140
ANTON F. R R U U N
by Ege (1939) after Schmidt’s untimely death in 1933, and it may very
well be maintained that no genus of fish has been treated taxonomically
in so thorough a way. I may briefly summarize some observations from
Ego and at the same time mention A . japonica, which is so closely
related to the two North Atlantic eels.
TABLE I*
Anguilla
unyuilln
A . roatrah
A . japonica
_ _ - _ _ _ ~
_._______
____.__. ___
Pronnnl lcmgth as yo of totul
lo11gth
.
. 41-56 43-83 42’73 43.90 38.85-40.03
_ _ _ _
_ _ -
- -
__------- - I _
Prortrictl length - h o d lcngth
total longth
as %
.
. 28.33-30.40 29’70-30.10 26.5626‘94
-~
Tlistanco from origin of dorsal
fin to anus us yo of hotal
longt,h .
. 10.31-1 1.62 8.80-9.63
9*01-9*35
~
Prodorsal length without head
as yo of total length . . 17.93-19‘32 20.23-21.01 17.52-17‘72
Head length as % of total
length .
. 11.20-13.39 12.90-13.78 12.24-13.16
Length of gape as % of head
length .
. 22.73 -26.51 25.88-27.23 23‘95-27.53
Nurnrrid characters
I’rnliuciiinl vort. .
. 44-45.2-47
41-42.8-45
42-43-6-45
Total vortobruo .
. 110-114.7-119 103-107.2-111 112-115.8-119
Branchiostegal rays
.
10.8
11.0
11.4
Pectoral rays
.
17.4
16.7
17.3
data havo been given by N. B. Marshall instead. For further details me Ege (1939).
In his manuscript Bruun had ueed the expressions “high” m d “low”. Numerical