The heart valves of the elasmobranch fishes. American Museum novitates ; no. 838

White, Edith Grace, 1890-2005-10-062005-10-061936http://hdl.handle.net/2246/416021 p. : ill ; 24 cm.Includes bibliographical refernces (p. 5).2173580 bytesapplication/pdfen-USQL1 .A436 no.838, 1936Chondrichthyes -- Anatomy.Heart valves.Sharks -- Anatomy.Chondrichthyes -- Phylogeny.The heart valves of the elasmobranch fishes. American Museum novitates ; no. 838Heart valves of elasmobranch fishestext