HD 77190. We see no
shell features neither in the blue, nor
in the red. The Paschen region shows a
normal R ratio (defined as P17/P12, see below) and the P15/P14 ratio is
consistent with the blue spectral type A 8 V. The only anomaly is that the O I
line is too strong for the type.
HD 81728. In the blue we see absorption cores in H4, 5 and 6. Fe II lines from
M.27 and 38 are enhanced, as well as Ti II, M.41 and 82. In the Paschen region
the R ratio is normal, but W(P14) is too strong for the spectral type A 2 V. Ca
lines are strong and narrow, which is in contradiction with the type, since at
A2 no Ca II should be visible. O I is strong and narrow. A shell is thus
certainly present.
HD 88195. In the blue,
Fe II lines (M.27, 38) and Ti II (M.41, 82) are enhanced.
In the red, H 3 has a strong and narrow
superposed central absorption core. In
the red, Fe II and Si II are too
strong for the type. In the Paschen region,
W(P14) is too strong for type V and the Paschen ratio corresponds to LC
(=luminosity class) III. O I is very strong and Ca II probably in emission,
since W(P15) 
(P14). A shell is thus certainly present.
HD 98058. In the blue one sees
no Balmer line cores, but Fe II (M.38) and Ti II
(M.41 and 82) lines are enhanced. In the red, H 3 is normal. In the Paschen
region the W(P14) and the ratio W(P14)/W(15)
are consistent with the blue
spectral type. However the R ratio
corresponds to LC III and O I is too strong
for the type. A weak shell is thus present.
HD 103287. In the red H 3 seems normal,
as well as the metallic lines. In the
Paschen region the W(P14) and the W(P14)/W(P15)
ratio are both consistent with
the A 0 V spectral type. The R ratio is normal and
O I is also practically
normal.
HD 108283. In the blue we observe
a rich shell spectrum with enhanced lines of
Sc II (M.7), Ti II (M.40, 41, 82), Cr II (M.30),
Fe II (M.2, 28,37, 38, 42) and
Sr II (M.1). In the Paschen region, W(P14) is too strong and the R ratio
corresponds to LC III. Ca II lines are narrow and OI is strong for the type,
although weaker than in 1991. A shell is thus present.
HD 112028. In the red one observes a
clear central absorption core in H 3 and
the metallic lines are enhanced. In the
Paschen region, the ratio R corresponds
to LC III, Ca II lines are narrow, a fact which disagrees
with the blue spectral
type A 1. Furthermore the profiles of P13, 15 and 16 are deformed on the red
border, which implies probably a structure unresolved at our dispersion. O I is
very strong. The Paschen spectrum agrees with the 1991 description. A shell is
present.
HD 118232. In the red, H 3 has a normal
profile, but W(H 4) is too large.
In the Paschen region, the R ratio is normal, but W(P14)
is too large and the
ratio W(P15)/W(P14) is abnormal,
which is probably due to Ca II in emission,
since W(P14) 
(P15). O I is very strong,
although smaller than in 1991. A
shell is present.
HD 138629. In the red, H3 has a normal profile, but W(H 4)
is too large. The R
ratio is normal and the strength of P14 and the W(P14)/W(P15)
ratio are both
compatible with the spectral type. O I is also about normal for the type. No
clear evidence of a shell.
HD 148283. In the blue, the hydrogen lines have normal profiles and there are
only indications of a few weak shell lines of Fe II (M.27,38) and Ti II
(M.41, 82). In the red H3 also has a normal profile and the metallic lines are
weak for the type. In the Paschen region the R ratio is normal and the strength
of P14 and the ratio W(P14)/W(P15) are normal for the type. O I is normal or
weak for the type. Weak shell present.
HD 151431. In the blue, the Balmer
lines have normal profiles and only a few Ti II lines are
somewhat stronger than expected. In the Paschen region the R ratio
corresponds to LC III and both W(P14) and the ratio W(P14)/W(P15)
are abnormal.
O I is too strong for the type. A shell is present.
HD 158352. In the blue, there are no clear
indications of a shell. The R ratio,
W(P14) as well as the W(P14)/W(P15)
ratio are normal for the type. Also O I is
about normal, in contrast to 1991 when
it was definitely stronger. Apparently
the shell has weakened or disappeared.
HD 164577. In the blue, no clear
traces of a shell are seen. In the Paschen
region, W(P14) is strong for the type
and the R ratio corresponds to LC III. O I
is normal. A shell is present.
HD 192518. In the blue one observes strong Fe II lines from M.37 and 38. In the Paschen region, W(P14) is too strong for the type and the R ratio corresponds to LC III. O I is strong, but has not changed from 1991. Evidence of a shell.
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