McGuffey's Fifth Eclectic Reader (Revised Edition)

Amazon.com Product Description (ISBN 0442235658, Hardcover)

Excerpt:
RULE III.--Avoid sounding incorrectly the unaccented vowels.
EXAMPLES.
Incorrect Correct Incorrect Correct ---------- ----------- ------------ ------------ Sep-er-ate sep-a-rate Mem-er-ry mem-o-ry met-ric-ul met-ric-al up-pin-ion o-pin-ion up-pear ap-pear prup-ose pro-pose com-per-tent com-pe-tent gran-ny-lar gran-u-lar dum-mand de-mand par-tic-e-lar par-tic-u-lar ob-stur-nate ob-sti-nate ev-er-dent ev-i-dent
REMARK I.--In correcting errors of this kind in words of more than one syllable, it is very important to avoid a fault which is the natural consequence of an effort to articulate correctly. Thus, in endeavoring to sound correctly the a in met'ric-al, the pupil is very apt to say met-ric-al'.