Blaschka Marine Invertebrates: Syphonota punctata, no. 500 : Syphonota viridescens, no. 501 : Pleurobranchus grandis, no. 496

Blaschka Marine Invertebrates: Syphonota punctata, no. 500 : Syphonota viridescens, no. 501 : Pleurobranchus grandis, no. 496, 95574. The Rakow Research Library Manuscript Collection. https://archivesspace.cmog.org/repositories/3/digital_objects/581 Accessed March 21, 2023.