TllK MYKIAl'DHA IN TllK AUS'l'KALlAN .MTSKUM |!i;(M,K M AN N. S9 



Proterandkia, Verlioeff, 1894. 



Por.YDKS.MOIDKA, Focock, 1894. 



tii'iiiix Australiosoiiia, (jrii. imr. 



The fliai'actor.s of tlii.s new <i;-euus are the follovvinii' : — 



1. Pore formula : 5, 7, 9, 10, 12, 18, 15 to 19. 



'I. Keel of second terg-ite reaching beh)w the level of the 

 posterior anyle of the first tei'>iMte, and of tlie following keels. 



3. Keels more or less reduced. 



4. Tarsi of male furnished below with a bi'ush. 



5. First pair of leofs of male thickened, the third joint being 

 provided with a tooth-like process. 



6. Anterior part of fifth sternite bearino- a more or less 

 developed lamella. 



7. Coxal aperture more or less contracted on the middle line. 



8. Gonopods : — Coxal hook present. Femoral part of telo- 

 podit distinct. Telopodit more or less condensed and more or 

 less deeply divided into three (sub. gen. Aiixfraliononia) or two 

 (sub. gen. l>irlinln>iiniiii) branches. 



TiJiie : — A/i-'<tr(iliiis(in/i( nn'iihoirt, sp. nov. 



This genus is established on the four species, the descriptions 

 of which ai-e given hereafter. All the characters recorded ai-e 

 probably not of equal value ; but it has not been possible to 

 ascertain which are to be considered as secondary, as hardly 

 anything is known of the Polydesmids of the Australian 

 continent, Tasmania and New Zealand. 



So far the only species recorded from these regions are :— 



1\)I t/ile)^iirNx (Sfrdii'jijliifiin/ii) nihrijiett, L. Koch, 



1867 9: Brisbane. 



I'dl ijdf^f))! 11!^ (Stro)ifjiiIo.^u)ii(i) frdiisverse-hi'in'ii- 



f.i(iit,h. Koch, 1867 (J: Bi-isbane. 



ruhiih>xiiut>i (StroiKjijIiisdiiKi) ii(iriin-(i\ liumb. 



and Sauss., 1869 J": Auckland. 



