The accomodation of the eye to distances / by William Clay Wallace.

  • Wallace, William Clay
Date:
1850
Catalogue details

Licence: Public Domain Mark

Credit: The accomodation of the eye to distances / by William Clay Wallace. Source: Wellcome Collection.

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

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    the attachments are firmest, and in the striped bass (labrax lineatus), the muscle is triangular, and passes through a loop at the back of the iris before tbeing in- serted into the membranes of the vitreous humor. When Fig. 10. Fig. 11. Fig. 10. Mode of attachment of the campanula Halleri to the lens and the vitreous humor, in the striped bass. Fig. 11. The same, with the campa- nula unfolded. Fig. 12. . Fig. 13. Fig. 12. Eye of the striped bass with the lens depending from the campa- nula, a. Fig. 13. Lateral view of the same m the natural position, h, Fat. c, Choroid gland. the muscle, which is supplied by a large branch of the third pair of nerves, contracts, the crystalline approaches the cornea, and virhen it is relaxed the crystalline is drawn back by the elasticity of the membranes of the vitreous humor, some of which passing through the retina at a line that, in animals furnished with spherical lenses, divides the lower portion of the tunic, are firmly fixed to the choroid. The campanula Halleri has, by some, been described as
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