FOOD HABITS OF SHOAL-WATER DUCKS. 
53 
TaBLe I.—Items of vegetable food identified in the stomachs of the ducks treated in this 
bulletin and the number of stomachs in which found—Continued. 
Kind of food. 
Total number of stomachs examined.............. 
SUBKINGDOM SPERMATOPHYTA—Continued. 
Chenopodiaceae: 
Chenopodium album (lamb’s-quarters)...-.---- 
Chenopodium sp. (pigweed).............------- 
Atrplerisp:: (Salt busn))ss-2. seeeeen eee eee eee 
Salicornia ambigua (glasswort; picklegrass). - - .- 
_ Amaranthaceae. 
Amaranthus retroflerus (green amaranth)......- 
Amaranthus Sp. (pigweed)........-..---------- 
Caryophyllaceae. 
Spergula arvensis (corm spurrey)...-.---------- 
PA ENATIUSP teeicee Soon ee ee en ome See 
Wnidentifiedsso.<fs- eee eee aaa eee iia gis ce 
Portulacaceae. 
Portulaca oleracea (common purslane) 
Portulaca'sp. (purslane). ....------.----------- 
Ceratophyllaceae. 
Ceratophyllum demersum (coontail; hornwort). . 
Nymphaeaceae. 
Wnid entined S255 samen tee oe se acienicien 
Nymphaea advena (cowlily; spatter-dock). ...-- 
Nymphaea microphylla (small yellow pondlily ) 
Nymphaea mericana (banana waterlily)....... 
Nymphaea sp. (yellow pondlily)..........---.. 
Castalia odorata (Sweet-scented waterlily)...-.. 
Castalia tuberosa (white waterlily)........-..-.. 
Castanasp: (waterlily)-<.s.cs. sea. esse - 5-2 a 
Casialiasprs Cuber Siker<ae a aioee ee sees Sass 
Brasenia schreberi (water Shield)...-...--.--.-.. 
Cabomba caroliniana (Carolina water shield)... 
Ranunculaceae. 
Ranunculus delphinifolius (yellow water-crow- 
Ranunculus sp. (crowfoot)........-..----.---.- 
PA PAVC hACCAR Tee eemroiscisisit ig sete stele S- es saea acta 
Cruciferae. 
Winidentitiicd see tess caters eee ns See ec ee 
TASHCO SPs GWUSbATC) =e. < os 2 =a e 52s 
Barbarea sp. (winter creSs)..........-----.-..-- 
Hamamelidaceae. 
Liquidambar styracifiua (Sweet gum).........-. 
Rosaceae. 
Wimidentifiedsesseeses tas mar ok eS eec ce 
Crataegus Sp. (hawthorn).....-..-- Si eset ee ae 
Fragaria sp. (Strawberry)...---.-------------«- 
AMPS (DEAMUDIC) <5 <3 cosas asco ese tess 3 
HCD SISTEM OSC) See e alec Se Se ain Seriwtato sss Seas Se 
Leguminosae. 
Cassia marylandica (American Senna).....--..- 
Cassia sp. (unidentified Senna).......--....---- 
Trifolium arvense (rabbit’s-foot clover)......--.-. 
Trifolium sp. (clover).....-.- : 
3 | 
Green- | Blue- | Cinna-| 
Sed; Balt: winged | winged) mon 
yp ate spe tealk teal. teal. 
417 255 653 319 41 
Sheer calpeeeeaes | 23 gage tae | Sass 
mS hee ey ea ee 1 1 
Sass 2 Dh see a Pee eee 
1 3 TA eae ee fee roe 
i Reese 20 5 1 
Seay eer os Piel ee eee eee | Se narra 
Se ae Pains aby Se Rd lee ee ee 
SES a AAS es Ota 1 ee 
2 2 Fated eases he a Veep cna 
59 3 20 el eee ee sal 
Seis ” PRU Risers sae I 
3 il 10 14D ee | 
Aga eee | 
1 Dil 20 18 | see | 
| 
Cae i tind [ok eee 2 1 1 
5 8 8 Qlesesose 
Raid. Ses eee Shel | Saws en Seni emer 
ok TES et | Se ee fe See ee 
ee epcoai el | feteke Se 1 bey [pee ed Wen oe 
Petal eee (RP ares (ha eee 
eee Se A epee 2 1 ese 
SOS SSCS Boas eee Tole -Aewse 
1 2 15 Gy Seetese 
a peat | 6 3 1 
Pin- | Wood 
tail. | duck. 
790 413 
Onl vane 
Msi es ee 
Someone 
a frs521 as eee 
Die Seen ne 
Lee -- 
lal ieee aes 
| 
25 186 
| 
ipl Sasoesc 
AY rete 4 
eee se 5 
Ag Asai 
6 3 
1 3 
oe | 4 
9 | 3 
34 11 
Eee 2 
17 13 
Tes tease 
Soha ee 1 
peo! 5 
Des] eee 
12 6 
43 4 
Ihe sree 
5 hi ea eos 
Toltewess 
el ersrereverei= 
