EXPLANATION To I'l.ATK XI. 



1. ,Vr.//r<i manjun-ilii Nutting. I'.ntire colony, except the li.vlroc:iuliis (enlarged). 



J. Mniiotlimi laanjai-i-lla. Side view of hydrotheea (greatly enlarged). 



",. Moiioiln-1-a martjarettn. liac-k view nf liydrothei-a (greatly enlarged). 



I. .liitcnniipsis Itippurix Alliuan. I'art of stein with liydrnrladia (enlarged). (After Allman.) 



.-,. .-iH/MiHr^sis liipjniri*. 1'art of liydroeladiniii (greatly enlarge.! I. i After Allman. ) 



ii. .liitniiiiipsi* liippurix. Conaugia i enlarged ). (After Allman.) 

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