When cirrus clouds are in the sky, it means the weather is going to change soon.
The eighth cirrus is by itself, near the base of the largest posterior cirrus.
There was a wide ring around it, and he remembered noticing the wisps of cirrus clouds gathering overhead through the afternoon.
The white clouds (usually sparse) were also widely regarded as being composed of tiny crystals of water ice, rather like cirrus in our atmosphere.
The cirrus pouch is small and stout, lying immediately and entirely in front of the ventral sucker.
No spines are present in the ductus or cirrus.
The cirrus-pouch is a conspicuous arcuate structure lying immediately in front of the ventral sucker.