NO. 1650. AMl'JRIVAX SPECIES OF SYXAIJ'UEUS—VOUTIERE. 21 



of these species; for all the others, I refer to my work on the 

 Ali)hei(la> in general,* and to the paper on the Alpheidaj of the Mal- 

 dives.'' 



DESCRIPTIONS OF SPECIES. 



PAULSONI Group. 



SYNALPHEUS LOCKINGTONI, new name. 



Alpheus leviiisculus Lockington, Ann. and Mag. Nat. Hist., 1878, p. 478 ; 

 not Alpheus cdwanUi var. Icviuscitlus Dana, 1852. 



I believe that I have rediscovered the species described by Locking- 

 ton, althongh the specimens which represent it ditfer in slight details 

 from his description. 



Fig. 1. — Synalpheus lockingtoni. a, frontal and antennal region ; e, carpocerite ; 



K, LARGE chela; k' , SMALL CHELIPED OF FIRST PAIR". I, FOOT OF SECOND PAIR; m, FOOT 

 OF THIRD pair; Vt', DACTYL OF THIRD PAIR; t. TELSON. 



The rostrum is a little longer than the lateral spines ; it reaches the 

 extremity of the basal antennular article, from which it is separated 

 by notches which are narrow, but not sharp, at the base. 



The last tAvo antennular articles are practically equal, the anten- 

 nule being 4.4 times as long 'as wide; the basal article is only 1.5 



"Annales des Sciences Natnrelles (8), IX, 1890, iip. 1-5G. 

 ''The Fanna and Geoirraiiliy of tlie Maldive and Laccadive Arcliipelagoes, II, 

 Pt. 4. 190,^), pp. 852-920. 



