MUSEUM OF COMPARATIVE ZOOLOGY. 61 
Lagena gracillima Pulvinulina elegans 
Cristellaria gibba Spheroidina bulloides 
Uvigerina pygmaa 
Residue, 93.57 per cent, brown, consists of Minerals [25.00], m. di. 0.05 mm., 
quartz, feldspars, hornblende, fragments of coal. Stéliceous organisms [3.00], 
fragments of Radiolarians. Fine washings [65.57], argillaceous matter and fine 
mineral particles, with a few fine siliceous fragments. 
In the examination and description of these deposits I was assisted by the 
abbé Renard, who determined many of the mineral particles. I have also to 
acknowledge the services rendered by my assistants, Mr. James Chumley and 
Mr. Frederick Pearcey. 7 
Joun Murray. 
