"Annelidan" Quotes from Famous Books
 ... primitive Annelid ancestors, how account for Amphioxus and the Ascidians, which seem to be the most primitive living Vertebrates and yet show no particular annelidan affinities? Dohrn tries to answer this awkward question by showing that these forms are not primitive but degenerate. He points out first that Cyclostomes are degenerate fish, half specialised and half degraded in adaptation to a parasitic mode of life. He thinks that if an Ammocoetes were ...
— Form and Function - A Contribution to the History of Animal Morphology • E. S. (Edward Stuart) Russell |
