Abstract
CO emission has been detected in the central 1.3 kpc of the three irregular galaxies NGC 4449, NGC 4214, NGC 3738, and also in a gaint H II complex in NGC 4449 using the 14 m telescope of the Five College Radio Astronomy Observatory (HPBW = 50''). The CO distribution in NGC 4449 appears clumped, with stronger emission found in one H II complex than in the central region of the galaxy. Comparing the irregulars with the luminous Scd galaxy IC 342, all of which are roughly at the same distance, the central 50'' of the irregulars haue 2--5 times less blue luminosity than the central 50'' in IC 342 but have factors of 40--70 less CO.
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