PORTUG UE8E VIA OF w Mi. 





shores of Ke] West, Florida, our hands havi erely 



stung by them, the burning, Bmurting pain lasting for hours. 



A Siphonophore, such as Pliy- 

 salia, for example, may be com- 

 pared to n colony of Hydra - 

 tinia, in which there arc nutritive 

 and reproductive zooids and me- 

 dusa buds. In 1'uv-alia, how- 

 r, I here arc four kinds of 

 zooids — /.'.. (1) locomotive, and 

 reproductive, with (3) barren 

 medusa buds, which arc called 

 the "swimming bells," and i ; i 

 the nutritive zooids or " 

 a set of digestive tubes which 

 nourish the entire floating col- 



ony. 



The Pi ; buguese man-of-war 

 consists of 1 < > 1 1 lt locomotive ten- 

 tacles, which, when the animal 

 is driven by its broad sail or 

 float before the wind, stretch out 

 in Large individuals from thirty 

 to fifty feet. These large Hydra- 

 like /."oids are arranged in small 



groups, 



arising 



from a hollow 



stem communicating with the 

 stomach extending between the 

 inner and outer wall of the float fic. ■> i 

 The ••feeders" are of two kind man-of 



■ and small, and are clustered in branches wing 

 from a common hollow stem, also communicating with the 

 stomach. 



Class II. — AcnirozoA {Sea-A ■ ■ al Pol 



General Characters of Actinozoans. i \ 

 anemone is the type of this class, the different kind- 



