1 hydrogen lines and metallic spectra are like in a B2 star, HeI appears 1 enhanced and H{beta} is in emission. 3 hydrogen and metallic lines belong to a spectral type B2; H{beta} and 3 FeII appear in emission. Stars 4 line K of CaII like in a B9 type; however, H lines and metallic spectra 4 are consistent with a B7 type. 7 line K of CaII like in a B9 type; however, H lines and metallic spectra 7 are consistent with a B7 type. 5 line K of CaII like in a B9 type, but H and HeI lines are like in a 5 B8 spectrum 12 line K of CaII like in a B9 type, but H and HeI lines are like in a 12 B8 spectrum 9 line K of CaII and HeI lines are like in a B5 type, H like in a B6 type 9 and H{beta} shows weak emission. 10 HeI lines like in a B9 spectrum, line K of CaII like in a B8 type, 10 SiII and H lines refer to a B3 type, K CaII and HI as in B3.5, 10 HeI 4471 absent, HeI 4387 weak emission, MgI 4481 absent, 10 SiII 4128 stronger in star 19 than in star 10. 19 HeI lines like in a B9 spectrum, line K of CaII like in a B8 type, 19 SiII and H lines refer to a B3 type, K CaII and HI as in B3.5, 19 HeI 4471 absent, HeI 4387 weak emission, MgI 4481 absent, 19 SiII 4128 stronger in star 19 than in star 10. 13 HeI and CaII K lines like in a B9 type, SiII weak and H lines like in 13 a B5 type. 26 HeI 4009 and 4026 appear weak. 31 CaII K line similar to an A0 type, but other spectral features are 31 consistent with a F0V type. 10005 line K of CaII like in an A3 type and H as in an A5V.