. Synopsis of the naviculoid diatoms. Presented to the R. Swedish Academy of Sciences May 10, 1893. Diatoms. 'A Outline of the valves. Pig. 1 Linear, 2 Rhomboidal, 3 Lanceolate, 4 Rectangular, 5—8 Panduriform witli deltoid, snb- elliptical, tongue-shaped and broadly rounded segments, 9 Elliptical, 10 Sigmoid, 11 Oymbiform, 12 Lunate, 13 Clavate. The ends of the valves also have a great variety of shapes, as /\ 1. 2. 5. Ends of the valves. 1 Acuminate, 2 Apiculate, 3 Rostrate, 4 Capitate, 5 Truncate (subrostrate), 6 Cuneate, 7 Rounded obtuse, 8 Obliquely or unilaterally rounded. The constan
. Synopsis of the naviculoid diatoms. Presented to the R. Swedish Academy of Sciences May 10, 1893. Diatoms. 'A Outline of the valves. Pig. 1 Linear, 2 Rhomboidal, 3 Lanceolate, 4 Rectangular, 5—8 Panduriform witli deltoid, snb- elliptical, tongue-shaped and broadly rounded segments, 9 Elliptical, 10 Sigmoid, 11 Oymbiform, 12 Lunate, 13 Clavate. The ends of the valves also have a great variety of shapes, as /\ 1. 2. 5. Ends of the valves. 1 Acuminate, 2 Apiculate, 3 Rostrate, 4 Capitate, 5 Truncate (subrostrate), 6 Cuneate, 7 Rounded obtuse, 8 Obliquely or unilaterally rounded. The constancy of the outline is very different in different cases. Some species seem to be very constant in shape, as Diploneis elliptica, many species of Pinmilnria, Cocconeis and Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cleve, P. T. (Per Teodor), 1840-1905. Stockholm, Norstedt
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectdiatoms, bookyear1894
