TULLGREN, HYMENOPTERA ACULEATA FROM THE CAMEROONS. 463 



Explanation of the plates. 

 Plate 22. 



Fig. 1. Salius ochropus Stål, a face, b forewing. 

 » 2. Salius magnificus Tullgr. n. sp., a male, b feraale. 

 » 3. Salius nigricans Tullgr., a face, b forewing. 



Plate 23. 



Fig. 4. Salius camerunensis Tullgr. u. sp., a face, b forewing. 



» 5. Salius uigricornis Tullgr. n. sp., a face, b forewing. 



» 6. Pompilus bifasciatus Tullgr. n. sp., a face, b forewing. 



» 7. Philanthus camerunensis Tullgr. n. sp., a female, b face. 



» 8. Eumenes gracillima Tullgr. n. sp., face. 



Plate 24. 



Fig. 9. Synagris trispinosa Tullgr. n. sp., a male, b face of c?, 

 c face of $, d profile of 0*» e forewing. 

 » 10. Synagris rufopicta Tullgr. n. sp., a face, b forewing. 



Plate 25. 



Fig. 11. Synagris uncata Tullgr. n. sp., a face, b forewing. 



» 12. Synagris 4-punctata Tullgr. n. sp., a female, b face. 



» 13. Odynerus falcatus Tullgr. n. sp., a face, b forewing. 



» 14. Belenogaster occidentalis Tullgr. n. sp., face. 



» 15. Polistes inornatus Tullgr. n. sp., a face, b forewing. 



