Plate XV. 



Page 

 Fig. i. Myxilla pedunculata n. sp. a styli, b tornota, c a developmental form of tornote, x 255, 



d ancora spatulifera, front view and side view, x 700, e stylus from embryo, x 585.. 14S 



— 2. Myxilla diversiancorata n. sp. a styli, b developmental form, x 200, c piece of develop- 



mental form, showing the small spines, x 700, d tornota, e developmental form, x 200, 

 f ancora of the large form, front view and side view, the former a little contort, 

 g younger and older developmental form, // one end of this ancora seen from the 

 inside, i ancora of the small form, half side view and front view, not all teeth are 

 seen, x 700 I 5° 



— 3. Myxilla pluridentata n. sp. a styli of different sizes, b tornota, c developmental form, 



x 255, d the ends of two tornota, one slightly swollen and spined, the other more 

 swollen and spined and with ribs, x 700, c ancora, front view and side view, x 700 . 



— 4. Lissodcndoryx lobosa n. sp. a acanthostyli, b tylota, x 255, c chela arcuata, front view 



and side view, x 1000 J 54 



— 5. Lissodcndoryx Sophia Frstdt. a acanthostyli, b strongyla, c developmental form, x 255, 



d the ends of one of the most spined strongyla, 700, e chela arcuata, front view and 

 side view, x 1000 J 5^ 



