CRUSTACEA OF THE MERGUI ARCHIPELAGO. 197 
Cancer philargius, Linné, Mus. Lud. Ulr. p. 432. 
Cancer inconspectus, Herbst, Krabben und Krebse, t. 11. p. 162, Taf. xl. 
fig. 3. 
Calappa cristata, Fabricius, Suppl. Entom. p. 346. 
Calappa cristata, Milne-Edwards, Hist. Nat. Crustacés, t. ii. p. 105, 
pl. xx. fig. 1. 
Two almost adult specimens (¢ @) and a very young one 
were collected. 
Calappa philargius inhabits the Indian Ocean (Ceylon), and 
the Chinese and Japanese seas. 
107. Catappa GALLus, Herbst. 
Cancer gallus, Herbst, Krabben und Krebse, p. 46, pl. lvui. fig. 1. 
Calappa gallus, Milne- Edwards, Hist. Nat. Crustacés, t. 11. p. 105. 
A single male specimen was found at King Island Bay. 
Calappa gallus has been recorded from Mauritius, the Philippine 
Islands, and New Caledonia. 
Family Leucostip2. 
Genus Levcosta, Fabr. 
108. Leucosta urANtIA, Herbst. 
Cancer urania, Herbst, Krabben und Krebse, i. tab. 1xu. fig. 3. 
Leucosia urania, Milne-Ldwards, Regne Animal de Cuvier, Crust. 
pl. xxv. fig. |. 
Leucosia urania, Bell, Monograph of the Leucoside, Trans. Linn. Soc. 
vol. xxi. 1855, p. 288. 
? Leucosia longifrons, de Haan, Fauna Japon. p. 132, tab. xxxiil. fig. 4. 
? Leucosia neocaledonica, A. Milne-Edwards, Nouv. Arch. du Muséum, 
fx, p.40, pl. iw. fig. I. 
2 Leucosia pulcherrima, Miers, On the Oxystomatous Crustacea, Trans. 
Linn. Soc. ser. i. Zool. vol. 1. p. 236, pl. xxxviil. figs. 4-6. 
? Leucosia ornata, Miers, l. c. p. 236, pl. xxxvili. figs. 7-9; see also 
de Man, Notes from the Leyden Museum, vol. iii. p. 123. 
A single female specimen was collected. 
The cephalothorax is 173 mm. long and 16 mm. broad. The 
upper surface is only sparsely punctate on the front and towards 
the antero-lateral margins; there are five distinct tubercles in 
the cavity of the thoracic sinus. The coloration perfectly agrees 
with Bell’s description. 
Some time ago when remarking on this species, I pointed out 
that L. neocaledonica, A. M.-Kcw., is identical with L. longifrons, 
