Plate, 'Notommata gibba. Synchæta.' by P H [Philip Henry] Gosse Figures 42-47 (published as figures 38-43) showing the head, jaws, and ramus of the Notommata gibba and the jaws and mastax of the Synchæta tremula. Subject: Zoology / Physiology Published in Philosophical Transactions as 'On the structure, functions, and homologies of the manducatory organs in the class Rotifera'. Communicated by Thomas Bell. Received by the Royal Society on 5 January 1855. Read 22 February and 1 March 1855. [1854]