BY R. J. TILLYARD. 649 



In conclusion, I wish to acknowledge the kind and ready help 

 of my friend, Dr. Ris of Rheinau, Switzerland, in supplying 

 information on nearly allied species and in generously giving me 

 the benefit of his experienced opinion on some of the more difficult 

 iorms described in this paper. 



EXPLANATION OF PLATE XIV. 



Fig. 1. — Camacinia Othello, n.sp.,^ nat. size. 

 Fig. 2. — Rhyothemis Alcestis Tilly ard >( ^ nat. size. 

 Fig.3. — Agrionoptera regalis,n.sip., ( ? nat. size. 

 Fig.4. — Nannophlebia eludens, n.sp. )C f nat. size. 

 Fig. 5. — Tetrathemis cladophila, n.sp.,J* nat. size. 



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