FIGURES 1–8. Osteoglossum formosum Müller & Schlegel, 1840. From Müller & Schlegel 1840-1845, reproduced at ca. ½ of
original size, with original captions.1. Osteoglossum formosum; a little more than half of the natural size; 2. Dorsal view of the
skull; natural size; 3. Lateral view of the skull; natural size (gill cover removed); 4. Central bony element of the tongue; natural
size; 5. Lateral view of scale from the centre of the flank, showing the mucus canal of the lateral line; natural size (the light part
shows the hidden area, the dark part the exposed area); 6. A small piece of the exposed part of the scale; enlarged; 7. A small
piece of the hidden part of the scale; enlarged; 8. Outline of the body in a transverse section.