NOTODONTIXA 177 



originate from a non-existent form slightly anterior to that 

 family and having vein 5 of the hindwings fully developed. 



Phylogeny of Notodontina. 



Sterrhidae 

 Hydriomenidae Geometridae Polyplocidae Sjihingidae Saturniadae 



Monocteniadae Selidoseinidae Notodoiitidae rBonibvcidael 



1 ! L :i 



I 



[Eupterotidae] 



Tabulation of Families. 



1. Hindwings with 7 from upper margin of cell . 2. 



„ ,, 7 from angle of cell . . 3. 



2. Hindwings with 8 approximated to 7 beyond cell 



6. Polyplocidae. 

 „ ,, 8 remote from 7 . 9. Saturniadae. 



3. Hindwings with 5 imperfect or obsolete . . 4. 



,, ,, 5 fully developed . . 5. 



4. Hindwings with 8 connected with cell towards middle 



8. NOTODOXTIDAE. 



„ ,, 8 free or obsoletely connected 



near base only 5. Selidosemidae. 



5. Antennae thickened towards middle or posteriorly 



7. Sphingidae. 

 ,, not thickened . . . .6. 



6. Hindwings with 5 rising much nearer 6 than 4 



3. Geometridae. 

 „ „ 5 from about or below middle of 



transverse vein . . 7. 



7. Hindwings with 8 very shortly anastomosing with 



cell near base, thence rapidly 

 diverging . 2. Sterrhidae. 



„ ,, 8 approximated to or anastomosing 



with cell to middle or beyond . 8. 



8. Hindwings witli 8 free or shortly anastomosing with 



cell near base only 4. Monocteniadae 

 „ „ 8 anastomosing with cell to beyond 



middle or connected by bar be- 

 yond middle 1. Hydriomenidae. 



