POLYCHAETE WORMS, PART 1 



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Figure 67. — Lumbrineridae, a-c, Lumbrineris laireilli: a, dorsal view anterior end; b, 

 anterior parapodium, anterior view; c, compound hooded crotchet or hook from anterior 

 parapodium. d-f, Lumbrineris coccinea; d, dorsal view anterior end; e, anterior parapo- 

 dium, anterior view;/, compound hooded crotchet from anterior parapodium. g-i, Lum- 

 brineris acuta: g, dorsal view anterior end (after Verrill, 1875); h, middle parapodium, dorsal 

 view; i, hooded crotchet from same. /, Lumbri^ieris impatiens, simple hooded hooked seta 

 from posterior region (after Fauvel, 1923). 



capillary limbate setae and simple hooded hooks. Acicula yellow 

 to amber colored. Proboscis with maxillae ii each with 4-5 teeth; 

 maxillae in each with 2 teeth; maxillae iv each with a single tooth. 

 Color: pale pink, orange or brown, with metallic iridescence. 



Biology. — -Found at low water in muddy sand, under stones, among 

 roots of eelgrass, Zostera. Dredged on bottoms of mud and sand. 

 According to Okuda (1946) in Japan, they spawn from the middle to 

 the end of June. Bright orange eggs, rich in yolk, are laid in thick 



