4 OK rnoPTF-IKA 



4. Tibial spines ti'fll- or moderately 2vell-develpped. 



5. Tarsi very short. Entirely apterous 1. Genus Poi.yzos'i ekia. Buimeiyter. 



5'. Tarsi /<'"i'. Winged 26. Genus Mikoki.aita. Shelfoid. 



4'. Tibial spines weak and sparse. 



5. Pronotiim very rugose, discoidal ( cf ) or trapezoidal (9) • • ^7- Genus Cataka, Walker. 

 5'. Pronotiim not very moose, oblong. 



6. Posterior metatarsus longer than the I emaining joints. . . 28. (jenus Pkotagonista, Shelfdid. 



b'. Posterior metatarsus shorter than the remaining joints . . 29- tienus Archiblatta, Vollenhoven. 



2'. Posterior margin of fifth abdominal tergite sinuate 2.5. C}enus Deropei-Tis, Buimeistei. 



i'. Eves rudimentary or absent. Tarsal arolia absent. 



2. Eves rudimenlarv. Head (urdijintn 3o. Cjenus Xoc'iicoi.a, Holivai. 



2'. Eves absent. Head oblong 3i. ( ienus SpEi..toBLATTA, I^olivar. 



I. Genus POLYZOSTERIA, Burmeister 



Polyzosteria. Burmeister, Handb Ent., Vol. 2, p. 482 (i838). 



Chalcolampra. Saussure, Mem. Soc. Sc. Phys. Nat. Geneve, Vol, 17, j). i32 (i853). 



Characters. — Ocelli absent. Antennaj shorter than the body. Pronutum anteriorly somewhat 

 cucullate, margins not reflected, posteriorly truncate. Tegmina and wings entire!}' absent. Posterior 

 angles of the seventh abdominal tergite strongly produced backwards, angles of the preceding tergites 

 not or scarcely produced, angles of the ninth tergite sometimes lobiform. Stigmatic dots on abdominal 

 tergites well-marked. Supra-anal lamina : (cf) quadrate, angles acute, (9) sub-bilobate cucullate. Sub- 

 genital-lamii ,1 {(J') sub-quadrate. stA'les short, obtuse. Cerci short, flattened, blunt at apex. Tibiae 

 robust, almost quadrangular in section, spines on outer aspect in two rows. Posterior metatarsus very 

 short, unarmed beneath, its pulvillus occupying the greater part of the joint. 



Geographical distribution of species. 



Australia and Tasmania. 



.Australia, Tasmania. 



T. 7^. limbata, P>urmeister, Handb. Ent., \'ol. 2, p. 483 (i838). 

 P. oenca. Burmeister. ibidem, p. 483 (i83S). 

 P. f'urpurasceiis, Fischer, Orlh. Eur. p. 93 (iS53). 

 P. ptilc/iellii, Saussure, Rev. Zool. {2) Vol. 16, p. 3o8 (1X041. 

 P. iiilens. Walker. Cat, Blait. Brit Mus. p. i55(i868). 

 ? P. frciiclni. Tepper. Trans. Roj'. .Soc. S. .\iistral. Vol. iS. p. 17S 11S041. 



2. /-". iridicolor. Teppei , ibidem, \'ol. 17, p. 73 (1893). South Australia. 



3. P. bagoti, Tepper, ibidem, p. 79 (i8g3). South Australia. 



4. P. ciiprea, Saussure, Mem. Soc. Sc. Ph\s. Nat. (ieneve, \'ol. 17, South and West .Australia. 



p. I 33, pi. I, f. 2. — PI. I, Fig. I. 



P. maculata, Hrunner von W'attcnwyl. Nouv, .Syt-t. des Blatt. ]). 206 

 (1865). 



5. P. impressa, Tepper, in Horn. Exped. Centr. .Austial., VcjI 2, p. 3()i Central .Australia. 



(1896). 



6. P. obscuroviridis, Tepper, Trans. Rov. Soc. S. .Austral., Vol. 17. p. 73 South .Australia. 



(1893). 



7. P. pubescens, Tepper, ibidem, p. 75 (iSqS). — PI. I, Fig, la. West Australia. 



8. P. oculata, Tepper, ibidem, p. 75 (1893). South .Australia, \''ictoria. 



9. P. invisa. Walker, Cat Blatt. Brit. Mus. p. 162 (1868). .Australia. 



10. P. viridissima, Shelford, Trans. Ent. S(jc. Lond. p. 262 (1909). New South Wales. 



