XXXViii SYSTEMATIC INDEX. 
Page 
Family MYLIOBATID^ 109 
Myliobatis 109 
dixoiii 109 
striatus 112 
gonioplourus 115 
toliapicus 110 
, latidens 118 
stokcsii 118 
angustidens 119 
(?) fcumidens 119 
Ehinoptera 125 
daviosii 126 
studeri 127 
woodwardi 127 
Aetobatis 127 
irregularis 128 
marginalis 129 
Apocopodon 132 
Ptyebodus 132 
mammillaris 133 
rugostiH 136 
oweni 138 
deourrens 138 
polygyrus 143 
multistriatus 146 
latissimus 147 
mortoni 149 
Family TEYGONID^ 152 
Trygou 152 
Tseniura . . . . 152 
Xiphotrygon 153 
acutidens 154 
Urolophus 154 
princeps . . . . ' 154 
Cyclobatis 155 
oligodactylus 155 
