On new Dragonjiiea from Sierra Leone. 213 



29. Per'iclimenea [Faldjer) Lohimadulensis. 



Kelattnl to P. borradailti, Katlib., 1904 {~P. tenuipes, 

 Boir., 1898), but (1) rostrum 2^ times length of carapace, 

 (2) second le;; 7 times length of caraj>ace, (8) second legs 

 unlike, one witli fiiif^ers gaping very widely. 



Kolumadulu Atoll, MaKlive Is. 



30. Pontoniopsia comanthi. 



Rostrum reaching end of second joint ot" antennule, its 

 hri-adth about eipial to that of eye. Antennal scale out- 

 reaching antennular stalk, broad. Arm and wrist ot Hist leg 

 subequal. Great chela outreaching antennular stalk by hand, 

 its wiist very short and wide, with a sharp process below. 



Torres Straits, on Comaniliua. 



31. Periclimeivcusjiinbriatus. 



Rostrum ^, without teeth behind orbit. Fixed tinker of 

 second leg bears knob and movable finger a socket. Fingers 

 of uroj)ods, scales, &c., very long. 



Mulaku Atoll, Muldive Is. ; Providence. 



32. Periclimenaua rohustus. 



Rostrum ^, with two teeth beliind orbit. Movable finger 

 of second leg bears knob and movable finger a socket. Fringes 

 not remarkably long. 



Amirante I. 



33. Pontonia maldivenais. 



Rostrum reaches middle of first joint of antennule. Maxilli- 

 j)eds without exopodites. Second legs unequal, the larger 

 about twice as long as carapace, with long, parallel-sided 

 hand. Dactylopodites of last three legs simple. 



Fadiifolu Atoll, Alaldive Is. 



XV. — Sew Dratjonjiies (Odonata) of the Sub/aniili/ Libellu- 

 linae from Sierra Leone, IT. Africa. By Dr. F. Ris, 

 Rheinau, Switzerland. 



The following descriptions have been extracted from proof- 

 sheets and nianusciipt of the writer^s 'Monograph of the 

 Libelluliiuo ' (Collections Selys, f:isc. ix.-xvi.). By the 

 kindness of Mr. llerbert Campion 1 was enabled to examine 

 Ann. <£; Mag. N. Uist. Ser. 8. Vol. xv. 15 



