The South Australian Naturalist. 



wonder he sings all the time when he has all he wants to drink 

 and a wife who can't talk." It was not a fair remark, I 

 thought, as I moved on trying to recall where I had read how 

 the Greek poet Plato had praised the little insect's song. 



The accompanying plate shows the cicada emerging from 

 the pupal covering. 



(1) Underside of pupa. 



(1) Underside of pupa, showing the strong forelegs. 



(2) The insect emerging, showing the strong forelegs. 



(3) Back view of insect emerging. 



(4) Empty pupal case. 



(5) Newly-emerged insect, with wings partly developed. 



(6) Showing how wings sometimes develop one at a time. 



(7) Perfect insect. 



(7) Underside, showing musical apparatus and sucking tube. 



GEOGRAPHICAL DISTRIBUTION OF NATIVE PLANTS 

 IN SOUTH AUSTRALIA. 



List of Keepers, Assistants, and Orders. 



1. Prof. J. B. Cleland. Miss M. L. Benda, Miss F. Watson, 

 Mr. A. J. Morison. Orders, Nos. 1 to 12 and 83. 



2. Prof. T. G. B. Osborn. Mr. and Mrs. Elliott and Misses 

 E. D. Macklin and Illingworth. Orders, Nos. 13 to 22 and 41 

 to 47. 



3. Mr. W. Ham. Miss E. Hocking, Mr. A. G. Edquist. 

 Orders, Nos. 23 to 31 and 33 to 40. 



4. Mr. J. F. Bailey. Miss Roeger and Mr. W. H. Selway. 

 Orders, Nos. 48 to 60. 



5. Mr. W. C. Hackett. Mr. and Mrs. Pearce, Miss L. Mack- 

 lin. Orders, Nos. 61 to 75. 



6. Mr. J. A. Hogan. Miss C. A. Benda and Mr. Stokes. 

 Orders, Nos. 76 to 89 (except 83). 



7. Miss D. Featherstone. Miss Isabel Hackett, and Miss 

 Croker. Orders, Nos. 90 to 106. 



8. Mr. E. H. Ising. Misses A. and E. Simpson and Mr 

 Waddy. Orders, Nos. 32 and 107 to 117. 



The above order numbers are taken from Mr. Black's new 

 ''Flora of South Australia," Part L 



