248 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 
The following detailed data show the nature of the stomach contents 
of series of silversides from Woods Hole, collected at frequent inter- 
vals between April and December, 1900, by Mr. Vinal N. Edwards. 
Incidentally, the length, sex, and spawning condition are given. 
Stomach contents of silversides from Woods Hole. 
(Great Harbor, April 1, 2 p.m.; bottom grass and mud; aes pas of water 37° F.] 
No. Total 
length. Sex. Spawning condition. Stomach contents. 
Inches. 
1 4,12 | Male ...:: Gonadsismall... 2... -.e.0===< Copepods. 
2 4,50 | Female...}]..... OMe toc coches eee eer er Fragment 1.5inches long of slen- 
der fish. 
3 4 Mae iecec'| serene Full of copepods. 
4 4,25 | Female...|..... do Do. 
5 4025" | eco GOR el easen Do. 
6 B00.) Malev Sa.2|o cee | Copepods and 1 amphipod. 
7 3.37 | Female...|..... | Em 
8 9,.40)| Male 2. c2.\ occas Ful or copepods. 
9 3.12 | Female...|..... | Empty. 
10 DHOOM NBILS Se. ale wects Do. 
[Eel Pond, sacks 5,10 a.m.; bottom grass and mud; ee of water 38° F.] 
a 4.75 | Male ...<- Full of small copepods, 
2 4,12 | Female... Do. 
3 4.37 | Male ..... Do. 
4 4 Female Copepods and mysis. 
5 40060}. ce. do Full of copepods. 
6 B20 |code do Do. 
7 BID leecns do Mysis and copepods. 
8 3.75 |... do Distended with copepods. 
9 4.94 | Male ..... Mysis and copepods. 
10 4 | Female Full of copepods. 
ue L 
{Great Harbor, April 12, 10 a.m.; bottom grass and sand; temperature of water 39° F.] 
| 
al 4.06 | Female...) Gonads well advanced..... Copepods and mysis. 
2 SiOZi eee GO esachseces GOhenteteeree eee eee Copepods, 
3 4°95, Wale: oo oxcl-. ses WO inceceucceseeecc.< hee Copepods and 1 mysis. 
d ono lsmecs OG pees eae DON are syscsoisyainre sib alorsre siete Mysis and a few copepods. 
5 SiDG) | derees GOwnc5 loess dO, 2 eke cok sac etes Few copepods 
6 4.37 | Eomalbe ee cecere GO 2 sis. cnecessecscosn cee 0. 
7 7 ee OG 2ee| ences CO ve:stees ole ctasienisiac oseicvente Full of copepods. 
8 8iB0)| Male... <|'sc00' (5 (0 Noe ee Reems Se Copepods and mysis. 
9 Pe al eee CO'enclesese QO .2ececsecccse ses sacece Few copepods. 
10 Gel A PMCMALE Ss: sicece. OOo et tdesctemedseiosces Do. 
1 ae - 
{Great Harbor, April 16, 10 a.m.; bottom grassand mud; temperature of water 40° F.] 
1 4.56 | Female...; Gonads advanced .......... Full of small copepods. 
2 AS essex do....| Gonads small .............. Do. 
3 QD tana do =.-.| Gonads larpe ss cee cc e eee Copepods and mysis. 
4 rE ase do<s--| WelliadvanCed < a2. e0ciecis 26 Full of mysis. 
5 4562.) Male csc.i|tosen COC oose so ss cenane beers Distended with copepods. 
6 4 Female...) Gonads large ..........-...6 Do. 
it 8206 | Male <22<.olscec (6 (0 Ree ee ere ee ey Full of mysis. 
8 3.37 |..... GO lise lerseay COE re a2 cabin oe areicine terete Full of copepods. 
9 BeDGecene GO scsultie Osc ccct ee ccascetecs meen Do. 
10 B12 ls Sccce Ome leanne GO Faanee tocwsesaeemenne Do. 
{Eel Pond, iki 20,11 a.m.; bottom mud and eelgrass; temperature of water 44° F.] 
1 3.75 | Male ..... | Gonads largess -2o2e. casa ace Copepods. 
2 4,37 | Female...| Well advanced ........----- Few copepods and mysis. 
5 3.56 | Male .....|..... GO nthe faa n tee Full of copepods. 
4 4.18 | Female...| Gonads small............... Do. 
5 Ate, Cligsccors do....| Well advanced ............. Full of mysis and copepods. 
6 BOL Vewe=s do ....| Gonadssmall............... Full of copepods. 
vi 9.432) Male -.ccclecs.c Ooi ncease eee Do. 
8 Amn Acre dows |e-4 GO eaceeheee eee eee Do. 
9 3.31 | Female...| Gonads iarge............--. Empty. 
10 BES Tales dow...) (Gonads'ismaliin -.-2-5.- 508 Full of copepods. 
