The changes which occur in the muscles of a beetle, thymalus marginicollis chevr., during metamorphosis
by Robert S. Breed
(Contributions from the Zoölogical Laboratory of the Museum of Comparative Zoölogy at Harvard College, No. 145)(Bulletin of the Museum of Comparative Zoölogy, at Harvard College, vol. 40 No. 7)
, 1903
Printed for the Museum
Zoölogical Laboratory of the Museum of Comparative Zoölogy at Harvard College