Vol. s2-48, Issue 142, 1869July 01, 1869 EDT
Notes on the Structure of the Crinoidea, Cystidea and Blastoidea
Notes on the Structure of the Crinoidea, Cystidea and Blastoidea
E. Billings,
Billings, E. (1869). Notes on the structure of the Crinoidea, Cystidea and Blastoidea. American Journal of Science, s2-48(142), 69–83. https://doi.org/10.2475/ajs.s2-48.142.69