March 1987 Issue [Readings] Readings Download PDF Adjust Share by Rosamond Wolff Purcell, Stephen Jay Gould, This article is only available as a PDF to subscribers. Download PDF Tags 20th century Collection and preservation Harvard UniversityMuseum of Comparative Zoology Penguins Pictorial works More from Rosamond Wolff Purcell Book/nest Readings Illuminations Adjust Share