24 BULLETIN 720, U. S. DEPARTMENT OF AGRICULTURE. 
TaBLe II.—IJiems of animal food identified in stomachs of maliard ducks and the number 
in which found. 
: Common 
Kind of food. mallard. 
Total mumber of stomachs examined 22 52 3-2 <2. = onsen eee e eee eee eee << i> 
SUBKINGDOM C@ELENTERATA. 
Alcyouaria (Sea tans)! .2 2.252282 552525252 ote eae ae cote ne cenece ates Le ee 
Hydrozoa (Hy droid). 220502 e sees saa aee ee ene oe eae 1 
SUBKINGDOM NEMATHELMINTHES. 
Gordiidse Chairworm) = 22sec seen coe eee oe Seen 1 
SUBKINGDOM MOLLUSCOIDA. | 
Phylactolaemata (fresh-water Diy 0208) = =. 2.25 saooce se eecenee see ese een ee 12 
SUBKINGDOM ECHINODERMATA. 
Echinoidea (sea urchin) Ppa a cee ee ee a ee a ed ee ea re eae Fe Ee St 
Wan dentitied nin eli 2 25 oat eo ea ite ee a a ee ere 1 
‘iumbricomorpna (earth worth) esos ee ee ee ee 1 
NETeISiSP2CNAHING WOM) 2 2 cae soe eee Se Sans ee Se ee ee meee 2 
SUBKINGDOM ARTHROPODA. 
CLass Crustacea (CRUSTACEANS). 
Order CIRRIPEDIA (Barnacles). 
Balanus Gniphitrite- 4-06 ono 5 fone a os aan ee eee ee ee ee 
Chithamalis(F0qthts 422 Fae 5 a a ee ee ee ee 
Wnidentified =. 52 - 2S. so he nc Ske Se oS ene eee re ee ee ee ees | See 
Gammarid@ (sand-fleas). 
TANUMATUS CN NULATUS So eS a re ee 
GOMAMATUS LOCUSTDS 3 2 Se Oe Ee ee re 1 
Podoceride. 
AC phithoe TUuOTeCale 2} Ss _ osha ee ee ee eee bee ae 
Grubia compta.........- siya aalctas Sak Mee Dee Sn ee SS 
Photide. 
MICTOREIHODUS OTYNOURL DUS =... 3-5 5a 2 eee eee | ee Res 
Orchestiide. | 
LECTION Es 5) a ra ERT Re Af ee eS 2 
peBTVLEHG CONTIG on a ooo on sone wane os bao e Se Ong Eee ee ae eee 
EY CLEL MICK ETL DOCK ETE ico hn. w 50 on woot ao eee ee eee 1 
Or chestia Qritius opine) seen wae cnn es oe eee oe e ae eee ee ee 
TOUITUS TREQGIODNIRGUBUS 25 =. cons oo cen coca cen seman eee Pen ene eee 
Black Southern 
duck, 
622 
black 
duck, 
51 
tet et ee eee 
sete recess 
settee em eee 
set ew ere es 
sete tecece 
er 
PP oS eee 
