SYSTEMATIC INDEX. XXXi 
Family PYCYODOiN'TIDiE ( continued ). 
Page 
Microdon wagneri.225 
--egertoni.226 
--sauvanausi.226 
-itieri.227 
-hugii.227 
-minutus.229 
-quincuncialis.229 
-- pagoda.230 
-biserialis.230 
-(?) discoides.231 
Gyrodus.233 
-macrophthalmus.233 
-hexagonus.234 
-frontatus.235 
-circularis.238 
-cuvieri.240 
-minor.242 
-coccoderma.243 
-planidens.244 
-murchisoni.244 
--(?) cretaceus.245 
Stemmatodus.248 
-rhombus.248 
Coelodus.249 
-satumus.250 
— -suillus.250 
-rosthorni.251 
— -grandis.251 
-costae.252 
-mantelli.252 
—— gyrodoides.254 
-ellipticus.254 
-inaequidens.255 
-cantabrigiensis.256 
—— fimbriatus.256 
-parallelus.256 
