— r 



92 



1 1 



90° 88° 86° 



MISSISSIPPI ALABAMA 



T 



98° 



— r 



96° 



TEXAS 



) LOUISIANA 



30°- 



Figure 29-3. Distribution of Sigambra wassi on the outer continental shelf of the northern Gulf of Mexico based on its 

 occurrence (•) in BLM-OCS monitoring programs. 



mAn 



Figure 29-4. Sigambra wassi : a, anterior end, dorsal view; b, same, lateral view; c, first parapodium, anterior view; 



d, second parapodium, anterior view; e, middle parapodium, anterior view; f, posterior parapodium, anterior 

 view; g, posterior end, dorsal view; h, upper neuroseta; i, middle portion of same; j, short neuroseta. 



29-7 



