ILLUSTRATIONS, 



Page. 



Fig. 24. Perilampus hyalinus: Planidium, ventral view 40 



25. Perilampus hyalinus: Planidium, dorsal view 40 



26. Pupa of Varichseta aldrichi, parasitized by Perilampus hyalinus; pupa 



of same unparasitized; planidium of Perilampus hyalinus, before and 



after feeding 46 



27. Perilampus hyalinus: Mature larva 47 



28. Perilampus hyalinus: Fresh pupa 48 



29. Perilampus hyalinus: Pupa just previous to eclosion 48 



30. Perilampus, "species A" : Planidium, ventral view 56 



31. Perilampus, "species A" : Planidium, dorsal view 56 



IV 



