\STER1AP.E. 



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four families. First, The U rasters, Stellate Starfishes, 

 with rounded arms, and four ranges of suckers in each 

 avenue. Of this family we have but one genus, Uraster. 

 Second, The Solasteri^e, also stellate (sometimes multi- 

 radiate), with rounded arms, but only two ranges of 

 suckers in each avenue, such as Cribella and Solaster. 

 Third, The Goniasterle, which are pentagonal, and have 

 two ranges of suckers. To this family belong the genera 

 Asterina, Palmipes, and Goniaster. And fourth, The 

 Asteri.e, including Asterias and Lwidia, stellate Starfishes, 

 with the upper surface of the body flat. 



