RESEARCHES ON RACES OF HERRINGS. 79 
measurements and condition of gonad are shown with those for Sample IIT 
in the following table :— 
| a 
| Hr. min. | Hr. min, | 
50 12.40 p.m. Dee. 15 2.10 12. 2pm. Jan, 6 =| 22 | 
100 Oe. b: | iat se DS =... - 4.58 | 
150 70 5 9. 0 AQ & | 6.40 
200 85b! = | 10.25 790) = - 9.20 
250 10.13% ,, * 11.43 847; . | 10.47 
300 11.55 a.m. Dec. 16 25.25 10. 4a =. As hw Poses 
350 seu. 0. |} begs es eee Jan. 7 | 95.49 
400 4.35 ,, re 30. 5 245 PM. ,, | 28.45 
450 POWs P. fs 32.50 ABORY, - 30.30 
500 8:50! us ie | 34. 0 LO oe, . |) 3ae-0 
5bOor| 9.40. ,, B | 35.10 is ane . | 33.35 
525 
EXPLANATION OF RECORDS OF CHARACTERS la AND 
lp IN SAMPLES II AND III. 
In Sample III two characters in addition to those recommended by the 
Board were examined in a few fish. These characters are la and 1b. 
Character la, as in Sample II, is the shortest distance between a tangent 
to the posterior border of the maxilla taken at right angles to the long axis 
of the fish, and a tangent to the tip of the lower jaw at right angles to the 
long axis of the fish. Character 1b is the shortest distance between a 
tangent to the posterior border of the orbit taken at right angles to the 
long axis of the fish, and a similar tangent to the tip of the lower jaw. 
It was found, however, that the taking of those measurements would 
decrease the number of fish examined within the shortest time recom- 
mended for the Characters 1 to 9, hence it was decided at an early stage 
to discontinue to take the additional ones. 
EXPLANATION OF RECORDS OF CHARACTERS 13, 14, 
AND 17 IN SAMPLE If. 
With regard to Characters 13, 14 and 17 on the sheets an attempt has 
been made in the case of the fins (13 and 14) to analyse them, and in the 
case of the vertebre with hemal arches to give additional information. 
The records for these characters are given in the general form of a+b. 
In Sample III the dorsal and anal fins (13 and 14) were analysed in the 
following manner : in each case the fin-rays in the anterior portion of the 
fin equal to or less than two-thirds the height of the longest rays were 
