A COLLECTIOX OF HYDEOIDS. 



323 



large, free, Avitli rounded summit, and irregular, wide, trans- 

 verse undulations ; no distinct marginal ring or operculum ; 

 sporosacs, two." 



Systematic Position. — In the unjointed condition of the 

 sarcothecae, and in the absence of intervening internodes 

 Avithout hydrothecae, the present hydroid diverges widely from 

 the typical Eleutheroplea, and shows affinities Avith the 

 Statoplea. 



Text-fig. 1.5. 



'1\ Jf^ Cx //o 



'4 



Kirclieiipaueriu miruliilis AUmau. 



The Natal hydroid can scarcely be separated from Allman's 

 Kirchenpaueria mirabilis, although the inflected wall of 

 the hydrotheca leaves a sinus which is not filled up with 

 homogeneous perisarc. In the absence of the gonophore, 

 however, this determination cannot be more than provisional. 



(26) Paragattya intermedia g. e. S2). n. (PI. XL"\'II, 



fig. 27.) 



This remarkable hydroid is somewhat common on the Natal 

 coast, and it occurs on coralline and other sea-weeds. It is 



