Frogs, left side: 1) Rhacophorus Reinwardti; 2) Argentine horned frog (Ceratophrys ornata); 3) Agile frog (Rana dalmatina, or Rana temporaria agilis) 4) European common frog (Rana temporaria platyrrhinus); 5) Moor frog (Rana arvalis, or Rana temporaria oxyrrhinus); 6) Edible frog or water frog (Rana esculenta); 7) Spawn and tadpoles (7a) of the Edible frog in different stages; right side: 1) Clown treefrog (Dendropsophus leucophyllatus, or Hyla leucophyllata); 2) Marsupial Frog (Nototrema marsupiatum); 3) European tree frog (Hyla arborea) with inflated throat; 4) Natterjack toad (Bufo calamita); 5) Midwife toad (Alytes obstetricans); 6 - 7) Fire-bellied toad (Bombina bombina, or Bombinator igneus) and frog belly (7). Wood engravings, published in 1897.