LAND CRUSTACEANS. 97 



Family Grapsidae. Genus Geograpsus, Stimps., 1858. 



4. Geograpsus grayi (H. M.-Edw.), 1853. 



For references see above, p. 67. 



In every inhabited island of the group. 



Genus Metasesarma, H. M.-Edw., 1853. 



5. Metasesarma rousseauxi H. M.-Edw., 1853. 



For references see above, p. 68. 



General distribution throughout the group in damp land, especially at dry edges of 

 mangi'ove swamps. Not found in Addu atoll. 



Family Geocarcinidae. Genus Cardiosoma, Latr., 1825. 



6. Cardiosoma carniftx (Hbst) 1794. 



Cancer carnifex, Herbst, "Krabben" ii. v. p. 263, PI. XLI. figs. 1, 2 (1794). 

 Cardiosoma carnifex, Alcock, As. Soc. Bengal, LXix. ii. 3, p. 445 (1900) [references]. 



Of general distribution throughout the northern atolls. Especially common in Mila- 

 dumadulu and Mahlos. Generally makes its burrows under coconut trees at the edges of 

 kuli or swamps, the openings being often covered at high tide. Not found in Addu atoll. 



ANOMALA, PAGURINEA. 



Family Coenobitidae. Genus Coenobita, Latr., 1826. 



The distribution of this genus in the Maldives is somewhat peculiar. In nearly every 

 island one species at least is found, but it is rare to find three. Two are frequently met 

 with in the same island, and C. rugosus is the most common. In Goidu all four are met 

 with, and Hulule, Male, has perlatus, rugosus aud clypeatus. 



7. Coenobita perlatus H. M.-Edw., 1837. 



For references see above, p. 68. 



Of general distribution throughout the group. 



8. Coenobita rugosus H. M.-Edw., 1837. 



For references see above, p. 68. 



Of general distribution throughout the group. 



9. Coenobita compressus. Gue'rin, 1830. 



Coenobita compressa Gudrin, Voy. " Coquille," II. 2, p. 29 (1830). 



Coenobita compressus, Ortmann, Zool. Jahrb. Syst. VI. p. 318 (1892) [references]. 



Goidu, and probably elsewhere. 



10. Coenobita clypeatus Latr., 1826. 

 For references see above, p. 68. 



Of general distribution throughout the group. 



G. 13 



