1896-97.] Mr George Murray on Marine Diatoms . 
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Fig. 3. Do., with contents divided into sixteen, x 500. 
Fig. 4. Do., packet of eight young Coscinodisci. x 500. 
Fig. 5. Do., packet of sixteen young Coscinodisci. x 500. 
Plate III. 
Fig. 1. Chcetoceros borealis, uppermost cell, dividing transversely ; middle 
cell into four ; lowest cell, portions rounded off. x 600. 
Fig. 2. Do., showing divisions into eight and sixteen. x 600. 
Fig. 3. Ch. constrictus, upper cell showing first division parallel to axis of 
chain, lower cell with second (transverse) division, x S00. 
Fig. 4. Ch. curvisetus, showing division into four, x 800. 
Fig. 5. Do. , showing divisions into four and eight, x 800. 
