V \ y i ,f^ ■/ 



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- tent. 



Fig. KK. Noctiluca scintiUans (Macartney). 1. Dorsal view showing apical troxigh. After Allmau (1872, 

 pi. 18, fig. 1). X 125. 2. Lateral view from the left side showing the deep oral pouch. Modified after Allman 

 (1872, pi. 18, fig. 2). X 125. 3. Posteroventral view showing sulcus, girdle, undulating membrane or tooth, 

 flagellum and tentacle. The anterior lip is at or near the upper margin of the figure. Modified slightly after 

 Robin (1878, pi. 36, fig. 4). X 100. 4a, b. Zoospores. After Cienkowsky (1873, pi. 6, figs. 38, 42). X 500. 

 5. Noctiluca in chain at mitosis showing girdle in the anterior schizont. After Robin (1878, pi. 41, fig. 24). 

 X 125. 6. Midventral view showing sulcus, rudimentary girdle, transverse flagellum or tooth, longitudinal 

 flagellum and tentacle. Modified after Webb (1855, pi. 6, fig. 7). Magnification not given. Abbreviations: 

 ant. I., anterior lip; ap. tr., apical trough; g., girdle; I. fl., longitudinal flagellum; o. p., oral pouch; t., tooth or 

 transverse flagellum; icni., tentacle. 



