Helminthology Asmund Rudolphi, Otto Friedrich Bernhard von Linstow and Johann Gottfried Bremser started systematic scientific studies of the subject. The Japanese parasitologist Satyu Yamaguti was one of the most active helminthologists of the 20th century; he wrote the six-volume "Systema Helminthum". Helminthology Helminthology is the study of parasitic worms (helminths), while helminthiasis describes the medical condition of being infected with helminths. Helminthology studies the taxonomy of helminths and their effects on their hosts. The origin of the first compound of the word is the Greek "ἕλμινς" - helmins, meaning "worm". In the 18th and early 19th century there was wave of
Creatures of the Cosmos here with animals is likely to appeal." Creatures of the Cosmos Creatures of the Cosmos is an anthology of fantasy and science fiction short stories for younger readers, edited by Catherine Crook de Camp. It was first published in hardcover by Westminster Press in 1977. It was the third such anthology assembled by de Camp, following the earlier "3000 Years of Fantasy and Science Fiction" (1972) and "Tales Beyond Time" (1973), both of which she edited together with her husband L. Sprague de Camp. The book collects eight tales by various authors, in each of which "a strange beast, or