POLYCHAETE WORMS, PART 1 



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Figure 4. — Polynoidae, a-b, Eucranta villosa: a, elytron; h, tip of neuroseta. c, Avstro- 

 laenilla lanelleae, tip of neuroseta. d. Austrolaenilla mollis, tip of neuroseta. e-f, Hart- 

 mania moorei: e, notoseta;/, neuroseta. g-j, Alentiana aurantiaca (after Hartman, 1942b): 

 g, twelfth! parapodium, anterior view; h, subacicular neuroseta; i, supra-acicular neuroseta; 

 j, tip of same, enlarged, k, Lepidametria commensalis, middle right parapodium, anterior 

 view. 



Description. —Length up to 50 mm., width including setae up to 

 18 mm., segments 36-39. Body broad, depressed, tapering posteri- 

 orly, the last few segments very small. Elytra 17-20 pairs, large, 

 reiiilorm, overlapping, covering the dorsum, becoming gradually 

 smaller posteriorly, thin, soft, translucent, smooth, lacking tubercles 



