40 
Psyche 
[February 
Abbreviations. 
The Arabic subscripts indicate the branches of the veins in 
question, and a plus sign denotes a coalescence of veins. A=Anal 
ve i nS ; a t=alatenaculum ; ax=axillary or second anal vein; 
Cu=cubital veins; M=median veins; pt=pterostigma; R= 
radial veins; Rs=radial sector; Sc=subcostal vein. 
Explanation of Plates I, II, and III. 
All figures are of right fore wings. The primitive reticulation 
(alarete or archidictyon) is partially or wholly omitted in some 
cases as is also true of many of the cross veins. 
Fig. 1. — Psocid Archipsocus recens, from Crampton, 1921, after 
Enderlein, 1903. 
Fig. 2. — Psocid Amphientomum paracloxum, redrawn from 
Tillyard, 1918. 
Fig. 3. — Zorapteron Zorotypus snyderi, from Crampton, 1921. 
Fig. 4. — Protorthopt-eron Lepium elongatum, redrawn from 
Handlirsch, 1920. 
Fig. 5. — Hypothetical stage intermediate between Fig. 7 and 
Fig. 3.* 
Fig. 6. — Hapalopteroid Ilapaloptera gracilis , redrawn from 
Handlirsch, 1920. 
Fig. 7. — Embiid Oligotoma saundersi, from Crampton, 1921, 
after Wood-Mason, 1883. 
Fig. 8.— Embiid Donaconethis abyssinica redrawn from Corn- 
stock, 1918 after Enderlein, 1912. 
Fig. 9.— Protorthopt-eron Liomopterum ornatum, redrawn from 
Handlirsch, 1920. 
Fig. 10. — Hadentomoid Hadentomum americanum, from Cramp- 
ton, 1921, after Handlirsch, 1906. 
Fig. 11. — Plecopteron Zelandobius confusus, redrawn from 
Tillyard, 1921. 
Fig. 12. — Protoblattid Asyncritus reticulatus, redrawn from 
Handlirsch, 1920. 
Fig. 13. — Plecopteron Eusthenia spectabilis, redrawn from 
Comstock, 1918. 
