BY ARTHUR M. LEA. 481 



middle, where they are wider than prothorax, suddenly lessened 

 to apex; suture, 2nd, 4th and 6th interstices feebly produced at 

 base, the 6th and 7th with a feeble united tubercle; 2nd, 4th and 

 6th raised and to the naked eye feebly tuberculate, the 2nd with 

 a feeble tubercle at summit of declivity, 4th and 6th curved at 

 the middle, suture on declivity feebly thickened; each with a blunt 

 produced tubercle at apex, conjoined at their bases; irregularly 

 shallowly foveate. Basal segment of abdomen about twice as 

 long as 2nd; 2nd with a transverse impression and with distinct 

 punctures; intermediates feebly depressed, not as long as apical; 

 apical with a feeble depression on each side. Posterior femora 

 terminating at one-third from apex of abdominal segment; tibiae 

 straight; tarsi broad, 3rd joint rather widely bilobed, 4th longer 

 than 1st and pai'allel-sided. Length 10, rostrum 2^ ; width 

 4^ mm. 



Hab. — Port Lincoln, S.A. 



I have seen but one specimen (which might be regarded as a 

 co-type) of this species. Kindly lent me for examination by Mr. 

 G. Masters. 



PoROPTERUS ELLiPTicus, Pasc; Mast. Cat. Sp. 'No. 5424. 



Upper surface densely clothed with minute muddy-brown scales, 

 a few small depressed elongate scales sprinkled here and there, 

 granules and tubercles almost bare; under surface with more 

 distinct scales than above; femora and tibiae densely clothed with 

 moderately elongate scales; head — and rostrum to muzzle — with 

 moderately distinct scales. Ciliation minute, bright silvery- 

 yellow. 



Convex, elongate-elliptic, tubercles mostly small. Head and 

 rostrum — especially the latter — densely punctate; rostrum elon- 

 gate, subparallel, feebly longitudinally excavated above scrobes, 

 with a feeble shining almost obliterated carina; antennae elon- 

 gate; scape inserted about two-fifths from apex, passing muzzle 

 for about one-fourth its length; 2nd joint of funicle about once 

 and one-third as long as 1st and as long as the three following 

 combined; club subadnate to funicle. A-oi'Aora.x- distinctly longer 



