32 



MICROSCOPICAL OBSERVATIONS. 



TABLE B. Continued. 



Such of the above species as are not indicated as new, will be found described 

 in Ehrenberg's " Verbreitung und Einfluss des mik, Lebens in S. und N. Ame- 

 rica," and in Kiitzing's " Bacillarien, oder Diatomeen." For a description of 

 the new species, see page 38. 



