Mozart, [347].

Myer (Gen. A.), [9], [55], [56].

Newcomb, [9], [34], [270].

Newton, [21], [80], [228], [241], [280].

Nichol, [9], [80], [164], [188], [238], [262], [263], [265], [278], [279].

Perry, [77].

Petit, [215].

Pickering (Prof.), [258].

“Popular Science Monthly,” [57], [113].

Proctor, [9], [24], [27], [35], [36], [37], [45], [46], [47], [51], [75], [78], [80], [97], [99], [108], [111], [145], [156], [157], [159], [166], [179], [182], [184], [191], [199], [200], [201], [204], [206], [207], [212], [220], [224], [231], [232], [234], [237], [253], [255], [258], [299], [302].