21. The terminal line has dark interveinal dots. 22. The crosslines are weakly marked and the terminal line is indicated by black interveinal spots. 23. The crosslines are untraceable except the terminal line which is indicated by black interveinal dots. 24. The crosslines are brown and the terminal line is only indicated by black interveinal dots. 25. The crosslines are brown, including the interveinal dots, which indicate the terminal line. 26. The crosslines are well marked and the terminal line is marked by tight black interveinal spots. 27. The subterminal line is waved and the terminal line is marked by tight black interveinal spots. 28. The subterminal line is weakly marked and the terminal line is marked by black interveinal spots. 29. The subterminal line is light brown and the terminal line is indicated by black interveinal dots. 30. The subterminal line is brown and the terminal line is only indicated by brown interveinal dots.
