Paper, 'On the progressive paralysis of the different classes of nerve cells in the superior cervical ganglion' by J N [John Newport] Langley and W [William] Lee Dickinson The authors write: 'It is well known that by stimulating the sympathetic nerve in the neck the following effects can be produced :—(1) Retraction of the nictitating membrane; (2) protrusion of the eyeball and opening of the eye; (3) turning the eye, if previous to stimulation the optic axis is directed nasally, so that the optic axis is directed straight forwards, or it may be forwards and a little outwards.' Annotations in pencil and ink throughout. Subject: Neuroscience / Physiology Received 15 March 1890 / 21 March 1890. Read 27 March 1890. A version of this paper was published in volume 47 of the Proceedings of the Royal Society as 'On the progressive paralysis of the different classes of nerve cells in the superior cervical ganglion'. 1890