Bal a no gloss us

Worm-like animal, body covered with cilia, contractile proboscis, at base of which is a collar, in front of the mouth; branchial region, resembling that in the lowest IMG:content-0406.png:[graphic] IMG:content-0407.png:[blocks in formation] IMG:content-0408.png:[graphic] IMG:content-0409.png:[graphic] northern hemisphere. B. sieboldii , the Right Whale of the n. Pacific, is distinguished by a "bonnet" on the end of the upper jaw. B. cis arctic a , the Biscay whale, is that common off the New England coast. Balænæ are warm blooded, viviparous and suckle their young.