Furbringer's enormous work Untersuchungen zur Morphologie and Systematik der Vogel, 4to., 2 vols.
- Well nigh complete lists of the enormous myological literature are contained in Fiirbringer's Untersuchungen zur Morphologie and Systematik der Vogel, and in Gadow's vol.
Ornithology, as might be expected from such a man as he was, placed the Pterylographie at the summit of those publications the appearance of which he had to record for the years 1839 and 5840, stating that for " Systematik" it was of the greatest importance.'
In 1888 there was published the huge monograph by Max Fiirbringer entitled Untersuchungen zur Morphologie and Systematik der Vogel.
Claus (Theoretische Betrachtungen and deren Anwendung zur Systematik der organischen Chemie) proposed his diagonal formula (III), and two years later, A.
Systematik der Fungi hypogaei," Ann.
I.-iii., Lund, 1848-1898), Analecta Algologica (Lund, 1892-1896); Till Algernes Systematik (Lund, 1872-1899); J.