TY  - JOUR
T1  - Preliminary Communication on the Structure and Presence in Sphenodon and other Lizards of the Median Eye, Described by Von Graaf in Anguis fragilis
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 40
SP  - 559
EP  - 566
PY  - 1886/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1886.0081
M3  - doi:10.1098/rspl.1886.0081
AU  - Spencer, W.
ER  -