Pertaining to the skeleton.

The skeleton.

Materials and Methods For this report, data has been obtained from 2829 preserved frogs, 42 skeletal preparations, 8 lots of tadpoles and young, and 4 lots of eggs. – Middle American Frogs of the Hyla microcephala Group by William E. Duellman M. J. Fouquette

It has been shown that the long skeletal processes which grow out from these organisms have significance not merely as a supporting skeleton, but also as an extension of the superficial area, which increases the contact with the water- particles, and prevents the floating organisms from sinking. – Darwin and Modern Science by A.C. Seward and Others