List of Text-figures ix 



Fig. 55. — A. assimilis. Anterior end, dorsal aspect 



l''ig. 56. — A. assimilis var. affinis. Anterior end, dorsal aspect 



Fig. 57.- 



Fig. 58.— 



Fig. 59. — B ranchioDt aldanc vineenti. Anterior end, dorsal aspect . 



Fig. 60. — ,, ,, Notopodial chaetae 



,, ,, juv. {^^ Clymniides incertus^') 



Notopodial chaeta . 



,, ,, Distal portions of three notopodial 



chaetae 



,, ., juv. (" Clymmides incertus ") 



Xeuropodial crotchet 



,, ,, Adult. Neuropodial crotchet 



,, „ juv. (" Chjmenides incertus ") 



Crotchet from one of the pos 

 terior notopodia 



,, ,, Diagram of the nephridia . 



,, ,, Transverse section 



,, ^., Young stages of development 



(after INfesnil) 



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