BEACH YURA FKOM TORKES STRAITS. 13 



(3) in front of the first of these latter, " zwei ahnlicli gestaltete Ziihnchen ul:)er unci unter 

 dem "Ranclc unmittelbar hinter der Auii:enhohle." The fig'iire which he gives shows 

 clearly that the upper tooth of the last-meutioned pair (3) is simply the most anterior of a 

 row of spiniform tubercles running parallel to the antero-lateral margin on the upper 

 surface of the carapace. In the figure this tooth is acute and much larger than the 

 others ; in our sj^ecimens it is much less prominent and less acute, hut still eonsifler- 

 ahly larger than the succeeding tul^ercles. It is directly over the " suh-hepatic " 

 tubercle or tooth, which is ev-idently the second tooth of (3), and, looking at the 

 carapace from the front or the side, the two are naturally associated as in Heller's 

 description. Milne-Edwards's account is briefer, and does not mention the double extra- 

 orbital spine. The row of tubercles parallel to the antero-lateral margin is described, and 

 four antero-lateral teeth are counted, tliat wliich we have called " sub-hepatic" being 

 reckoned as the first. The figure given by Milne-Edwards resembles very closely 

 the larger of our two specimens. The smaller specimen diflFers in the fact that the 

 sub-hepatic tooth (the first antero-lateral of Milne-Edwards) is nearly obsolete, being 

 represented only by a minute granule. This seems to have been the case with the single 

 specimen examined l)y De Man, who was thus unal)le to reconcile the apparently 

 conflicting statements of Heller and Milne-Edwards. 



Locality. " ^Eurray Island, reef." 



Disfrihutiou. Red Sea to New Caledonia. 



Cymo Andreossyi (And.). 



Cyrno Andreossyi, Dana, U.S.Expl. Exp., Crust, i. p. 225, pi. xiii. figs. 2u-b; Alcock, Jouru. Asiatic 

 Soc. Bengal. Ixvii. (2) p. 173 (1898). 



One male specimen. 



Locality. " Murray Island, reef." 



Distribution. Eed Sea to Tahiti. 



Cymo melanodactylus, De Haan. 



Cijmo melanodactylus, Dana, U.S. Expl. Exp., Crust, i. p. 225, pi. xii. lig. 1 ; Aloock, Jouru. Asiatic 

 Soc. Bengal, ixvii. (2) p. 174 (1898). 



A male specimen. 

 Locality. " Torres Straits." 

 Distribution. Ceylon to Eiji and Japan. 



Ozius 6UTTATUS ( Milne-Ed wards). 



Ozius guttatus, H. Milne-Edwards, Hist. Nat. Crust, i. p. 4.06; A. Milne-Edwards, N. Arch. Mas. 



Paris, ix. 1873, p. 239, pi. xi. fig. 1 ; Miers, Rep. Voy. ' Alert,' Crust, p. 228 ; De Mau, Arch. 



Naturg. liii. (1 ) 1887, p. 291 ; Ortmann, Zool. Jahrb. Syst. vii. 1893, p. 476. 



A female specimen, measuring 32 mm. in length by -iS'S mm. in breadth. The 

 frontal teeth are considerably more prominent than in Milne-Edwards's figure. 

 Locality. " Torres Straits.'' 



