CRTJSTACEA OP THE MEBGDI ARCHIPELAGO. 197 



Cancer philargius, Linne, Mus. Lud. Ulr. p. 432. 



Cancer inconspectus, Herbst, Krabben und Krebse, t. ii. p. 162, Taf. xl. 

 fig. 3. 



Calappa cristata, Fabricius, Suppl. Entom. p. 346. 



Calappa cristata, Milne-Edwards, Hist. Nat. Crustaces, t. ii. p. 105, 

 pi. XX. fig. 1. 



Two almost adult specimens ( J $ ) and a very young one 

 were collected. 



Calappa philargius inhabits the Indian Ocean (Ceylon), and 

 the Chinese and Japanese seas. 



107. Calappa gallus, Herbst. 



Cancer gallus, Herbst, Krabben und Krebse, p. 46, pi. Iviii. fig. 1 . 

 Calappa gallus, Milne -Edwards, Hist. Nat. Crustaces, t. ii. p. 105. 

 A single male specimen was found at Kling Island Bay. 

 Calappa gallus has been recorded from Mauritius, the Philippine 

 Islands, and IS'ew Caledonia. 



Family LEucosiiDiE. 

 Grenus Leucosia, Fair. 



108. Leucosia ueania, Herbst. 



Cancer urania, Herbst, Krabben und Krebse, iii. tab. Ixii. fig. 3. 

 Leucosia urania, Milne-Edwards, Regne Animal de Cuvier, Crust. 



pi. XXV. fig. 1. 



Leucosia urania. Bell, Monograph of the Leucosidce, Trans. Linn. Soo. 

 vol. xxi. 1855, p. 283. 



? Leucosia longifrons, de Haan, Fauna Japon. p. 132, tab. xxxiii. fig. 4. 



? Leucosia neocaledonica, A. Milne- Edwards, Nouv. Arch, du Museum, 

 t. X. p. 40, pi, ii. fig. 1. 



? Leucosia pulcherrima, Miers, On the Oxystomatous Crustacea, Trans. 

 Linn. Soc. ser. ii. Zool. vol. i. p. 236, pi. xxxviii. figs. 4-6. 



1 Leucosia ornata, Miers, I. c. p. 236, pi. xxxviii. figs. T-9 ; see also 

 de Man, Notes from the Leyden Museum, vol. iii. p. 123. 



A single female specimen was collected. 



The cephalothorax is 17^ mm. long and IG 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 

 witli Bell's description. 



Some time ago when remarking on this species, I pointed out 

 thatX. neocaledonica, A. M.-Edw., ia identical with L. longifrons 



