106 KECOKliS OK THE AUSTKALIAX MUSEUM. 



5 (4) — Sides of tii'st tergite nearl}- quadraiio'ularwitli rounded 



outei' margin. Posterior gonopods independent, the two 

 joints standing in a liiie. Tracheal stalk of anterior 



gonopods long, dipping inside the body 



Spi I'oJioh'll IIS nil iiJioiri, sji. nov. 



6 (3) — Sides of first tergite falling short of the ventral surface 



of the second segment. Prozonites smooth, sti'iate or 

 sulcate, and, when punctured, the punctures are by no 

 means horse-shoe shaped 7. 



7 (S) — Posterior margin of segments excised in correspondence 



with the scobinas of the following segment 



Jh'iicniafncrlcKS laiicedlKtii-'^, sp. nov. 



8 (7) — Posterior margin of segments not excised 9. 



9 (10) — Dimple of the scobina small, circular, not wider 



than long. Inner branch of posterior gonopod located 

 immediately above the basal swelling. Venti'al poster- 

 ior margin of 7th segment upraised into a thick, promi- 

 nent, transverse ridge 



TK (('hnh'f^rncrirns) fii}rntii!< sroh'nnihi, subsp. nov. 



10 (9) — Dimple of the scobina transversely developed, always 



distinctly wider than long. Inner bi-anch of posterior 

 gonopod located at a distance of the base of the joint 

 nearly equal to its length. i- Ventral ridge of 7th seg- 

 ment not thickened and less pi'ominent... 11. 



11 (12) — Dimples of scobinas entirely open frontwards and 



located on the anterior mai'gins of the zonites which 

 seems to be excised. iMetazonite deeply sulcate doi'sally, 



the sulci separated by low rounded ridges 



Di iifiinifitrririix I'driimfiix, Karsch. 



12 (11) — Dimples of scobinas distant from the anterior margijis 



of the zojiites, closed fi-ontwards 13. 



13 (16) — Distance between the dimples of llie scobinas not 



exceeding once and a half the diameter of a diiiiid(>. .. 14. 



'- The characters borrowed from the male orj»ans coukl not be 

 verified in D. consiniilis, the only representative of which is a 

 female. 



