238 



The Irish Naturalist. 



September, 



7. Internal process on stipes of male armature F. rufa, 1 Magnified 16 

 vii. ,, ,, ,, ,, V. aiistriaca.) \X\3i^s. 



8. Extremity of stipes of male armature, typical" 



V. rufa. 

 viii. Extremity of stipes of male armature, typical 



V. atistriaca, ' Magnified 32 



9, 10.^ Extremity of stipes of male armature, V. rufa [times. 



! varieties, 



ix, X. I Extremity of stipes of male armature, V. 

 J atistriaca varieties. 



II. Third leg of male Vespa rufa. 

 xi. ,, „ V. austriaca. 



12, 14. A Dorsal and lateral views of base of abdomen, 

 j- male V. rtifa, to show variation in form and 



. Magnified 

 I times. 



13,15.^ markings, 



xii., xiv. ^ Dorsal and lateral views of base of abdomen, 

 V male V. austriaca, to show variation in form 

 xiii., XV. J and markings. 



16. Labium and tongue of female Vespa rufa. "^ 



xvi. ,, ,, ,, V. austriaca. I Magnified 



17. Tongue (short form) of female F. r///a. (times, 

 xvii. „ (long form) of female V. atistriaca. j 



18. Mandible of female Vespa rufa. 1 Magnified 

 xviii. ,, „ V. austriaca. /times. 



}■ are drawn respectively from the same individuals. 



The series of wasps studied in the preparation of this paper, as well as 

 the nest described, have been deposited in the Dublin Museum. 



Dublin Museum. 

 Fenagh, Co. Carlow. 



