PLATE 39. 



Hyalinoecia tecton Chamberlin. 



Figures 1, 2. 



1. — Tips of setae from first parapodium. X 63. 



2. — Tip of seta from same, more slender form. X 63. 



Paronuphis solenotecton Chamberlot. 



Figures 3-8. 



3. — Second left parapodium, caudal view. X 63. 



4. — First right parapodium, caudal view. X 63. 



5. — Left mandible, ventral view. X 63. 



6.— Maxillae I, right blade omitted. X 278. 



7. — Limbate seta from posterior region of body. X 429. 



8. — Compound seta of first parapodium. X 429. 



