POLYCHAETE WORMS, PART 1 



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Figure 62. — Eunlcldae, Marphysa sanguinea {e-i, k, after Moore, MS.): ^, dorsal view 

 anterior end; b, dorsal view setigerous segments 25 to 29; c, lateral view posterior end; 

 d, parapodium from middle region of body, anterior view; e, simple capillary seta from 

 setiger 8; /, shorter bladed compound spinigerous seta from setiger 8; g, simple comb seta 

 from setiger 8; h, same, from setiger 48; i, hooded acicular seta or crotchet from setiger 

 48; j, mandibles; k, maxillae, dorsal view. 



2-3 black aciciila per parapodium. Maxillae of proboscis dark brown, 

 heavy. Bases of maxillae i, the forceps, each with 2 longitudinal 

 interlocking ridges; maxillae ii with 3-6 teeth; left maxilla iii with 

 5-8 teeth, right maxilla iii missing; left maxilla iv with 3-6 teeth; 

 right maxilla iv with 6-10 teeth. Color: yellowish orange, brownish 

 red, pinkish grey, with brilliant opalescent iridescence, branchiae 

 bright red, acicula black. 



Biology. — Found at low water in mud, muddy sand, stiff clay, 

 under rocks or stones, in crevices of rocks, under boards, on wooden 

 pilings, in roots of Zostera, in oyster beds, in sponges, in old worm 

 tubes (as Sabellaria). It is dredged on various bottoms: fine sand, 



