428 



PBOF. ALLMAN ON THE EECENT EESEABCHES 



tion between the two. To this assemblage he assigns the rank of 

 a separate kingdom, to which he gives the name of Protista. 



Haeckel had founded his group of the Monera on an organism 

 which he had observed in the Mediterranean off Nice, and which 

 he navaed Froto^enes primordialis. It consists of a homogeneous 

 ball of protoplasm, from whose surface thousands of fine thread- 

 like pseudopodia, which frequently branch and become confluent 



Fig. 14. 



Protomyxa auranticica. 



A, the Protomyxa in its encysted or resting state. B, the protoplasmic con- 

 tents of the cyst hare become broken np into a multitude of spherical segments. 



C, the protoplasm-spheres escaping from the cyst as flagellate swarm-spores. 



D, the free swarm-spores actively swimming about by means of their flagelliform 

 processes. E, the swarm-spores after the withdrawal of the flagellum creeping 

 about by means of pseudopodia in the manner of an Amoeba. F, the fully deve- 

 loped Protomyxa : in the interior are seen numerous vacuoles {a) and an ingested 

 diatom and infusorium {b, c) ; from the central protoplasm radiate a multitude 

 ol dendritically branched and anastomosing pseudopodia. (After Haeckel.) 



