KEY TO AMERICAN INSECT CALLS 



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105 



E.L.Beutenmaller 



Fig. 99- Dryophanta galls. 1-3. Polished oak gall. D. polita Bass. 4. S- D. rubrae 

 Karsch 6. Red sea urchin, D. echina O. S. 7. Clubbed oak leaf gall, D. clavula 

 Beutm. 8,9. D. pedunculata Bass. 10. D. ignota Bass. 11-12. D. cmereae 

 Ashm. (After Beutm., Am. Mus. Nat. Hist.) 



