NO. 3661 COPEPODS—HUMES AND HO 11 
Lichomolgus gentilis, new species 
Fieures 56-69 
TYPE MATERIAL.—20 99 and 28 0’ co" from a colony of Dendronephthya 
mucronata (Pitter), in 4 m, on the northeastern coast of Antany 
Mora, Isles Radama, Madagascar, 14°06’10’'S, 47°45'10’’E, collected 
Sept. 30, 1964. Holotype 9, allotype, and 36 paratypes (14 99 and 
22 oo) deposited in the United States National Museum and the 
remaining paratypes in the collection of A. G. Humes. 
OTHER SPECIMENS.—F rom Dendronephthya mucronata: 4 99 from 6 
colonies, in 1 m, off Ampombilava, Nosy Bé, Madagascar, Sept. 26, 
1964; 10 99 and 19 oo from 1 colony, in 1 m, Tany Kely, a small 
island south of Nosy Bé, June 23, 1963; 2 99 from 1 colony, in 2 m, 
northern end of Nosy Sakatia, near Nosy Bé, Aug. 19, 1963; and 2 
99 and 1 &@ from 1 colony, in 20 m, Tany Kely, Dec. 20, 1963. From 
Dendronephthya kéllikeri Kiikenthal: 15 92 and 19 &@ from 1 colony, 
in 8 m, Nosy Ovy, Isles Radama, 13°59’S, 47°46.5’E, Sept. 30, 1964. 
From Dendronephthya stocki Verseveldt: 1 & from 1 colony, in 20 m, 
Tany Kely, Dec. 20, 1963. From Stereonephthya acaulis Verseveldt: 
1 9, 2 oo, and 45 copepodids from 1 colony, in 20 m, Tany Kely, 
Dec. 20, 1963; 5 99, 22’, and 1 copepodid from 1 colony, in 10 m, 
Tany Kely, Aug. 21, 1964; 11 99 and 8 oo from 1 colony, in 1 m, 
off Ampombilava, Nosy Bé, Sept. 26, 1964; and 15 99, 9 &@o, and 1 
copepodid from 1 colony, in 2 m, Andraikarekabe, Nosy Komba, 
near Nosy Bé, Oct. 9, 1964. From Stereonephthya papyracea Kiikenthal: 
39 99 and 52 oo from 1 colony, in 6 m, Tany Kely, Aug. 26, 1963. 
FEMALE.—Body (fig. 56) with moderately broad prosome. Length 
0.91 mm (0.82—1.03 mm) and greatest width 0.47 mm (0.45-0.49 mm), 
based on 10 specimens. Ratio of length to width of prosome 1.28:1. 
Segment of leg 5 measuring 52u x 159u. Between this segment 
and genital segment no ventral intersegmental sclerite visible. Genital 
segment (fig. 57) nearly as long as wide, 148u x 159y, in dorsal view 
expanded in its anterior three-fourths but constricted posteriorly. 
Areas of attachment of egg sacs located dorsolaterally on posterior 
part of expanded region. Each area (fig. 58) with a slender naked 
seta 13u long, a spiniform unilaterally barbed seta 184 long, and an 
adjacent slender setiform process. Three postgenital segments 26y x 
86u, 20u x 82y, and 25 x 77y from anterior to posterior. 
Caudal ramus (fig. 57) a little shorter than wide, its greatest 
dimensions being 254 x 324 when measured dorsally and 274 x 32u 
when measured ventrally. Outer lateral seta 1434 long and naked, 
pedicellate dorsal seta 394 and naked, outermost distal seta 235y 
and naked, innermost distal seta 3524 with row of spinules along 
inner edge, and the 2 long median terminal setae 517 (outer) and 
583 (inner), both inserted between dorsal (unornamented) and 
