EXPLANATION OF PLATE V. 
PiEDOPHYLAX DISPAR, «. Up. 
Page 223. 
Fig. 50. Posterior segments, X 130. 
Fig. 51. Seta with short appendix, X 750. 
Fig. 52. Seta with longer capillary appendix, X 750. 
Fig. 53. Same as 52, diflFerent view, x 750. 
Fig. 54. Simple seta, slightly curved, X 750. 
Fig. 55. Simple seta, mor« curved, X 750. 
Nereis irritabilis a. sp. 
Page 2B1. 
Fig. 56. Head and extended proboscis, X 20. 
Fig. 57. Proboscis, ventral view, X 20. 
Fig. 58. Foot from 7th segment, X 20. 
Fig. 59. Foot from 30th segment, X 20. 
Fig. 60. Foot from 50th segment, X 20. 
Fig. 61. Foot from 70th segment, X 20. 
Fig. 62. Foot from 160th segment, X 20. 
Figs. 63, 64. Setfe, x 450. 
