EARLIEST DISCOVERIES FOOTPRINTS OF BATRACHIANS 

 LABYRINTHODENTS OF THE CARBONIFEROUS MICRO- 

 SAURIA OF THE CARBONIFEROUS OTHER TYPES DIS- 

 COVERIES IN ERECT TREES INVERTEBRATE AIR- 

 BREATHERS, LAND SNAILS, MILLIPEDES, INSECTS, SPIDERS 

 AND SCORPIONS GENERAL CONCLUSIONS 



