Vol. s3-11, Issue 63, 1876March 01, 1876 EDT
On the Structure of [Obolella chromatica.
On the Structure of [Obolella chromatica.
Elkanah Billings,
Billings, E. (1876). On the structure of [Obolella chromatica. American Journal of Science, s3-11(63), 176–178. https://doi.org/10.2475/ajs.s3-11.63.176