292 



A. P. COLEMAN 



Anodonta grandis, not reported from Canada. 



Sphaerium rhomboideum 



" striatinum 



" sulcatum 



" solidulum 



" similis (?) 



Pisidium Adamsi 



" compressum 



" novaboracense (?) 



Pleurocera subulare 



" elevatum 



" Lewisi (?) 



Goniobasis depygis 



" Haldemani 



Limnaea decidiosa 



" elodes 



Planorbis parvus 



" bicarinatus 



Amnicola limosa 



" porata 



" sagana 



Physa heterostropha 



" ancillaria 

 Succinea avara 

 Bythinella obtusa 

 Somatogyrus isogonus 

 Valvata sincera 



" tricarinata 

 Campeloma decisa 

 Bifidaria armata (land snail) 



In all there are thirty-nine undoubted species of mollusks, 

 and three more probably, included in the fauna. Of these eight 

 or ten have not been reported from Lake Ontario, but occur 

 farther south. 



FLORA OF WARM CLIMATE 



Acer pleistocenicum 



" spicatum 

 Asimina triloba 

 Carya alba 



Chamaecyparis sphaeroidea 

 Crataegus punctata 

 Cyperaceae sp. 

 Eriocaulon sp. 

 Fraxinus quadrangulata 



" sambucifolia 



" americana 



Festuca ovina 

 Hypnum sp. 

 Juniperus virginiana 

 Larix americana 

 Madura aurantiaca 

 Picea nigra 



" sp. 

 Pinus strobus 



BEDS, DON VALLEY 



Platanus occidentalis 



Populus balsamifera 

 " grandidentata 



Prunus sp. 



Ouercus obtusiloba 

 alba (?) 

 " rubra 

 " tinctoria 

 " oblongifolia 

 " macrocarpa 

 " acuminata 



Robinia pseudacacia 



Salix sp. 



Taxus canadensis 



Thuya occidentalis 



Tilia americana 



Ulmus americana 

 " racemosa 



Vaccinium uliginosum 



