Went today to the Oliemeulen and can add some species to my list :
48) Egyptian cobra ( Naja haje )
49) Freckled monitor ( Varanus tristis )
50) Gorongosa girdled lizard ( Cordylus mossambicus )
51) Common flat lizard ( Platysaurus intermedius )
52) Henkel's leaf-tailed gecko ( Uroplatus henkeli )
53) Veiled chameleon ( Chamaeleo calypfratus )
54) Smooth-fronted caiman ( Paleosuchus trigonatus )
55) Caiman lizard ( Dracaena guianensis )
56) Crested lizard ( Correlophus ciliatus )
57) Merten's water monitor ( Varanus mertensi )
58) American alligator ( Alligator mississippiensis )
59) Diving lizard ( Uranoscodon superciliosus )
60) Crocodile monitor ( Varanus salvadorii )
61) Ocellated lizard ( Timon lepidus )
62) Beaded lizard ( Heloderma horridum )
63) Corn snake ( Pantherophis guttatus )
64) Red tegu ( Tupinambis rufescens )
65) Beautiful pitviper ( Trimeresurus venstrus )
66) Mourning gecko ( Lepidodactylus lugubris )
67) Green tree monitor ( Varanus prasinus )
68) Pancake tortoise ( Malacochersus tornieri )
69) Indian star tortoise ( Geochelone elegans )
70) Dumeril's boa ( Acrantophis dumerili )
71) Western diamontback rattlesnake ( Crotalus atrox )
72) Spotted turtle ( Clemmys guttata )
73) William's electric blue gecko ( Lygodactylus williamsi )
74) White-lipped pitviper ( Trimeresurus albolabris )
75) Woma ( Aspidites ramsayi )
76) Golddust day gecko ( Phelsuma laticauda )
77) Green anole ( Anolis carolinensis )
78) Eastern kingsnake ( Lampropeltis getulus )
79) Green treepython ( Morelia viridis )
80) Green water dragon ( Physignathus cocincinus )
Saw a lot more species today - even 2 lifers ! - but these don't count for the challenge because these were at a herp-shop

( even so, made several nice pictures of them

).