PLATE 27. 



Tompoteris eura Chamberlin. 



Figures 1, 2. 



1. — Caudal end, dorsal view. X cir. 20. 



2. — Fii-st left pai-apodium, ventral view. X 63. 



Tomopteris innatans Chamberlin. 

 Figure 3. 

 3. — Brain and eyes in outline. 



Tomopteris idiura Chamberlin. 



Figures 4-6. 



4. — Anterior end, ventral view. X 27. 



5. — Tenth parapodium, caudal view. X 63. 



6. — Seventeenth parapodium (first caudal), ectocephalic view. X 63. 



