6 CONTENTS 



, Page. 



Genus Natrix Laurenti °" 



Natrix stolata (Linnaeus) ""^ 



Natrix spilogaster (Boie) .-- — °° 



Natrix chrysarga (Schlegel) ' "' 



Natrix auriculata (Glinther) ^^ 



Natrix crebripunctata (Wiegmann) 91 



Natrix lineata (Peters) -- "-^ 



Natrix dendrophiops Giinther _ 95 



Natrix dendrophiops dendrophiops (Giinther) 95 



Natrix dendrophiops negrosensis Taylor 97 



Genus Oxyrhabdium Boulenger .._ 99 



Oxyrhabdium modestum (Dumeril and Bibron) 100 



Oxyrhabdium leporinum (Giinther) 103 



Genus Cyclocorus Dumeril and Bibron 105 



Cyclocorus lineatuS (Reinhardt) 106 



Subfamily Homalopsin^ - 110 



Genus Hurria Daudin 110 



Hurria rynchops (Schneider) Ill 



Hurria microlepis (Boulenger) 114 



Genus Fordonia Gray 115 



Fordonia leucobalia (Schlegel) 115 



Subfamily Langahin^... 116 



Genus Hologerrhum Giinther 116 



Hologerrhum philippinum Giinther _ 116 



Subfamily CoeonelliN/E 117 



Genus Ophites Wagler 118 



Ophites aulicus (Linnseus) .--.. 120 



Ophites tessellatus (Jan) 124 



Ophites subcinctus (Boie) 124 



Genus Haplonodon Griffin -- -.- 126 



Haplonodon philippinensis Griffin _ 126 



Genus Stegonotus Dumeril and Bibron 129 



Stegonotus muelleri Dumeril and Bibron 129 



Stegonotus dumerilii Boulenger 130 



Genus Dryocalamus Giinther _ 131 



Dryocalamus philippinus Griffin 132 



Genus Zaocys Cope - _. 134 



Zaocys luzonensis Giinther _ 135 



Zaocys carinatus Giinther__ 136 



Genus Holarchus Cope 138 



Holarchus meyerinkii (Steindachner) 139 



Holarchus ancorus (Girard) _ __ 140 



Holarchus maculatus Taylor I43 



Holarchus burksi Taylor, I45 



Genus Oligodon Boie 14t5 



Oligodon modestus Giinther -- I47 



Oligodon notospilus Giinther 148 



Oligodon iwahigensis Griffin I49 



Oligodon schadenbergi Boettger I5I 



Genus Gonyosoma Wagler _ __ _ 150 



Gonyosoma oxycephalum (Boie) 152 



