1922.] S. Kemp: Notes on Crustacea Decapoda. 131 



from Beagle Bay in British New Guinea. Nobili and Tattersall 

 have examined specimens from the Red Sea, the former from 

 Djibouti and other undetermined localities, the latter from Khor 

 Dongonab and Suakin Harbour. 



I look on most other records of P. tenuipes* with suspicion, 

 but those of Stimpson from Ousima in the L,oo-Choo Is., of Miss 

 Rathbun from the Hawaiian Is. and of Balss from N. W. Australia 

 are perhaps trustworthy. No reliance can be placed on de Man's 

 record from Amboina as his specimen did not possess either of the 

 second legs and the identity of Ortmanu's specimens from Japan 

 and the Maldives appears to me to be extremely doubtful. Zehnt- 

 ner in recording a specimen from Amboina remarks that the 

 colour is entirely black, a fact not noted elsewhere and possibly 

 not true of real P. tenuipes. Heilprin's record from the Bermudas 

 cannot be accepted without corroboration. 



Palaemonella orientalis Dana. 



1852. Palaemonella orientalis, Dana, U.S. Explor. Exped., Crust. I, 

 P- 5§3' p'' xxxviii, fig s - 4-a-d. 

 ? 1887. Palaemonella orientalis, de Man, Arch. Naturgesch . \A\\, i, p. 

 5.i2. 



The single specimen which I refer to this species exhibits the 

 following characters: — 



The rostrum (text-fig. 9) is slender, straight at the base and 

 a little upturned at the tip ; it reaches almost to the end of the 

 antennal scale. On the upper border it bears 7 equidistant teeth, 

 the hindmost placed on the carapace, the next a little in advance 

 of the posterior limit of the orbit, and the foremost small and 



Text-fig. 9.— Palaemonella orientalis Dana. 

 Anterior part of carapace, etc., in lateral view. 



situated close to the apex. On the lower border there is a single 

 tooth, placed beneath the fifth of those on the upper edge. 



The antennal spine is present, but both the supra-orbital and 

 the hepatic are missing. The eyestalks are swollen and, in the 

 middle, are distinctly wider than the hemispherical cornea. The 

 ocular spot is not visible. 



' For references see Borradaile, loc. fit., 1917, p. 358. 



