284 
THE VOYAGE OF H.M.S. CHALLENGER. 
The species are rarely found in deep water. 
The following are species of this genus which have been described since the publica- 
tion of M iln e Edwards’s work in 1837. 
Calappa convexa, Saussure ( = Calappa xantusiana, Stimpson). West Coast of 
Mexico ; California. (This species is the western representative of, or 
perhaps identical with, Calappa g alius). 
Calappa rubroguttata, Herklots ( = Calappa bocagei, B. Capello). West Africa. 
Calappa pelii, Herklots. West Africa. 
Calappa guerinii, B. Capello. India, Yanaou. 
Calappa moniziana, B. Capello. Cape of Good Hope. 
Calappa angustata, A. Milne Edwards. West Indian Seas (to 115 fathoms). 
Calappa depressa, n. sp. South Australia. 
I have described a new variety of Calappa gallus (var. bicovnis) from the Providence 
Islands and Indian Ocean. M. de Haan also refers to a species, Calappa gallina 
(Herbst), not mentioned by Milne Edwards. 
Calappa Jlammea (Herbst) (PI. XXIII. fig. l). 
? Cancer Jlammea, Herbst, Naturgescli. der Krabben u. Krebse, vol. ii. p. 161, pi. xl. fig. 2, 1793. 
Calappa Jlammea, Bose, Hist. Nat. Crust., vol. i. p. 185 (?). 
,, „ White, List Crust. Brit. Mus., p. 44, 1847. 
„ mannorata, Desmarest, Consid. sur les Crust., p. 109, 1825 (?). 
,, „ Milne Edwards, Hist. Nat. Crust., vol. ii. p. 104, 1837. 
,, „ Gibbes, Proc. Amer. Assoc. Adv. Sci., p. 183, 1850. 
„ ,, Kingsley, Proc. Acad. Nat. Sci. Philad., p. 402, 1879 ; not Calappa mar - 
morata, Fabricius, 
„ granulata, de Haan, Crust, in v. Siebold, Fauna Japonica, dec. iii. p. 70, 1837 ; not 
Cancer granulatus, Linnjeus {type) (1). 
An adult female and two smaller females are in the collection from Bermuda, and an 
adult male labelled as from Simon’s Bay, Cape of Good Hope, 10 to 20 fathoms. 1 
Adult ?. 
Lines. 
Millims. 
Length of carapace, 
40 
84-5 
Breadth of carapace, 
co 
IQ 
124 
The adult male from the Cape is rather smaller. 
1 Herbst’s name is cited by Milne Edwards for this species, and must be adopted, as having priority, if the quotation 
be correct, but it is possible that Herbst’s species is not identical with this Atlantic and South African form. The 
brief description, however, and rude figure apply fairly well. In the adult female in the Challenger collection, from 
Bermuda, the faint brownish-pink markings on the carapace are scarcely reticulated ; in the smaller specimens from 
Bermuda, and in the large male from the Cape of Good Hope, they are almost entirely absent; in an adult male from St. 
Croix, they form more distinct but still irregular reticulations, but in one from the collection of the late General 
Hardwicke, and presumably from the Indian Ocean, the reticulations on the anterior half of the carapace are very 
regular and distinct. Except in coloration the specimens from these widely distant localities do not present any marked 
distinctions. Herbst gives “ Ostindien” as the habitat of his type. 
