Burmeister, Herman. 1846. The Organization of Trilobites, deduced from their Living Affinities; with a Systematic Review of the Species hitherto described. Edited from German by Bell, T. and Forbes, E. The Ray Society, London. 136pp. 1^st edition in English. Hardback, 36 x 27cm, in original publisher’s card boards and cloth binding. Very bumped corners and extreme wear to all cover edges. Cloth spine largely perished and hinges frayed and weak. The text is clean with wide margins. Pp. 53-58 corners torn with slight loss of text to pp. 55-56. Six engraved plates have marked water damage and limited foxing. In poor to fair condition. Rare; only 3 institutional copies found.  Burmeister’s original was published in 1843. The Ray Society was instituted in 1844. A contemporary review of the German edition from the 1845 Quarterly Journal of the Geological Society is included