742 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [44j 



Sph^rosyllis brevifrons n. sp. 



Fig. 24. — Head and first two segments, X KiC 

 25. — Posterior segiuents, X I'M). 

 26.— Foot with cirri, X 230. 



27. — Single dorsal cirrus with double constriction, X 230. 

 28. — Compound seta, X 750. 

 20.— Simple seta, X 750. 

 30.— Simple seta. X 7.50. 



P^iDOPHYLAX HEBES W. «p. 



Fig. 31.— Head anil anterior segments, X 85. 

 32. — Posterioi- segmeuTs, X *'>. 

 33. — Anterior compound seta, X 750. 

 34.— Posterior compound seta, X 750. 

 35.— Ordinary simple seta, X 750. 

 36. — Posterior simple seta, X 750. 



Nereis tenuis n. «p. 

 Fig. 37. — Head and tirst two segments, X 25. 



PLATE IV. 

 Nereis teniis n. sp. 



Fig. 38. — Proboscis, ventral vi<\v, x 25. 



39. — Foot from tenth segment, posterior view, X 50. 



40. — Posterior foot, posterior view, x 50. 



41. —Seta of dorsal ramus and upper part of veutral ramus, X 750. 



42. — Seta of h)\ver hundlf. lower raunis. x 7.')(l. 



43. — Seta of ventral ramus, x 750. 



Staukoc EiMiAi.i's t;.ECUs H. up. 



Fig. 44. — Head and tirst two segments, x 13(). 

 44a.— Lower jaw, X 130. 

 45. — Foot from large specimen, X 1^5(1. 

 46.— Seta, upper part of upper bundle, x 7,50. 

 47. — Seta, lower part of upper bundle, X 750. 

 48.— Seta, lower bundle. X 750. 



I'LATE V. 



(ioNlADA (illACll-IS ]'irtHl. 



Fig. 49.— Head and iirsl segment. X 50. 

 50. — Anterior foot, X tN). 



51. — Foot from twenty-seventh segment, X 85. 

 52._Middle foot. X 85. 



8pi<) Uathbuni m. sp. 



Fig. 53. — Ib^ad ami tirst two segments, without tentacles, X 65. 

 54. — Foot of second segment, anterior view, X 160. 

 55. — Branchiated segment, X 160. 

 56. — Short seta'., found sparingly in l)oth rami, X 7.50 

 51. — Ordinary dorsal seta. X 7.'>(t. 

 58.— Ventral uneinus. X 7''<'. 

 59. — Anal cirri, X -">. 



