PLATE 6 in The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China

PLATE 6: Figures 35–39. Hantzschia yili. SEM micrographs. Fig. 35. Detail of the continuous external central raphe endings and areolae. Fig. 36. Detail of the discontinuous internal central raphe endings and areolae. Fig. 37. Detail of the external distal raphe fissure. Fig. 38. Internal view showing teratological formation of fibulae and areolar arrangement. Fig. 39.Valve terminus with helictoglossa evident. Scale bars=1 μm for all figures.