8 Rfxords of the S.A. Museum 



Dealing with a much smaller number of species, it Ijecomes possible to devise 

 a more satisfactory synopsis, and that here submitted, together with the illustra- 

 tions, should enable anyone, after a little study and experience, to identify 

 specimens obtained. In closely allied forms where it is thought that the key may 

 not be sufficiently explicit, some note on identification will be found appended to 

 the description of the species involved. A young Typhlops from Champion Bay, 

 North-West .Australia, has been associated with T. olivaceus, but as the type of 

 that species is from the Philippines, further evidence is desirable before admitting 

 it as a member of the .\ustralian fauna. The description of T. -waitii is insuffi- 

 cient to enable me to deal satisfactorily with this species, and not ])Ossessing 

 specimens I am unable to supply an illustration. 



Confining attention to Australian species and seeking for absolute rather 

 than relative dififerences, it is found that the cleft which proceeds downwards 

 from the nostril provides a constant and therefore reliable character. This, the 

 nasal cleft, runs in the majority of species to either (a) the first, or (b) the 



us 120 125 130 135 140 145 150 



110 US 120 125 130 135 140 145 150 155 



Chart 2,. Distribution of • T. po/ygr<niiiiiiciis 



