rshall, experiments on animals, 39

Merkel on male and female larynges, 90
---- on pyramids and registers, 99
---- on tension of ligaments, 67

Merkel's terms for registers, 90

Meyerbeer and the falsetto, 5

Midriff, 11
---- described, 12

Mixed voice, defined, 119

Mouth, its part in singing, 59
----, when to keep it shut, 29

Mozart studied voice before composing, 4

Mucous membrane, 61, 80

Mueller's experiments on larynges 7, 96

Muscles, back ring pyramid, 46, 48
---- governing pitch, 113
----, How to strengthen, 113
----, ligament tension theory, 67
----, Pyramid, 49

Muscles, Ring-shield, 41
----, ----, how change registers, 97
----, Shield-pyramid, 41
----, Shield-pyramid, how change registers, 97
----, Side ring-pyramid, 48
----, Summary of uses of, 49

Nasal tone, various theories, 60

Nose cavities, 59

Nostrils best adapted for breathing, 27

Nourrit and Duprez, 5

Novello, Sabilla, how tone is produced, 39

Palate, Soft, exercising, 121
----, ----, its movements, 59

Paris Conservatoire method of inspiration, 20

Pharynx, 58

Pitch, Mechanism affecting, 72
----, Rise of, strains voice, 4

Pronunciation for Singers, Ellis's, 120

Pyramids, how act in registers, 99
----, Levers of the, 36, 46
----, side view, 37
----, their shape and motion, 36, 82, 94

Register, Mechanism of thick, 94
----, Thick, described, 94
----, Thin, ", 98

Registers, Compass of the, 93
----, Teachers' Manual on, 87
----, definition, 86
----, described by Mme. Seiler, 94
----, distinguishing sex, 90
----, Evil of straining, 101
----, How ligaments act in, 86
----, how small is formed, 101
----, how upper thick formed, 95, 97
----, Images of, 84, 85
----, Laryngoscope and sub-division of, 91
----, "Mixed voice", 118
----, optional tones, 118
----, places of break, 87, 96
----, Straining of, 95
----, Three female voice, 88
----, to equalise, not expose, 116
----, Two male voice, 138
----, Upper and lower thick, 96
----, ---- ---- ---- thin, 100
----, what laryngoscope teaches, 104

Resonator changes by vowel, 70
----, effect of formation, 58
----, its parts, 9, 56

Respiration described, 13

Ribs, 11

Ring cartilage, 31, 32

Ring-shield muscles, 41, 70

Roger, the French tenor's style, 4, 6

Rossini on decline of vocal art, 2

Seiler, description of the registers, 92
----,