Natural history . I !i<-) U V it- !. PLATE IX. Fig. 1.—Cinachyra harlata Sollas, | nat. size, p. 0. Pig. 2.—Vertical section through an oscule (x 5). Fig. 3.—Young specimen with one porocalyx in front and one oscule at the upper end ( X 3). Fig. J:.—Cortical oxea from a large specimen (x lOD). Figs. 5-7.—Single and double silica pearls (x 700). Figs. 8-]2.— Silica pearls around which crystals of sea-salts have become deposited (x 425). Figs. 13, 14.—Spheroidal masses of sea-salt crystals (in optical section), which stain deeply in carmine (X 425).Fig. 15.—Cmniella sagitta var. microsigma, v
Natural history . I !i<-) U V it- !. PLATE IX. Fig. 1.—Cinachyra harlata Sollas, | nat. size, p. 0. Pig. 2.—Vertical section through an oscule (x 5). Fig. 3.—Young specimen with one porocalyx in front and one oscule at the upper end ( X 3). Fig. J:.—Cortical oxea from a large specimen (x lOD). Figs. 5-7.—Single and double silica pearls (x 700). Figs. 8-]2.— Silica pearls around which crystals of sea-salts have become deposited (x 425). Figs. 13, 14.—Spheroidal masses of sea-salt crystals (in optical section), which stain deeply in carmine (X 425).Fig. 15.—Cmniella sagitta var. microsigma, vertical section of cortex in poral region, showing radial cortical oxeas arching over sub-dermal spaces ( x 12).Fig. 16.—CranieUa sagiita var. microsigma, vertical section of cortex in oscular region showing absence of radial cortical oxeas ( x 12).Fig. 17.—Cranidla sagitta Yav. pachyrrMbdus, flagellated chambers (x 200).Figs. 18, 19.—Collar cells of the same (x 1900). Note.—The flagellated chambers as seen in f
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, booksubjectzo
