682 
. 173. 
.173. 4. 
on ee: 
. 1744. 
. 1745. 
Suey 
. 184. 
REPORT OF COMMISSIONER OF FISH AND FISHERIES. [180] 
PLATE XL. 
Polynoé aurantiaca V. One of the parapodia, enlarged fifteen diameters; 
de, dorsal cirrus; d, small dorsal lobe, which is destitute of setz; », 
ventral lobe ; sv, superior ventral set ; iv, large inferior ventral setx ; a, 
one of the superior ventral setx, enlarged eighty diameters. 
The same. One of the scales, enlarged four diameters. 
Polynoé (Harmothoé) imbricata. Dorsal view, enlarged two diameters. 
The same. Part of a scale, enlarged thirty diameters. 
The same. Setx, enlarged forty diameters; d, one of the stout dorsal sete; 
v, v’, ventral sete, 
Leanira robusta V. One of the parapodia, enlarged twenty diameters; br, 
branchial lobe of the dorsal side; e’, e’’, e’’, line of cilia occupying the 
space between the branchial and setigerous lobes; p’, slender papilla of 
the dorsal branch; p”, p’’, similar appendages of the ventral branch; ve, 
ventral cirrus; da, aciculum of the dorsal branch; va, aciculum of the 
ventral branch; ds, dorsal setie; 3’, 8’’, 3’’’, s’’, various forms of set of 
the ventral branch; a, tip of one of the slender simple sets; b, tip of 
one of the compound ventral setix, much more enlarged. 
Notophyllum Americanum VY. Head and anterior segments, enlarged eight 
diameters; a, posterior end of the same specimen. 
