120 
Name of Species. 
Discoarachne brevipes, Hoek, . 
Hannonia typica, Hoek, 5 
Phoxichilidium fluminense, Kroyer, 
Phosichilidiwm insigne, Hoek, 
Nymphon brachyrhynchus, Hoek, 
Nymphon brevicaudatum, Miers, 
Nymphon fuscum, Hoek, 
Ascorhynchus minutus, Hoek, 
Pallene languida, Hoek, . 
Pallene levis, Hoek, 
Pallene australiensis, Hoek, . ‘ 
Phoxichilidium patagonicum, Hoek, 
Pycnogonum litorale, Strom, . 
Colossendeis megalonyx, Hoek, . 
Nymphon grossipes, Oth. Fabr., sp., 
Nymphon brevicollum, Hoek, . : 
Colossendeis robusta, Hoek, 
Ascorhynchus orthorhynchus, Hoek, 
Nymphon robustum, Bell, : 
Colossendeis leptorhynchus, Hoek, 
Nymphon strom, Kroyer, . . 
Nymphon macronyx, G. O. Sars, 
Colossendeis proboscidea, Sab. (sp.), + 
Phowichilidium patagonicum, 
var. elegans, 
Oorhynchus awucklandie, Hoek, 
Nymphon perlucidum, Hoek, . ° 
Nymphon longicoxa, Hoek, 
Nymphon compactum, Hoek, . 
Colossendeis minuta, Hoek, . . 
Ascorhynchus glaber, Hoek, . 
THE VOYAGE OF H.M.S. CHALLENGER. 
Depth 
in 
Fathoms, 
7-20 
7-20 
10-120 
25-125 
25 
38 
38 
38-40 
38-120 
45-120 
53 
55-120 
83-540 
83 
120 
150 
375-540 
400-1600 
515-540 
540 
540 
600 
700 
825 
1100 
1100 
1250 
1375 
Condition of the Eyes. 
Small; placed on a blunt tubercle. 
Small; placed on a rounded tubercle. 
Two anterior a little larger than 
the two posterior. 
Size of the eyes different, as in the 
foregoing. 
Large ; oculiferous tubercle pointed. 
Small ; oculiferous tubercle ex- 
tremely elevated. 
Small; touching one another at 
the tip of a not very prominent 
tubercle. 
Small; oculiferous tubercle not 
very prominent. 
Middle-sized; tubercle blunt and 
low. 
Middle-sized ; tubercle acute. 
Two anterior large, the two pos- 
terior much smaller. Tubercle 
high, but blunt. 
Extremely small; tubercle blunt. 
Two anterior a little larger than 
the two posterior. Tubercle ele- 
vated. 
Large; placed at the base ofa high 
and acute oculiferous tubercle. 
Large; oculiferous tubercle low. 
Two anterior large, two posterior 
small; oculiferous tubercle ele- 
vated and acute. 
Middle-sized, with pigment ; oculi- 
ferous tubercle acutely pointed. 
No lens, and no pigment. 
Two small spots (rudimentary 
lenses?) at both sides of the 
blunt tubercle. 
Two larger ones directed forward, 
two smaller ones backward. 
Tubercle blunt. 
Not very large; tubercle bifid at 
the extremity. 
Two small spots (rudimentary 
lenses?) on both sides of the 
oculiferous tubercle. 
Two large eyes directed forward, 
two smaller ones directed back- 
ward. Tubercle high, acute. 
Small, with pigment; tubercle 
directed forwards. 
Small; the pigment light-brown- 
ish; tubercle lowand blunt. 
Observations. 
Ablunt oculiferous tubercle, 
without eyes or pigment. 
Form of the tubercle differs 
with age. 
Form of the tubercle differs 
with age. 
Oculiferous tubercle ob- 
liquely truncated. 
Younger specimens with a 
more elevated tubercle. 
Tubercle of the younger 
specimens elevated, 
Oculiferous tubercle low, 
without pigment. 
Oculiferous tubercle repre- 
sented by a round spot. 
Two small rudimentary 
spots, without pigment; 
tubercle blunt. 
Oculiferous tubercle elevated. 
