Studien Zur Descendenz-Theorie - I : ueber den saison-dimorphismus der schmetterlinge mit zwei Farbendrucktafeln
Leipzig: Verlag von Wilhelm Engelmann 1875. First Edition. iv, 94, [2] pages plus 2 chromolithographed plates of butterflies. Spine and corners leather (worn, spine rebacked), over marbled boards. An ex-library copy with institutional bookplates, remainder of pocket in rear, and a few embossed stamps. Plates are bright, but have handwritten..... More