542 COLLECIIOSfS EEOM THE WESIEEN INDIAN OCEAN. 



This example is a male of moderate size, and resembles the figure 

 of Milne-Edwards *, but differs from those of Hilgendorf t and Hoff- 

 mann J, who record this species from Zanzibar and Nossi-Be, in 

 having the fingers of the larger chelipede destitute of prominent 

 teeth or denticles ; the fingers are, however, less elongated than in M.- 

 Edwards's figure, based on specimens from Malabar and Samarang ; 

 the arm has but a single denticle near the distal end of its anterior 

 margin. Its recorded range extends eastward to New Caledonia. 



55. Ocypoda ceratophthalma {Pallas). 



He des Koches, beach (No. 210), an adult male. 

 This species has been already referred to in the earlier part of 

 this Report (p. 237). 



56. Ocypoda cordimanns, Desmarest. 



Three adult males are in the collection, obtained respectively at 

 Bird Island, Seychelles, African Island, on the beach, and Providence 

 Island; also an adult female from the lie des Roches (No. 210). 

 The specimen from Bird Island was found in the interior of the 

 island. 



For the distribution of this and the preceding species I may 

 refer to my recent revision of the genus §. 



57. Macrophthalmus parvimaiius, Latr. (ined.), M.-Edw. 



Mah^ Island, beach (No. 196) • an adult male. 



This species, hitherto a desideratum in the Museum collection, 

 is remarkable on account of the extreme small ness and slendemess of 

 the chelipedes in the male, which resemble those of the females in 

 many other species. In the specimen before me the fingers, are 

 slightly inflexed and concave on their inner surfaces, but scarcely 

 excavated ; the palms have a patch of hair on their inner surface, 

 but apparently no spine. 



Dr. Richters records this species (which was originally described 

 from supposed Mauritius examples) from the Fouquets, and M. A. 

 Milne-Edwards from Reunion. 



58. Enplax (Chsenostoma) boscii (Audouin). 



Five males and a female lacking the chelipedes, obtained on the 

 beach at Mozambique (Nos. 225, 227), are referred to this species, 

 to which also belongs, as I think, a very small male from the Red 

 Sea, received from the Godeffroy Museum as Macrophthalmus de- 

 pressus, RiippeU (No. 16403). 



* Ann. Sci. Nat. s«r. 3, xviii. p. 148, pi. iv. fig. 12 (1852). 



t Crust, in Van der Decken's ' Eeisen in Ost-Afrika,' p. 84, pi. iv. fie 1 

 (1867). 



I In Pollen and Van Dam's 'Eecherches BUT la Paunade Madagascar 'p 17 

 pL iii. figs. 19-22 (1874). ° ^' ' 



§ Ann. & Mag. Hat. Hist. aer. 5, x. p. 376 (1882). 



