PLATE XXI 



CANADIAN TARDIGRADA 



PAGE 



FIGURE 53. Macrobiotus areolatus, Murray . . x 260 167 



FIGURE 536. The same, teeth and pharynx 



FIGURE 53c The same, claws 



FIGURE 53d. The same, egg ..... x 260 



FIGURE 53e. The same, variety of egg ? ..... x 260 



FIGURE 54a. Macrobiotus occidentalis, sp. n. . . . x 260 169 



FIGURE 546. The same, teeth and pharynx 



FIGURE 54c. The same, egg x 260 



FIGURE 54c. The same, claws 



FIGURE 54e. The same, double skin with dots and plates 



FIGURE 55. Macrobiotus virgatus, sp. n. . . . . x 260 173 



FIGURE 55b. The same, teeth and pharynx 



FIGURE 55c. The same, claws 



FIGURE 56. Egg of unknown Macrobiotus .... x 260 175 



FIGURE 57. Egg of unknown Macrobiotus . . . . . x 260 175 



FIGURE 58. Egg of M. echinogenitus, variety x 260 167 



FIGURE 59. Egg like that of M. dispar, &c. x 260 175 



FIGURE 60. Macrobiotus, sp. ? teeth and pharynx ... 174 



FIGURE 61. Macrobiotus canadensis, sp. n. .... x 260 171 



FIGURE 616. The same, teeth and pharynx 



FIGURE 61c. The same, claws 



FIGURE 61d The same, egg x 260 



FIGURE 62. Diphascon canadense, sp. n x 260 ' 176 



FIGURE 626. The same, teeth, gullet, and pharnyx 

 FIGURE 62r. The same, claws 



