240 Phthinobranchii 
The species, few in number, known as sea-moths and sea- 
dragons, rarely exceed four inches in length. They are found 
Fia 190.—Sea-moth, Palaces unitenan Jordan & Snyder. Misaki, Japan. 
(View from below.) 
in the East Indies and drift with the currents northward to 
Japan. The genera are Pegasus, Parapegasus, and Zalises. 
The best-known species are Zalises draconts and Pegasus voli- 
fans. 
No fossil species of Pegasid@ are known. 
