TO INDIAN CARCINOLOGY. 425 



mencing at the base of the fifth right leg, it curves completely over the abdomen as far 

 as the base of the fifth left le°,\ 



Length of body in a male 9 mm., right chelipede 12 mm., left chelipede 105 mm. A 

 female is about the same size. 



This small species comes nearest to C. Sharreri, A. Milne-Edw., common in deep 

 water off the east coast of the United States, but is distinguished at once from the 

 American form by its non-ciliated ambulatory (or perhaps swimming) dactyli and 

 propodi, and by its longer and more slender male organ. The only previously known 

 Iudo-Pacific species is C. australls, Henderson, from the Arafura Sea and Fiji, in which 

 the chelipedes are shorter and quite differently armed, with the ambulatory legs not 

 specially flattened. 



Genus Spiropagurus, Stimpson. 



230. Spiropagurus spiriger (De Haan). 



Pagurus spiriger, De Haan, Crust. Japon. p. 206, tab. xlix. fig. 2 (1850). 

 Gulf of Martaban ( Oates) ; Madras, not uncommon (J. R. H.). 

 Distribution. Malay Archipelago, China, Japan, Torres Strait, Admiralty Is. 



Genus Eupagurus, Brandt. 



231. Eupagurus zebra, n. sp. (PL XXXIX. figs. 12-15.) 



Muttuwartu Par, a single specimen 13 mm. long {Thurston). 



This specimen is preserved in the same bottle with a Hydroid, Aglaophenia urens, 

 Kirchenpauer, to which several examples of Avicnla zebra, Peeve, are attached, and 

 which have a similar coloration, so that the Mollusc and Crustacean probably live 

 together, and are protected by the similarity of their markings to the dark ramuli of the 

 Hydroid. In the British Museum there is a much larger specimen, taken by H.M.S. 

 ' Penguin,' on Holothuria Bank, N.W. Australia, at a depth of 53 fathoms, from which 

 the following description and also the figures are taken. 



The colour-markings of this very beautiful species are so striking as to distinguish it 

 at once from all other known species. They take the form of dark blood-red parallel 

 lines along both surfaces of the two pairs of ambulatory legs, on the left or smaller 

 chelipede, on the merus and inner margin of the right chelipede, on the sides of the 

 anterior portion of the carapace, on the upper surface of the antennal peduncles, and as 

 a thin line, interrupted on each segment, along either side of the entire antennal flagella. 

 The ocular corneae are dark green, and the contiguous portion of the eye-stalk is 

 encircled by a yellow band. The median frontal projection and the ophthalmic scales 

 are yellow. 



The median frontal projection is prominent and acute, reaching to about the middle of 

 the ophthalmic scales, which latter are small, subtriangular, and entire. The eye-stalks 

 are long, and but little shorter than the antennal peduncles. The antennal acicle is 

 slender and slightly curved, reaching the level of the end of the eye-stalks. The 



