Islands (Stimpson) ; a fourth, Cardiosoma cressum, Smith ( = Car- 
diosoma latimanus, Lockington ?), inhabits the West Coast of America and Lower 
California ; and a fifth, Cardiosoma (?) barbiger (Poeppig) referred to by Milne Edwards 
as Cardiosoma barbatus, occurs in Chili. 
Cardiosoma guanhumi, Latreille. 
Cardisoma guanhumi (Latreille), Milne Edwards, Hist. Nat. Crust., vol. ii. p. 24, 1837 ; Atlas 
in Regne Animal de Cuvier, ed. 3, pi. xx. fig. 1; Ann. d. Sci. Nat., ser. 3, Zool. xx. 
p. 204, 1853. 
Cardiosoma guanhumi, S. J. Smith, Trans. Connect. Acad., vol. ii. p. 143, pi. v. fig. 3, 1870, 
where references to synonyma. 
Bermuda, April 1873 (two adult males). 
The largest example has the following dimensions : — 
Adult f . 
Lines. 
Millims. 
Length of carapace, about 
46 
98 
Breadth of carapace, .... 
. 56J 
120 
Cardiosoma armatum, Herklots. 
Cardisoma armatum, Herklots, Addit. Faun. Carcin. Africee occidentalis, p. 7, pi. i. figs. 4, 5, 1851. 
,, „ Milne Edwards, Ann. d. Sci. Nat., ser. 3, Zool. xx, p. 205, 1853. 
„ „ deMan, Notes Leyden Mus., ii. No. 5, p. 32, 1879. 
Cape Verde Islands, Porto Praya, St. Jago (an adult female). 
Adult J . Lines. Millims. 
Length of carapace, ....... 32J G9 
Breadth of carapace, ....... 40£ 86 
This species is always distinguishable from the Oriental Cardiosoma carnifex by the 
more strongly spinuliferous merus and granulated palm of the chelipedes. 1 
Cardiosoma carnifex (Herbst). 
Cancer carnifex, Herbst, Naturgesch. der Krabben u. Krebse, vol. ii. p. 163, pi. xli. fig. 1 f, 1794. 
Cardisoma carnifex (Latreille), Milne Edwards, Hist. Nat. Crust., vol. ii. p. 23, 1837 ; Ann. d. 
Sci. Nat., ser. 3, Zool. xx. p. 204, 1853. 
„ „ A. Milne Edwards, Nouv. Archiv. Mus. Hist. Nat., vol. ix. p. 264, 1873. 
,, ,, de Man, Notes Leyden Mus., ii. No. 5, p. 31, 1880. 
Specimens were in the Challenger collection from the following localities 
Tracey Island, Nares Harbour, Admiralty Islands (three adult males and an adult 
1 Of. Hilgendorf, Monatsber. d. k. preuss. Akad. d. Wiss. Berlin, p. 801, 1878. 
