34 Annals of the South African Museum. 



TRIBE CABIDEA. 

 FAMILY PALAEMONIDAE. 



1915. Palaemonidae, Borradaile, Aim. Nat. Hist., ser. 8, vol. 15, 



p. 206. 

 1915. Kemp, Mem. Indian Mus., vol. 5, p. 264. 



GEN. LEANDER, Desmarest. 



(For the family and genus see also references in Trans. E. Soc., 

 Edinburgh, vol. 50, pt. 2, p. 28(3, 1914, and these Annals, vol. 15, 

 pt. 2, p. 75, 1915, and add 1915, Kemp. Mem. Indian Mus., vol. 5, 

 p. 273.) 



LEANDER PACIFICUS, Stimpson. 

 Plate XCIIlB. 



1860. Leander pacificus, Stimpson, Pr. Ac. Philad., vol. 12, p. 40 



(109). 



1888. de Man, Arch. Naturg. Jahrg. 53, p. 559. 



1902. de Man, Abhandl. Senckeub. Nat. Gresell- 



schaft, vol. 25, pt. 3, p. 806. 



The specimen figured measured 54 mm., the measurement 

 taken being from apex of rostrum to the end of the second 

 pleon-segment and thence to apex of telsoii. The dorsal carina 

 shows nine teeth, the foremost small, not far from the acute 

 apex, but considerably in advance of the main series, seven in 

 number, with the hindmost or ninth smaller than any of the 

 seven and a little remote. The ventral teeth are five, the fore- 

 most small, midway between the apex and the first of the serial 

 dorsal seven, the hindmost of the ventral five being just under 

 the antepenultimate of the dorsal seven. The telson is rather 

 shorter than the inner blade of the uropods, and has the first 

 pair of dorsal spines much below the middle, and about as far 

 from the second pair as those are from the narrow apical margin, 

 which has a central spine-like apex of the same length as its 

 lateral pair of spines, the long spines between it and them being 

 nearly three times as long, with the usual pair of setae of nearly 

 the same length as the long spines. 



The eyes as preserved are grey, with two black spots adjoin- 

 ing the peduncle, the divisions of which are alternately orange 

 and white. 



