XXX. On the cutaneous pigmentary system of the frog
Philosophical transactions of the Royal Society of London, 1858-12, Vol.148, p.627-643
Scanned images copyright © 2017, Royal Society ;ISSN: 0261-0523 ;EISSN: 2053-9223 ;DOI: 10.1098/rstl.1858.0030
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