SHOWING STRUCTURE, FROM THE RHYNIE CHERT BED, ABERDEENSHIRE. 901 
Fig. 81. Well-preserved fungal resting-spores borne on hyphae free in the matrix. x 210. (No. 2556.) 
Fig. 82. Portion of peripheral region of a stem of Rhynia major, ep., epidermis; ox., outer cortex; x., 
layer of cells with problematical dark contents; i.c., inner cortex. x 100. (No. 2407.) 
Figs. 83, 84. Cells of the layer with problematical dark contents in the preceding figure, showing some 
indications of fine hyphal nature of the contents. x 250. (No. 2407.) 
Schizophyta. 
Fig. 85. Colonial masses of unicellular bacteria from matrix of the peat, x 100. (No. 2546.) 
Fig. 86. Colonies of a recent bacterium, unstained, for comparison with fig. 85. x 100. 
Plate VIII. 
Fig. 87. Portion of the peaty matrix showing the felted arrangement of the fine filaments of a possible 
filamentous bacterium. (Schizophyta No. 2.) x 100. (No. 2479.) 
Fig. 88. Portion of preceding specimen. x 250. (No. 2479.) 
Fig. 89. General arrangement of two groups of Archxothrix oscillator ij 'ormis in a cavity of a stem of 
Rhynia Qwynne- Vaughani. x 100. (No. 2542.) 
Fig. 90. Single filament of Archxothrix oscillatoriformis from the preceding figure, showing the small, 
discoid cells, x 650. (No. 2542.) 
Specimens received from Rev. Mr Cran, placed with Algites ( Palxonitella ) Cranii. 
Figs. 91, 92. Views at two depths of focus of a small verticillately branched axis, x 100. (No. 2570.) 
Fig. 93. Portion of same specimen showing three nodes with the whorled appendages, x 150. (No. 2570.) 
Fig. 94. Transverse section of a node showing corticating cells and whorled appendages. x 200. 
No. 2569.) 
Fig. 95. Tubular rhizoid (?) with cellular node and two swollen cells borne at this, x 100. (No. 257 1.) 
Fig. 96. Tubular rhizoid (?) with short branch bearing in relation to a septum a large globular cell 
(bulbil?) with a shallow nodal disc at its base. x 100. (No. 2572.) 
Fig. 97. Globular cell (bulbil?) with a nodal disc of small cells, some of which have filamentous growths 
attached, x 100. (No. 2573.) 
Plate IX. 
Algites ( Palxonitella ) Cranii. 
Fig. 98. Portion of peaty matrix giving a general view of the appearance of the algal remains, (a) 
filament showing tip ; ( b , c) filaments with nodal discs ; (d) vesicle-like structure, x 50. (No. 2546.) 
Fig. 99. Portion of same showing septate filaments with contracted dark contents. x 100. (No. 2546.) 
Fig. 100. Apex of a filament with small terminal cell ; this is also seen to the left in fig. 99. x 100. 
(No. 2546.) 
Fig. 101. The node with short branch-like protrusions shown at ( b ) in fig. 98. The pointer indicates the 
node, x 150. (No. 2546.) 
Fig. 102. The node with rhizoid-like branches shown at (c) in fig. 98. ' The pointer indicates the node, 
x 150. (No. 2546.) 
Fig. 103. Rhizoid showing junction of two of the elongated cells, x 150. (No. 2388.) 
Fig. 104. Another rhizoid showing irregular node of small cells at the junction of two elongated cells, 
x 150. (No. 2388.) 
Remains placed with Algites ( Palxonitella ) Cranii. 
Fig. 105. Portion of peaty matrix showing numerous large thin-walled vesicles (? bulbils) associated with 
tubular elements with contracted contents. x 12. (No. 2475.) 
Fig. 106. Two of these vesicles connected together by a nodal cell. x 65. (No. 2476.) 
