Sea urchins
                                Date
                            
                            
                                1872
                            
                            
                        
                            
                            
                            
                                Creator - Organisation
                            
                            
                            
                        
                            
                            
                            
                                After
                            
                            
                                Antoine Sonrel (Swiss-born American) , Illustrator
                            
                            
                        
                            
                            
                            
                                Object type
                            
                            
                            
                        
                            
                            
                            
                                Material
                            
                            
                            
                        
                            
                            
                            
                                Technique
                            
                            
                            
                        
                            
                            
                            
                                Dimensions
                            
                            
                                height (print): 226mm
width (print): 166mm
height (mount): 284mm
width (mount): 210mm
                            
                        
                            
                            
                            width (print): 166mm
height (mount): 284mm
width (mount): 210mm
                                Subject
                            
                            
                            
                        
                            
                            
                            
                                Content object
                            
                            
                            
                        
                            
                            
                            
                                Description
                            
                            
                                Marine zoological studies of five specimens of echinoids.
Figure 1. Prionocidaris bispinosa (here styled Stephanocidaris bispinosa).
Figure 2. Imperial urchin Phyllacanthus imperialis.
Figure 3. Plococidaris verticillata (here styled Phyllacanthus verticillata).
Figures 4-5. Prionocidaris baculosa (here styled Phyllacanthus baculosa).
Figures 6-7. Phyllacanthus dubius (here styled Phyllacanthus dubia).
Plate 1f accompanying the paper ‘Illustrated catalogue…Revision of the echini’, by Alexander Agassiz, Memoirs of the Museum of Comparative Zoology at Harvard College, v.3 (Cambridge Mass., 1872-1873), plates.
Inscribed above: ‘A. Aggassiz, Revision of the Echini. PL.If’. Inscribed below: A.Sonrel photo. American photo-Relief Co., Printers, Phila.’
 
Alexander Emmanuel Rodolphe Agassiz (1835-1910) Swiss-born American marine biologist and engineer.
                            
                            
                        
                            
                            
                        
                            
                            
                        
                    Figure 1. Prionocidaris bispinosa (here styled Stephanocidaris bispinosa).
Figure 2. Imperial urchin Phyllacanthus imperialis.
Figure 3. Plococidaris verticillata (here styled Phyllacanthus verticillata).
Figures 4-5. Prionocidaris baculosa (here styled Phyllacanthus baculosa).
Figures 6-7. Phyllacanthus dubius (here styled Phyllacanthus dubia).
Plate 1f accompanying the paper ‘Illustrated catalogue…Revision of the echini’, by Alexander Agassiz, Memoirs of the Museum of Comparative Zoology at Harvard College, v.3 (Cambridge Mass., 1872-1873), plates.
Inscribed above: ‘A. Aggassiz, Revision of the Echini. PL.If’. Inscribed below: A.Sonrel photo. American photo-Relief Co., Printers, Phila.’
Alexander Emmanuel Rodolphe Agassiz (1835-1910) Swiss-born American marine biologist and engineer.