PLATE XI 



FIGURE 7ot. Philodina gregaria, sp. n. dorsal view of the animal when feeding. The 

 very prominent collar is only marked off from the pedicels by the cilia of the 

 wreath. Two well-grown young are seen. 



FIGURE 7b. Spurs and toes of the same. The dorsal toes are seen to be greatly 

 smaller than the ventral. 



FIGURE 7c. One of the spindle-shaped vibratile tags of the same. 



FIGURE Id. Jaw of the same, with two strong teeth, one thinner tooth, and many 

 fine striae. 



FIGURE 7e. Lateral view of the jaw of the same, showing the process of the ramus 

 behind. 



FIGURE Sa. Callidina habita, dorsal view of a variety which differs from the type 

 in the form of the spurs. 



FIGURE 86. The same, a variety having spurs nearer the typical form, but smaller. 



FIGURE 8c. Lateral view of the foot of the same showing the thickened part of the 

 first foot-joint which forms the boss. 



FIGURE 8d. Egg of the same, elliptical in form, with each pole produced into a 

 process. 



FIGURE 8e. Tip of rostrum of the same. The lamellae are widely separated. 



