282 Mr. R. Shelford's Studies of the Blattidae. 



33. P, conjunct a, Shelf. 



Platyzostcria conjuncta, Shelford, \in'\ Fauna Siidwest 

 Austral., ii, Lief. 9, Blattidae, p. 136 (1909). 



This can be distinguished from the preceding by the 

 spines at the posterior angles of the supra-anal lamina 

 (^), from obscura by the form of the sub-genital lamina 

 (^), and from scahriuscula by the absence of scabrous 

 points on the dorsal surface. 



West Australia, Collie {Michaclsen and Hartmeyer), 

 (Hamburg Mus., types). 



84. P. morosa, Shelf. fPl. VIII, fig. 21.) 



Platyzostcria morosa, Shelford, op, cit., p. 136 (1909). 



Distinguished from the preceding by the form of the 

 supra-anal lamina (^) ; the species varies considerably in 

 size. 



South Australia (Oxford Mus., types) ; West 

 Australia, S. Albany, Lion Mill, Mundaring Weir 

 {Michaelsen and Hartmeyer), (Hamburg Mus.). 



35. P. p'ovisionalis, Tepp. 



Pd^iylancta provisionalis, Tepper, Tr. R. Soc. S. 

 Australia, xvii, p. 108 (1893). 



This species cannot be recognised from the description ; 

 some specimens in the MelbourDO Museum, identified by 

 Mr. Tepper as 2y'i'ovisionalis, are young larvae that cannot 

 be referred with any certainty to this or to any other 

 species of the genus. 



South Australia, Mount Bryan East (Adelaide Mus., 

 type). 



36. P. inclusa, Walk. 



Perijilancta inclusa, Walker, Cat. Blatt. Brit. Mus., p. 



140 (1868). 



Platyzostcria inclnsa, Shelford, [in] Fauna Siidwest 



Austral, ii, Lief. 9, Blattidae, p. 137, PI. XIII, fig. 4 



(1909). 



Piceons above, sometimes variegated with castaneous on the disc 



of the thorax, nitid, impunctate. Thorax margined laterally with 



testaceo-hyaline. Head and legs rufous. Antennae rufo-castaneous. 



No tegminal rudiments. Posterior angles of abdominal tergites 



