ITEM:
Stationery covers with imprinted stamps with first topical cancels, postally used prepaid, postage paid, prestamped, Ganzsachen, entiers, STE.
The postmarks are made in Cluj Napoca, the hometown of the first Speleological Instititute of the world.
SUBJECT/TOPIC:
This issue celebrates 100 years since the foundation of the Biospeleology by the Romanian scientist Emil Racovita.
The publication of his work “Essay on biospeleological problems”, in 1907, marked the birth of biospeleology, which he defined as the science of life forms from the underground environment (caves and underground waters). In 1920, founds, in Cluj, the first Speleological Institute of the world, where he remained director until 1947. One of his important work is “Speleology”, published in 1927. Emil Racovi?? was also President of the Romanian Academy (1926-1929), and later, between 1929 and 1930, he was appointed Rector of the Cluj University, where he taught the first course of general speleology of Romania.
The left cachet represents a crustacean (Typhlocirolana moraguesi), discovered by Emil Racovi?? in 1905, in the sweet water lake of the Devil Cave, in the Mallorca-Baleare Island.
Speleology, caves, cave animals, wildlife, insects, bear, prehistoric animals, microscope, Romania.
Höhlen, Höhletiere, Wildnis, Insekte, Bär, prähistorische Tiere, Mikroskop, Rumänien.
Cavernes, animaux de caverne, faune, insectes, ours, animaux préhistoriques, microscope, Roumanie.
Caverne, animali della caverna, fauna selvatica, insetti, orso, animali prehistoric, microscopio, Romania.
Cuevas, animales de la cueva, fauna, insectos, oso, animales prehistóricos, microscopio, Rumania.
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