GLOSSARY. 



Statoblast : the winter egg of the Polyzoa. 



Striated : finely streaked. 



Sub : in compound words, meaning under, or less than. 



Submerged : under water. 



Saltation : a groove. 



Tortuous: winding, twisting. 

 Translucent: semitransparent. 

 Truncate : as if cut off square. 

 Tubercle : a small, knob-like elevation. 

 Tubular : resembling or formed of a tube. 



Utricle : a little sack or bladder. 



Ventral: pertaining to the lower surface; opposed to dorsal. 

 Ventrum: the concave side of Closterium (as here used). 

 Viscera : the intestines, or abdominal contents. 

 Visor : the fore-piece of a cap. 



Whorl : several leaves in a circle around the stem. 

 Zoophyte : a word applied to certain plant-like animals. 



