152 Psyche [August 



Fig. 20-31. Akerm.es secretus, sp. nov., all adult female 

 except first two and figure twenty-five. Fig. 20, antenna of 

 larva, XI53; Fig. 21. leg of larva, kl53; Fig. 22. adult female, 

 group of derm pore sorts, XIOOO; Fig. 23. outline in optical 

 section, showing parts, and arrangement of ventral multilocular 

 disk pores, X8: Fig. '24. section of dorsal derm in abdominal 

 region, showing tendency of small simple pores to group in 

 clusters of four, X40; Fig. 25. larva, margin of abdomen showing 

 long slender ventral setse, X80; Fig. 26. adult female, anal 

 plates, X80; Fig. 27. antenna, X153; Fig. 28. legs XI53; Fig. 

 29. ventral seta, XIOOO; Fig. 30. spiracle, X40; Fig. 31. marginal 

 spines, XIOOO. 



