VIl] 



COCCOSPHERES AND RHABDOSPHERES. 



119 



to the algae as organisms which cannot be included in any group 

 of animals, and Schlitt is unable to recognise a sufficient reason 

 for referring them to this class of plants. It is suggested indeed 

 that they may be purely inorganic structures. 



The most recent account of these two genera is by Messrs 

 G. Murray and Blackmanin a short notice in Nature for April 1, 

 1897 \ Numerous examples of Coccospheres and Rhabdospheres 

 were obtained by Capt. Milner of the R.M.S. Para during a 

 voyage to Barbados by allowing the sea water to enter the feed- 

 pipe of the boiler through a fine muslin net. All the forms 

 described in the Challenger Reports were met with, and an 

 examination of the material by means of extremely high 



Fig. 25. (From Murray and Blackmail). 

 Coccosphere x 1300. B, Rhabdosphere x 900. C, Portion of- the 

 same x 1300. D, Rhabdosphere of another type, in optical section 

 X 1900. E, The same in surface view x 1900. h\ End of one of the 

 trumpet-shaped appendages of E. 



1 Murray, G., and Blackman, V. H. (97). 



