NOTODONTIXA 177 



originate from a non-existent form slightly anterior to that 

 family and having vein 5 of the hind wings fully developed. 



PHYLOGENY OF NOTODONTINA. 



Sterrhidae 



I 

 Hydriomenidae Geometridae Polyplocidae Sphingidae Saturniadae 



! I | I I 



I I 



Monocteniadae Selidosemidae Notodontidae [Bombycidae] 



I ! ! I 



I 



[Eupterotidae] 



TABULATION OF FAMILIES. 



1. Hind wings with 7 from upper margin of cell . 2. 



7 from angle of cell . . 3. 



2. Hind wings with 8 approximated to 7 beyond cell 



6. POLYPLOCIDAE. 

 8 remote from 7 . 9. SATURNIADAE. 



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



5 fully developed . . 5. 



4. Hindwings with 8 connected with cell towards middle 



8. NOTODONTIDAE. 

 ,,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 veiri . . 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 with 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. 



N 



