CEUSTA.CEA O'P THE MERGUI AECHIPELAGO. 247 



B. Dactylopodites of the legs of the second and third pair shorter 

 than the propodites, or at least appearing shorter when seen 

 from above. 



138. CLiBAJirARius viEESCENS, Krauss. 



Pagurus virescens, Krauss, Siidafrikanische Crustaceen, 1843, p. 56, 

 tab. iv. fig. 3. 



Clibanarius virescens, Hilgendorf, Crustacean von Ost-Afrika, 1869, 

 p. 95. 



Two specimens were collected at Owen Island. They are 

 V7ithout shells. In structure they agree with all the essential 

 characters of the finely-coloured G. virescens, Krauss, and are 

 nearly similar in coloration to specimens of the species found on 

 the coast of Natal, presenting only a few slight differences from 

 Krauss's description. The propodites of the legs of the second 

 and third pairs, in these specimens, as in those from jN^atal, are 

 of an olive-green colour ; but in the Mergui specimens this 

 colour is remarkably dark quite at the distal ends of the joints, 

 and the latter are moreover marked at the distal ends of their 

 outer surfaces with a small white spot. The dactylopodites of 

 these legs are yellow-ochre, but are not marked with a green 

 ring in the middle. The olive-green eye-peduncles are marked, 

 on their uppersides, at their distal ends, with a narrow white 

 ring before the cornea. 



The cephalothorax of the larger specimen is 9 millim. long. 



CUhmiarius virescens has hitherto been recorded from the rocky 

 coast of Natal, where it is a very common species, also from 

 Zanzibar, the Eed Sea {Hilgendorf), and Hongkong {Seller, 

 Novara-Beise). This species is therefore probably distributed 

 throughout all the Oriental seas. 



139. CiiBAisrAEius ^QUABiLis, Dana, var. meeguiensis, n. 

 Clibanarius sequabilis, Dana, United States Expl. Exped., Crustacea, i. 



p. 464, pi. xxix. fig. 4, 



Clibanarius sequabilis, Heller, Crustaceen der Novara-Reise, S. 91. 



Twenty-four specimens were collected at King Island Bay, in- 

 habiting shells of Nerita and Cerithium. 



Many years ago Dana described and figured two species of the 

 genus Clibanarius which are closely allied to one another. One 

 of these species, G. cegualilis, was discovered at the Island of 

 Madeira ; the other, however, which was called C, zelra, inhabits 



