Page:Essay on the mineral waters of Carlsbad (1835).pdf/123

EXPLANATION OF THE PLATES.

PLATE I.

Fig. 01.	Surirella Venus, weakly magnified. Natural length of the cuirass: 0,002565. Breadth: 0,000104 of an inch (Paris).
Fig.„ 02.	Seen from above, more magnified.
Fig.„ 03.	Open animalcule.
Fig.„ 04.	Another, equally open; a. the cuirass; b. its inge; c. the white and transparent coat; d. incision, in the internal membrane; e. the brown or green content.
Fig.„ 04.	A. Ribs and furrows B. on the edge of the cuirass.
Fig.„ 05.	Navicula ciliata, two united animalcules. Length of the cuirass: 0,00044.
Fig.„ 06.	Separated animalcule, sidewise seen.
Fig.„ 07.	The same, seen from backwards; a. cuirass with angles and hairs; b. edge of the pedal surface; c. extremities of the sides; d. d. orifices of the alimentary tubes.
Fig.„ 08.	The same animalcule, seen from the pedal surface; e. d. d. orifices of the two alimentary tubes seen sidewise.
Fig.„ 09.	Navicula costata, seen sidewise; length: 0,00226.
Fig.„ 10.	The same, seen from downwards; a. cuirass; b. the brown content; b¹ b¹, pedal bladders; f. f. intestinal tubes, and their orifices; d. ombilic of the middle ribs.
Fig.„ 11.	Two united animalcules.
Fig.„ 12.	Frustulia appendiculata; two united animalcules. Length: 0,00139; breadth: 0,00055.