370 



Prof. Allman on the MorpJiology 



Fie:. 2. 



Portion of a ramulus of 

 Antenmdaria anten- 

 nina, with hydrantlis 

 and movable nema- 

 topliores, sli owing the 

 protoplasmic contents 

 of the nematophores 

 and the emission of 

 pseudopodia. 



a, hydranth extended ; 

 ft, hydranth retracted ; 

 c, hydrotheca ; d,il, d, 

 consecutive segments 

 of the ramulus ; e, e, 

 azygous or mesial ne- 

 matophores with their 

 protoplasmic contents 

 quiescent; e',e',e', azy- 

 gous nematophores 

 with their protoplas- 

 mic contents emitting 

 pseudopodial prolon- 

 gations ; /, a pair of 

 geminate or lateral 

 nematophores, from 

 one of which a thick 

 branching pseudopo- 

 dial process of pro- 

 toplasm has been 

 emitted. 



d 



