The Panamic deep sea Echini / by Alexander Agassiz.

v.31 (1904) text

Phylogeny of the Echini, with a revision of Palaeozoic species.

Text

Revision of the Echini / by Alexander Agassiz.

no.7 (1872-1874) plates

Revision of the Echini / by Alexander Agassiz.

no.7 (1872-1874) text

Echini, crinoids, and corals / by Alexander Agassiz and L. F. de Pourtalès.

no.8, pts.1-2 (1874-1875)

Hawaiian and other Pacific Echini / by Alexander Agassiz and Hubert Lyman Clark.

v.34:no.1 (1907)

Jamaican fossil Echini / by Benjamin Walworth Arnold and Hubert Lyman Clark. With descriptions of new species of Cainozoic Echinoidea / by Herbert L. Hawkins.

v.50:no.1 (1927)

Hawaiian and other Pacific Echini / by Alexander Agassiz and Hubert Lyman Clark.

v.34:no.2 (1908)

Some additional fossil Echini from Jamaica / by Benjamin Walworth Arnold and Hubert Lyman Clark.

v.54:no.2 (1934)

Hawaiian and other Pacific Echini / by Alexander Agassiz and Hubert Lyman Clark.

v.34:no.3 (1909)

Echini. The genus Colobocentrotus / by Alexander Agassiz.

v.39:no.1 (1908)

Hawaiian and other Pacific Echini / by Alexander Agassiz and Hubert Lyman Clark.

v.46:no.1 (1914)