Sentence Examples with the word Vibracula

The most singular of the external appendages found in the Polyzoa are the avicularia and vibracula of the Cheilostomata.

But avicularia or vibracula may also occur in other places - on the backs of unilaminar erect forms, along the sutural lines of the zooecia and on their frontal surface.

The avicularia and vibracula give valuable aid to the systematic study of the Cheilostomata.