338 
asymmetrical expanded base, no barbs visi- 
ble), 2(1, minute), 3(1, distinct seta), 4, 5 (one 
setal ring visible), 6(1, heavy at base, sharp- 
pointed, stiff, almost reaching to apex of 
valve), 7(1, stiff short spine), 8(1, similar to 
6, almost reaching to apex of valve), 9(broken 
off), 10, ll(not observed), 12(1, short stiff 
spine), 13(1, strong, twisted at base, longer 
than valve, sharply attenuated) ; tracheal 
trunks extremely slender, as figured. Segment 
X: saddle lightly pigmented, darker dorsally; 
median width 0.53 of length; imbrications 
strong dorsally and apically, with faint spi- 
cules; caudal margin with a few short, heavy 
spines and enlarged spicules on apical im- 
brications; gills slender, about 0.7 of saddle 
length; hair 1(5, 6b, about 0.2 of saddle 
length), 2 (4b, about 1.6 of saddle length, 
stiff, heavy, and with nonattenuated, sharp 
apex), 3(brokenoff), 4a, b(2b, about 1.1 of 
saddle length), 4c, d(l, about 1.1 of saddle 
length), 4e(l, about 0.85 of saddle length). 
Types 
USNM No. 61,417 (holotype, allotype, 
paratypes) . Paratypes to be deposited in 
BMNH, CU, and CSIR (Canberra); also in 
coll. JNB. 
HOLOTYPE FLP(624-24) Guadalcanal: To- 
girie Swamp, midway between Bonegi and 
Poha Rivers, Aug. 23, 1944 (V. R. Roa and 
F. B. Wysocki). allotype MLP (921-301) 
Guadalcanal: swamp west of Poha River, Mar. 
20, 1945 (JNB, M. Cohen, E. Winkler). 
PARATYPES (69M, 70F, 37P, 320L; 17 in- 
dividual rearings), all collected on Guadal- 
canal, as follows: IF, 3L(4-1) Doma Cove, 
Oct. 21, 1943 (JNB); 3M, IF, 6L(8) Doma 
Cove, Oct. 22, 1943 (JNB, R. J. Schlosser, 
L. J. Lipovsky); IMLP (83-33), 2L(83-3) 
Matanikau River valley, Dec. 5, 1943 (JNB); 
16L(86-1) tributary of White River, Dec. 6, 
1943 (S. Civinski); 1M(149) slough, Bonegi 
River, Jan. 13, 1944 (JNB) ; 2M, 2F, 31(174-3) 
Tassafaronga, Jan. 25, 1944 (S. Civinski); IF, 
7L(401-2) Mamara River valley, May 25, 1944 
(S. Civinski); 1FLP(455-21), 2L(455-2) Sally 
PACIFIC SCIENCE, Vol. VII, July, 1953 
Creek, Doma Cove, June 14, 1944 (JNB); 
lMLP(547-33) Burns Creek valley, Aug. 1, 
1944 (L. J. Lipovsky, M. Cohen, S. Civinski); 
1M(564) Poha swamp, Aug. 5, 1944 (V. R. 
Roa, F. B. Wysocki); 1MLP(616-11) Poha 
swamp, Aug. 19, 1944 (V. R. Roa, F. B. 
Wysocki); 4MLP(647-11, 12, 13, 17), 
2L(647-1) Poha swamp. Sept. 16, 1944 (V. 
R. Roa, F. B. Wysocki); IMLP (654-14) 
Poha swamp. Sept. 23, 1944 (V. R. Roa, F. 
B. Wysocki); 2FLP (676-31, 32), 1MLP(676- 
33), IM, IF, 5L(676-3) West Poha swamp, 
Oct. 16, 1944 (JNB, J. Laffoon); IM, IF, 
5L(708-4) West Poha swamp, Nov. 1, 1944 
(JNB); 2FLP(713-11, 12), 1MLP(713-21), 
5M, 6F(713-1), 1F(713-3) Poha swamp, Nov. 
3, 1944 (L. J. Lipovsky et al.)\ 2M, 2F(7l4-2), 
Poha swamp, Nov. 3, 1944 (J. Laffoon); 5M, 
4F, 9L, 11P(734-1) East Burns Creek, Nov. 
15, 1944 (C. Calloway); 3M, 2F, 5L(775-3) 
Matanikau Village, Dec. 9, 1944 (JNB, J. J. 
Cuccio, F. B. Wysocki); 1M,*2F, 4L(796-3) 
White River valley, Dec. 27, 1944 (F. B. Wy- 
socki, Shaw); 3M, 3F, 26L, 2P(802-3) West 
Poha swamp, Jan. 5, 1945 (M. Cohen, C. 
Calloway, Shaw); 2M, lF(842-2) Tyler Creek, j 
Jan. 24, 1945 (Hawkins); 6M, 6F, 116L(816- | 
3) West Poha swamp, Jan. 12, 1945 (M. Co- 
hen, F. B. Wysocki); llL(837-3) West Poha 
swamp, Jan. 20, 1945 (J. J. Cuccio, F. B. 
Wysocki); lF(846-2) Kukum, Jan. 30, 1945 i 
(M. Cohen, F. B. Wysocki, J. J. Cuccio); 
3F, 59L, 5P(848-2), 4M, 10F(848) Lankford 
swamp, Kukum, Eeb. 1, 1945 (J. J. Cuccio, i 
C. Calloway, Williams); 2FLP(850-31, 35), ' 
4M, 2F(850-3), 2M, 1F(850) Lankford | 
swamp, Kukum, Feb. 2, 1945 (M. Cohen, J. | 
J. Cuccio, F. B. Wysocki); 2F(921-3) same i 
data as allotype; 2M, IF, llL(958-2) Poha j! 
valley, Apr. 28, 1945 (J. J. Cuccio, E. J. Me- j 
Cormick and V. R. Roa) ; 4M, 4F(970-3) West 
Poha swamp. May 6, 1945 (JNB); 1F(1140) il 
routine night catch, Poha area, Apr. 5, 1944 || 
(S. Civinski); lF(Sta. 5) routine night catch, f 
mouth Matanikau River, Mar. 14, 1944; ' 
2M(1283) flying and resting. West Poha 
swamp, Nov. 3, 1944 (L. J. Lipovsky); IF, | 
