FIGURE 3.

Second caudal vertebrae of <i>Brachiosaurus altithorax</i>
and <i>Brachiosaurus brancai</i>, equally
scaled. <b>A</b>, <b>B</b>, <i>B</i>. <i>altithorax</i> holotype FMNH
P 25107;
<b>C</b>-<b>G</b>, <i>B</i>. <i>brancai</i> referred specimen HMN
Aa. <b>A</b>, <b>C</b>, posterior; <b>B</b>, <b>D</b>, <b>F</b>, right
lateral; <b>E</b>, <b>G</b>, anterior. <b>A</b>-<b>B</b> modified from
Riggs (1904:pl. LXXV); <b>C</b>-<b>E</b> modified from Janensch
(1950a:pl. 2), <b>F</b>-<b>G</b> modified from Janensch
(1929:fig. 15). Scale bar equals 50 cm.  3