1903.] NATURAL SCIENCES OF PHILADELPHIA. 489 



Fig. 43. — Eunice mucronata, compound seta from LVI. X 480. 



Fig. 44. — Eunice mucronata, pectinate seta. X 480. 



Fig. 45. — Eunice mucronata, uncinus from XLI. X 332. 



Fig. 46. — Eunice gracilis, compound seta. X 480. 



Fig. 47. — Eunice gracilis, pectinate seta from XLI. X 480. 



Fig. A8.— Eunice gracilis, uncinus from posterior foot. X 332. 



Fig. 49. — Eunice medicina, compound seta. X 480. 



Fig. 50. — Eunice medicina, pectinate seta. X 480. 



Fig. 51. — Eunice medicina, uncinus from LV. X 332. 



Fig. 52.— Para northia brevicornuia, compound seta from 3d foot. X 8'^0 



Fig. 53.— Paranorthia brevicornuia, compound seta from 4th foot X 480 



l<jg. 54.— Paranorthia brevicornuia, simple marginal seta from 10th foot. 



Fig. 55 .—Paranorthia brevicornuia, pectinate seta from 13th foot. X 480 



l<ig. 56. — Paranorthia brevicornuia, uncinus from 11th foot. X 480. 



Fig. 57.— Northia geophiliformis, part of appendix of compound seta, from 



Iv. X 480. 

 Fig. 58.— Northia geophiliformis, pectinate seta from XXXV. X 480 

 Fig, 59. — Northia geophiliformis, uncinus from XL. X 480. 

 Fig. m.—Onuphis cirrobranchiata, margined seta from dorsal ramus of XII. 



Fig. 61 . — Onuphis cirrobranchiata, uncinus from Y. x 332, 



Fig. 62. — Onuphis cirrobranchiata, uncinus from XXVII. X 332. 



Fig. 63. — Onuphis cirrobranchiata, funnel-shaped seta from XII. X 480. 



Plate XXVI, Fig. 64. — Laranda robusla, seta from dorsal group of XX. X 130 

 Fig. 65.— Laranda robusla, aciculum and seta from ventral group of a po«- 

 terior somite. X 130. o t- f ■ 



Fig. 66.— Notocirrus zonala, seta from dorsal group of a middle somite. 



- Fig. 67. — Notocirrus zonala, one from ventral group of same. X 332 

 Fig. 68.—Ninoe palmata, marginal seta from ventral bundle of XII. X 332 

 Fig. 69.—Ninoe palmata, similar one from dorsal bundle of XC. X 480. 

 Fig. 70.— Ninoe palmata, margined and hooded uncinus from ventral bundle 



of XII. X 480. 

 Fig. 71. — Ninoe palmata, uncinus from XC. X 480. 



Fig. 72 —Cirratulus gibbosus, a notopodial group of one blunt spine and one 



delicate fringed seta from LX. X 130. a, portion of the latter. X 586 



fig. 73 —Chcetozone spinosa, from XXV. X 130. a and 



b, enlarged portions of the two seta; at the points indicated. X 586 

 l*ig. 74. — Cha:tozone spinosa, spine from XCVI. X 130. 

 Fig. 75. — Goniada foliacea, a compound neuropodial of average length. 



X 586. 

 Fig. 76. — Goniada foliacea, a notopodial from L. X 586. 

 Fig. 77. — Goniada dislorta, a compound neuropodial seta. X 332. 

 Fig. 78. — Arnphitrite bifurcata, an uncinus. X 332. 

 Fig. 79. —Scionella japonica, an average margined seta from the middle of 



the bundle. X 332. 

 Fig. 80. — Scionella japonica, an uncinus. X 332. 



Plate XXVII, Fig. 81. — ioiwim arfcorea, a margined seta from XV X 110 a 

 portion of the same. X 586. ' ' 



Fig. 82.— Loimia arborea, uncinus from XV. X 332. 

 Fig. 83. — Trichobranchus bibranchiatus , slender seta. X 332. 

 Fig. 84. — Trichobranchus bibranchiatus, uncinus. X 820. 

 Fig. 85. — Trichobranchus bibranchiatus, uncinus from XXII. X 820. 

 Fig. 86. — Nicomache(2) inornata, portion of capillary seta froni XV x' 480 

 Fig. 87, — NicomacheC!) inornata, end of crochet from XV. X 332. 

 Fig. 88. — Nicomache{1) inornata, end of crochet from V. X 332. 

 Fig. 89. — Clymene mirabilonga, simple capillar3\ x 74.' 

 Fig. 90. Chjmene mirabilonga, pinnately fringed capillary. X 480. 



