102 PROCEEDINGS OF THE! NATIONAL MUSEUM VOL. 92 
Hypsicomus purpureus Treadwell__------ H. circumspiciens__---------- p. 133 
Jasminiera ecaudata Moore_--.---------- Choneecaudata: 2222-2225 25 p. 135 
Laonome punctata Treadwell_----------- Sabellastarte indica__-_-_---_- p. 132 
Laranda robusta Moore: ---.---=-=£_2324 Dritlonereis robusta._.----.--- p.125 
Leanira robusta Verrill__-..--.--~-------- We WrAvUSED SL 8 eee ae p. 104 
Lumbriconereis acuta Verrill_.----------- Lumbrineris acuta_.-.---.--- p. 114 
Lumbriconereis bilabiata Treadwell_---_-_-- Lumbrineris bilabiata__------- p. 120 
Tumbriconerets erecta... 42-2 Lumbrineris erecta__...------- p. 120 
Lumbriconereis grandis Treadwell_-_-_----- Lumbrineris grandis...-__-__- p. 114 
Lumbriconereis heteropoda Marenzeller___. Lumbrineris heteropoda- -.-.---- p. 121 
Lumbriconereis maculata Treadwell_------ Lumbrineris maculata_-—__----- p. 119 
Lumbriconereis minuscula Moore (part)... Lumbrineris moorei, new spe- p. 116 
cies. 
Lumbriconereis minuta Treadwell - ------- Lumbrineris minuscula - - -- ~~ - p. 116 
Lumbriconereis parva-pedata Treadwell... Lumbrineris parva-pedata_-__- p. 118 
Lumbriconereis tenuis Verrill (part) -_--_- Arabella tricolor. 22-22. p. 124 
Lumbriconereis zonata Johnson_--------- Lumbrineris zonata._.------- p. 123 
Lumbrinereis elongata Treadwell--------- Lumbrineris parva-pedata _ _- -- p. 118 
Maldane filijera: Verrill. 0. oo ee Petaloproctus filifer_.....____- p. 131 
Nephthys circinata Verrill_--..---------- Nephtys macroura._......---- p. 113 
Notaulax mucronata Moore_------------- Potamethus mucronatus___---- p. 134 
Notocirrus zonata Moore._..------------ Arabella:zonatas. 2025 2 eee p. 125 
Ophelia denticulaia Verrill__......-_2-=_- Ophelia lamacina2. = fee p. 130 
Ophelina agtits Andrews_--------------- ATMANdLanaguises = ae ee p. 129 
Ophelina maculata Webster_------------- Armandia maculata______-_-- p. 129 
Phyllodoce arenae Webster_------------- Anaitides catenula...._.___-- p. 109 
Phyllodoce catenula Verrill__---.--------- Anaitides catenula__..._.__-- p. 109 
Phyllodoce fragilis Webster_------------- Psfragilis yan 5 ee ee Oe p. 111 
Phyllodoce magnaoculata Treadwell__-_--~-- P. magnaeculata... -—4742 2 38 p. 110 
Polynoé alba Treadwell__.---.---------- Lepidasthenia alba___-.-_---- p. 103 
Polynoé lucida Treadwell___--.---------- Lepidasthenia alba__.....---- p. 103 
Potamilla californica Treadwell____-_---- Fay nsicomus spi ole: St ee p. 133 
Potamilla elongata Treadwell_...---_---- Potamethus elongatus___.___-- p. 134 
Praczillura ornata Verrill......-2-2=<:=:- PS Orne to See 3. We p. 131 
Rhodine bitorquata Moore__------------- de YORLOT GUMS = aie ee p. 132 
Sabella picta Verrill___.------- rea ho i i Chone infundibuliformis_-_-_-_-- p. 1386 
Sthenelais grubet Treadwell__--..-_------ Leanira gruves 22252 Vests San p. 106 
Sthenelais tertiaglabra Moore_--_--------- Sirariteulata [2 SIH ws p. 107 
Family POLYNOIDAE 
Genus LEPIDASTHENIA Malmgren 
LEPIDASTHENIA NATANS (Chamberlin) 
Harmopsides natans CHAMBERLIN, 1919, p. 48 (U.S.N.M. No. 19718; off Peru). 
There are numerous immature, more or less translucent specimens 
from Peru, Central America, and west toward Easter Island. The 
number of segments varies from 20 to 44. The largest (type) is in 
two pieces, an anterior end of 17 setigers and a posterior one of 27 
setigers, representing perhaps an entire individual; if complete, ely- 
