LIST OF ILLTTSTRATIONS. XIII 



Page, 



Pseumonyssus; beak, claws, and stigmal plate 54 



Halarachne americana 54 



ILrmogamasus americamis and anal plate 54 



Gamasus sp 55 



Gamasus sp. , nymph 55 



Gamasus sp. , larva 55 



Hyletastes sp. and anal plate 57 



Hyletastes oralis ( Pergande ) 57 



Sejus quadripilis 58 



Laiaps mexicanus, mandible, and enlarged hair 58 



Liclaps macropilis and caroncle of tarsus IV 59 



Macrocheles carolinensis; female 59 



Macrocheles carolinensis; venter of female 60 



Macrocheles spinatus; legs II and IV of male . . 60 



Megisthanus floridanus 60 



Antennophorus uhhnanni (after Haller) 61 



Celsenopsis americana 61 



Liroaspis americana 61 



Uropoda; caroncle and peritreme 62 



Uropoda sp 62 



Uropoda sp. , from below 62 



Cilliha hirsuta from below 63 



Dinychus americanus 63 



Leg, mandible, and pseudostigmatic organ of an Oribatid 64 



Hoploderma sphxrula 64 



Phthiracarus sp. , closed up; ventral vieW' 65 



Galumna sp. , from below 65 



Nymph of a Galumna 65 



Galumna hubbardi 66 



Oribatella armata 66 



Oribatella sp. (Pergande) 67 



Liacarus nitidus 67 



Liacarus sp. , nymph 67 



Eremeeus pilosus (Pergande) 68 



Oribata gracilipes .- , 69 



Venter of Oribata 69 



Claw of an Oribata 69 



Larva of an Oribata 69 



Oribata minuta 70 



Gymnobates glaber 70 



Oripoda elongata (Pergande) 70 



Carabodes brevis 72 



Oymberemseus marginalis 72 



Neoliodes concentricus 72 



Venter of a Nothrus 73 



Nothrus banksi 73 



Nothrus truncatus 73 



Beak and claw of Pediculoides 74 



Pediculoides ventricosus, female 74 



Pediculoides ventricosus, male 75 



Pediculoides ventricosus, gravid female (Bureau of Entomology) 75 



Tarsonemus pallidus 76 



Tarsonemus latus, female 76 



