PLATE I 



No. I. Mcjiathymus iirv.r»i<i Dyar i (Co-t>-pe). 



No. 2. Megathymus aryxna Eh-ar S underside. 



No. 3. Megathymus ary.rna Dj-ar 9 . 



No. 4. Megathym%is neumocgeni Edw. 9 (agrees with t>-pe). 



No. 5. Megathymus nfumot-gcni Edw. ij . 



No. 6. Megathymus neumoegeni Edw. S . 



No. 7. Megathymus neumoegeni Edw. S underside. 



No. 8l Megathymus yuecae coloradetisis Riley S- 



No. 9. Megathymus yuccae cohradensis Riley S (underside). 



