1884. | Pitch-pipes and Flageolets. 507 
or pieces, viz, the body and cover, Fig. 10 U (Plate xvir) 
and Fig. 1 A (Plate xvn). The grotesque whistle, Fig. 8 (Plate 
xvu), shows the jointure of its several parts, and for this reason 
it has been chosen for description. The mouth-tube, Figs. 10 T, 
9 H (Plate xvii), is of simple construction, having been made 
upon a round form, narrowest at the end approaching the body 
portion, see Fig. 10 G (Plate xvi). This illustration has been 
drawn from an instrument in which the body cover, or top, has 
been removed. It will be seen that the mouth-tube is held in 
position by the clay flaps, on either side, opposite a small hole in 
the body of the whistle, thus directing the current of air into its 
hollow interior. The body was, without doubt, modeled upon a 
Semi-ovate form, the perforated top being added after it was with- 
drawn. The position of the body varies in different whistles, but 
in most cases is tilted, with the flat top-piece (or cover of the 
semi-ovate body) forward and inward, thus placing the sound- 
mols exactly in front of the narrow end of the tubular mouth- 
piece, Fig. 10 G (Plate Xvi), conducting the air within, and 
making the necessary vibration to produce sound. The body 
cover serves two purposes, that cf uniting the body and mouth- 
tube firmly together, also that of reflecting sound outward, after ` 
ts production in the semi-ovate cavity. 
The four-holed Nahuatalac flageolet of terra-cotta, found near 
fzcuco, Fig. 4 (Plate xix), shows a superior knowledge in its 
construction, power and variety of sound to any other wind in- 
strument of music manufactured by the North American abo- 
“poes excepting, of course, those manufactured by the Inca 
tele An examination of the various parts of the four- 
"a t Aesenean flageolets of terra-cotta will demonstrate that 
(P o : ave been made in four parts. viz., the clay reed, Fig. 2 A 
„ate XIX), shown by the dotted lines; neck-covering, or flap, 
Ks eee XIX); the body, Fig. 3 D, and the bell, or foot, Fig: 
(Plate XIX). Sections of these instruments, Figs. 5, 6, 7 (Plate 
» Made in Profile, indicate that they were modeled upon round 
forms. That of the body portion is narrowest at the 
bell end, Fig. 7 F which 
Selig and 5 K. The shape of the form upon wai 
6, piece was modeled, is shown by the dotted lines in F ig. 
appr, cting at the sound-hole, and gradually expanding as a 
tsan the mouth end, F ig.6U. The finger-holes (four in 
er) have been perforated through the body Fig. 8, from the 
