78 
FORAMINIFERA OF OBAN. 
Apr., 1889. 
To avoid lengthy repetitions, only the name of the author 
and date are repeated. 
Williamson, C. W., Recent Foraminifera, Gt. Britain 
(Ray Soc.), 1858. 
Robertson, D., Fauna, West of Scotland, Trans. Geo. 
Soc., Glasgow, p. 51, 1874. 
Robertson, D., Proc. Nat. Hist. Soc., Glasgow, 1881-3. 
Wright, J., Proc. Belfast Nat. Field Club, 1880, etc. 
Balkwill, F. P., and Millett, F. W., Foraminifera of 
Galway, Jour. Mic. and Nat. Science, 1884. 
Balkwill, F. P., and Wright, J., Foraminifera, Coast 
of Dublin and Irish seas, Trans. Roy. Irish Acad. 
(Science), 1885. 
These interesting subjects for microscopical examination 
are found in all parts of the world, both at the bottom and 
also on the top of the seas (pelagic); also forming a great 
portion of many of the geological strata of the world. 
From the lime contained in the sea-water they construct 
a test, or shell, of extreme beauty in most cases ; in others 
they collect the lime into such peculiar forms that they might 
often be mistaken for minute water-worn bits of stone 
(Nubecularia, etc.); or cement, either minute or coarse grains 
of sand, or smaller shells of foraminifera together, to form a 
dwelling for themselves, which, in a living state, is surrounded 
by a jelly-like mass; and they throw off through it and the test 
pseudopodia or threads of their bodies, crossing threads, in 
search of food, from which the name Reticularian Rhizopoda 
is given to them in their classification in the animal 
kingdom. 
Perhaps of all persons who have given their minds to the 
study of the living forms in this country, Mr. J. D. Siddall 
deserves the greatest thanks, for the life-history of the 
Shepheardella tseniformis, Quart. Jour. Mic. Science, 1880. 
Many others, not having the opportunity of keeping them 
alive, have resorted to the study and classification of the dead 
shells. 
The bottom of the sea, at the place where the dredging 
was made, consists of dead and broken shells, Entomostraca, 
sand, and mud. 
I have added Mr. D. Robertson's remarks, if recorded, 
such as common, abundant, rare, etc. 
I have also to record my thanks to Messrs. J. Wright and 
H. B. Bradv for their kind assistance. 
9 / 
