“Colossendeis megalonyx arundorostris n. subsp. (Fig. 7,8, 11-14, 21, 23)
MATERIAL EXAMINED
Atka Sta. 4 (= AT-4), 78° 10'S, 162° 22'W to 78° 09'S, 162° 30'W; 610 m, 1 (holotype) U.S.N.M. Holotype No. 113000, 1 juvenile'.
DESCRIPTION
Trunk, proboscis, and appendages extremely slim and attenuated. Type specimen and juvenile completely glabrous. Ovigeral spine field of configuration
NS: (Sp / A) : (MF / B) : ((N/P) / n=2)
in both specimens.
Dimensions
Type female
Juvenile
Left palp
24.87
16.56 mm
L. 9th segt.
2.13
1.19
L. 8th
1.99
0.93
L. 7th
0.40
0.26
L. 6th
2.8 x 0.33
1.69 x 0.26
L. 5th
1.99
1.19
L. 4th
7.05
4.39
L. 3rd
0.61
0.40
L. 2nd
7.90
6.51
L. proboscis
20.5
12.50
L. trunk
8.0
5.05
L. abdomen
2.4
1.33
Sep. lat. procs.
1.00
0.66
W. trunk across 2nd lat. procs.
5.2
2.2
3rd right leg
110.10
65.67
L. coxa 1
1.50
0.93
L. coxa 2
2.2
0.93
L. coxa 3
2.1
1.06
L. femur
30.2
16.76
L. tibia 1
24.5
14.60
L. tibia 2
22.3
13.30
L. tarsus
13.2
8.25
L. propodus
8.9
6.12
L. claw
5.2 (3rd left)
3.72
Relative Proportions
Type female
Juvenile
L. palp ÷ L. proboscis
1.21
1.32
L. palp ÷ L. trunk
3.11
3.28
L. leg ÷ L. proboscis
5.37
5.25
L. leg ÷ L. palp
4.43
3.96
L. leg ÷ L. trunk
13.76
13.00
L. proboscis ÷ L. trunk
2.56
2.47
L. femur ÷ L. tibia 1
1.23
1.15
L. femur ÷ L. tibia 2
1.32
1.26
L. tarsus ÷ L. propodus
1.48
1.35
L. claw ÷ L. propodus
0.59
0.65
“ (Fry & Hedgpeth 1969, p. 33, 34)