Using this photo   The thumbnail photo (128x192 pixels) on this page may be freely used for personal or academic purposes without prior permission under the Fair Use provisions of US copyright law as long as the image is clearly credited with Charles Thoreau Townsend © California Academy of Sciences.

Permission is granted to use the enlargement for personal, academic, or non-profit purposes as long as the user fills out the following form: https://forms.gle/R2ZUig8o8iYj4TrW9 and the image is clearly credited with Charles Thoreau Townsend © California Academy of Sciences. For higher resolution images or commercial use please fill out this form: https://forms.gle/QKoVskQBcnYZPbrD6. Please make sure to include the 16 digit ID number for the image.