376 The Naturalist of Citmbrae. 



APPENDIX C 



A GENUS AND VARIOUS SPECIES NAMED IN 

 HONOUR OF DAVID ROBERTSON. 



SPONGIAD^E. 



Halichondria Robertsoni, Bowerbank, Monograph of British 

 Spongiadae, vol. iv. p. 100. 1882. 



FORAMINIFERA. 



Trochammina Robertsoni, H. B. Brady, 1876. A fossil species. 

 Trochammina Robertsoni, H. B. Brady, 1887. A living species, 



of which the specific name must be altered, having been 



previously used for a fossil species. 



OSTRACODA. 



Cy there Robertson^ G. S. Brady, 1868. In 1889, Brady and' 



Norman say of this, " A small but very distinct and pretty 



species, described first from specimens dredged by Mr. 



D. Robertson, at Drobak, Christiania Fiord, in a depth of 



30-35 fathoms." 

 Cytherura Robertson^ G. S. Brady, 1868. This has proved to 



be a synonym of Cytherura gibba (Muller), 1785. 

 Erpetocypris Robertsoni, Brady and Norman, 1889. On this 



species see what is said at page 353. 

 Cytheridea Robertsoniana, G. S. Brady. This is said by Sars 



to be a synonym of Cytheridea lacustris. 



COPEPODA. 



Robertsonia, new genus, G. S. Brady, Monograph, Ray Society, 

 1878. In regard to the naming of this genus, see page 351. 



Mesochra Robertsoni, G. S. Brady. Monograph, Ray Society, 

 1878. See page 35 1. 



