18 
“TERRA NOVA” EXPEDITION. 
“ Terra Nova.” “ Discovery.” 
---^ 
Syntypes. 
Stn. 349. 
Stn. 338. 
Stn. 220. 
5 fms. 
130 fms. 
$ 
? 
8 
? 
8 
Length of trunk 
9-25 
7 
•o 
9-0 
ll-o 
9 • 75 
Width between second and 
third lateral processes 
2-4 
1 
•52 
2-56 
2-8 
2-72 
Width across second lateral 
processes 
7-0 
7 
•3 
7-0 
8-8 
8-0 
Length of abdomen 
2-0 
1 
•84 
2-24 
2-48 
2-4 
Third leg (right or left) - 
Coxse 
7-0 
5 
•25 
6 • 75 
8-2 
7 • 5 
Femur 
26 • 2 
21 
•o 
20-5 
23 -5 
24-0 
First tibia . 
23-5 
20 
•o 
18-5 
21-3 
21-5 
Second tibia 
22-25 
19 
•o 
17-0 
19-25 
19-25 
Tarsus 
13-0 
9 
•36 
10-0 
1 i-o 
11-5 
Propodus . 
9'2 
6 
•o 
8*75 
8-5 
9-6 
Claw 
P.i 11, 
4-88 
4 
•24 
4-0 
4*15 
5-44 
1 clip 
Second segment . 
io-o 
8 
•24 
8-4 
10-3 
— 
Third 
•8 
•8 
•96 
•96 
— 
Fourth ,, 
6-56 
5 
• 12 
6-0 
7-2 
— 
Fifth 
2-08 
1 
•6 
1-84 
2-08 
— 
Sixth ,, 
3-04 
2 
•48 
2-64 
3-04 
— 
Seventh ,, 
•88 
•88 
1 -04 
1 '04 
— 
Eighth 
1-6 
1 
•6 
1-6 
1 -68 
— 
Ninth 
2-0 
1 
•92 
1-76 
1-76 
— 
Remarks .—Following the example of Mr. Hodgson, I have included under this 
name a number of specimens showing marked divergences in the relative lengths of 
the proboscis and of the legs. The species appears to be the commonest of the genus 
in the Ross Sea area. 
Colossendeis „ wilsoni, sp. n. (Text-fig. 2). 
Occurrence .—Station 220, off Cape Adare, 45-50 fathoms ; 1 $ (Holotype). 
Description.—Trunk very compact; its greatest width, across the first pair of 
lateral processes, little less than its length ; lateral processes in contact except for a 
slit-like interval between the third and fourth pairs. Ocular tubercle very broad, 
transversely oval as seen from above, bluntly rounded; eyes dark, anterior pair (or at 
least their pigmented area) much larger than the posterior. On dorsal surface behind 
ocular tubercle is a strongly convex area defined posteriorly by a crescentic groove. 
Proboscis decurved, a little longer than trunk, sub-cylindrical, slightly dilated 
about the middle and again at the tip. 
