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



229 



distal end of upper border, fingers with 5 or more 

 small teeth [antepenultimate segment of third 

 maxilliped about 3 times as long as broadj. 

 C. Hepatic spine remote from frontal margin of 

 carapace ; last three legs stout, propodus of third 

 pair 4 times as long as broad, at distal end nearly 

 twice as broad as dactylus: R. 7 : 1-2 

 C. Hepatic spine situated on frontal margin of 

 carapace ; last three legs more slender, propodus of 

 third pair 7 times as long as broad, at distal end 

 scarcely broader than dactylus; R. 7-9 : 1-2 

 A'. Hepatic spine absent [ischium of second leg unarmed, 

 merns without spine at distal end of upper border; 

 antepenultimate segment of third maxilliped 3 times as 

 long as broad] ; R. 3-5 : I 



lutescens Dana. 



consobrinus de Man. 



gerlachei Nobili. 



Harpilius beaupresi (Audouin). 



1825. Palaemon beaupresii, Audouin, Explic. somm. des planches de 



Crust., p. 91, in Savigny's Descr. d'Egypte, pi. x, fig. 4 (1809). 



? 1891. Anchistia spinigera, Ortmann, Zool. Jahrb., Syst. V, p. 511, 



pi. xxxvi, fig. 23. 

 '.' 1901. Ancliistia spinigera, Lcnz, Zool. Jahrb., Syst. XIV, p. 434. 

 1915. Harpilius Beaupresii, Balss, Denk. math.-naturw. Kl. K. Akad. 



Wien XCI, p. 26. 

 191 7. Harpiliopsis beaupresi, Borradaile, Trans. Linn Soc. (2) Zool. 



XVII, pp. 324, 379, pi. lv, fig. 21. 

 1921. Harpilius beaupresi ,T attersaW , Journ. Linn. Soc, Zool. XXXIV, 

 p. 389. pi. xxviii, fig. 8. 



Borradaile, who gives numerous other references, separates 

 this species from H. depressus merely by the proportions of the 

 antepenultimate segment of the third maxilliped. If, however, 

 I have identified Stimpson's species correctly, the two differ in a 

 number of important characters. 



Text-fig. 67.— Harpilius beaupresi (Audouin). 

 Anterior part of carapace, rostrum, etc. 



The principal characters of A. beaupresi are the following: — 

 (i) The rostrum is rather shallow with from 4 to 7 dorsal teeth 

 (usually 4 or 5) and 2 to 4 (usually 2 or 3) ventral. The posterior 

 dorsal tooth is placed on the base of the rostrum in advance of the 

 hinder limit of the orbit. The midrib of the rostrum is continuous 

 with the orbital margin (text-fig. 67). 



(ii) The antennal spine is remote from the lower orbital angle 



