8 U. S. BUREAU OF FISHERIES. 
Length, 101 to 125.—Length, 120. Number examined, 1. Food: Amphipods, 20; 
annelids, 30; ostracodes, 5; univalve mollusks, 20; débris, 25. 
STATION 15. GREAT POND, EAST FALMOUTH, JULY 22, 1915. 
[Low tide, 1 to 2 feet of water; bottom, sand and mud with clams; seining done along edge of eelgrass half- 
way up the pond; water clear, 78° F.; flounders, abundant.] 
Length, 51 to 75.—Maximum length, 72; minimum, 52; average, 66. Number 
examined, 9. Food: Amphipods, 20; annelids, 50; Cumacea, trace; isopods, 6.6; 
débris, 23.4. Parasites: Distomes in each fish, average, 22.6. 
Length, 76 to 100.—Maximum length, 96; minimum, 78; average, 88.2. Number 
examined, 4. Food: Amphipods, 15; annelids, 51.2; isopods, 20; débris, 13.8. 
Parasites: Distomes in each fish, average, 16.2. 
Length, 101 to 125.—Maximum length, 125; minimum, 105; average, 115. Number 
examined, 3. Food: Amphipods, 18.3; annelids, 58.3; isopods, 3; ostracodes, 0.3; 
débris, 20. Parasites: Distomes in each fish, average, 12.6; Sporozoa, cysts in intesti- 
nal wall of one fish (length, 125 mm.). 
Length, 126 to 150.—Length of each, 135. Number examined, 2. Food: Amphi- 
pods, 5; annelids, 87.5; clams, 6.2; débris, 1.2. Parasites: Distomes in each fish, 
average, 1.5; Sporozoa, numerous cysts in intestinal walls of one fish. 
Length, 151 to 175.—Maximum length, 175; minimum, 155; average, 168.3. Num- 
ber examined, 3. Food: Annelids, 65; clams, 16.6; débris, 18.3. Parasites: Dis- 
aes a eee fish, average, 15.3; Sporozoa, cysts very numerous in intestinal wall 
of one fish. 
STATION 16. EEL POND, JULY 25, 1916. 
[ Bottom, eelgrass and mud.] 
Length, 51 to _75.—Maximum length, 72; minimum, 58; average, 59.8. Number 
examined, 5. Food: Amphipods, 51.2; annelids, 1; Cumacea, 13; débris, 34.8. Para- 
sites: Distomes, 2; nematodes, one small Filaria in one fish. 
STATION 17. CUTTYHUNK, JULY 26, 1916. 
[ Bottom, sand and eelgrass.] 
Length, 26 to 50.—Maximum length, 50; minimum, 36; average, 43.7. Number 
examined, 7. Food: Amphipods, 38.5; annelids, 22.8; copepods, 5.3; ostracodes, 0.8; 
débris, 32.4. Parasites: Distomes, 6.5. 
Length, 51 to 75.—Maximum length, 75; minimum, 52. Number examined, 2. 
Food: Amphipods, 56; annelids, 25; insect larve, trace; débris, 24. Parasites: Dis- 
tomes, 23; nematodes, 2.5. The débris consisted of annelid and crustacean fragments, 
and diatoms; the latter were interpreted as having been introduced with the 
amphipods. 
STATION 18. N4 USHON, BUZZARDS BAY SHORE, JULY 26, 1916. 
[ Bottom, sand and eelgrass.] 
Length, 26 to 50.—Maximum length, 40; minimum, 37. Number examined, 2. 
Food: Amphipods, 35: annelids, 20; copepods, trace; débris, 45. Parasites: Dis- 
tomes, 6.5. 
Length, 51 to 75.—Maximum length, 65; minimum, 52; average, 55.6. Number 
examined, 6. Food: Amphipods, 77.1; annelids, 15; copepods, trace; insect larve, 
0.1; ostracodes, trace; débris, 7.6. Parasites: Distomes, 10.8; nematodes, 0.5; Spo- 
rozoa, 1 cyst on serous membrane, between stomach and liver of one fish. 
STATION 19. KATAMA BAY, MARTHAS VINEYARD, JULY 27, 1915. 
{[Bottom, sand, with much alge. The bay had been closed on the ocean side for the preceding six years. 
There is, therefore, but little current produced by the tides. Flounders, few.] 
Length, 26 to 50.—Maximum length, 49; minimum, 28; average, 38.5. Number 
examined, 12. Food: Amphipods, 32.7; annelids, 11.8; Cumacea, 1.8; copepods, 
26.3; cdelenterates (Sagartia), 0.5; univalve mollusk (Crepidula), 1.3; larval Crus- 
tacea, 1.8; nemerteans, 0.5; ostracodes, 4; débris, 19.1. Parasites: Distomes, maxi- 
mum, 317; minimum, 3; average, 99.7; Sporozoa, 1 cyst on intestine of smallest fish. 
In one fish (32 mm. in length), the alimentary canal was empty except for the presence 
of distomes, of which there were 317 in the stomach. 
