unlike that of the intestine. The caeca only were examined in 20 owls, of which 6 contained nematodes. Infections were not very heavy. The 6 infected intestines contained only 15 worms, while 15 pairs of infected caeca contained 135 worms. This nematode is normally found in A. noctua in Europe. Two specimens of the Morepork, Ninox novaeseelandiae were also examined.^*

It is interesting to find that while the introduced bird has only its introduced parasites, the native owl contained a cestode and two species of nematodes, one a Capillaria sp.

Though the numbers are not large enough to be conclusive there is a suggestion that the nematode is more common in the bush districts of South Otago and Southland than in the more open and drier Central Otago and Canterbury. Five birds were received from the Cromwell district and seven from localities in Canterbury. The intestine and caeca of two and the caeca only of the rest were examined and none contained nematodes. As will be seen from the figures given above, among the 32 southern birds examined, one individual out of every three had the parasites in its caeca.

In Europe the owl is known to be the host of certain Haemosporidia. No special attempt was made to look for the presence of these, but the blood of one or two specimens was examined. No blood parasites were noticed.

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