28 
TABLE II.—Items of animal food identified in stomachs of mallard ducks and the number 
in which fjound—Continued. 
BULLETIN 720, U. S. DEPARTMENT OF AGRICULTURE. 
Kind of food. ae ae 
Total nuntber of stomachs examined...........--.--------------e-0-eeee-- 1,725 622 
CLASS Insecta (INSEcTS)—Continued. 
Order LEPIDOPTERA (Butterflies and Moths). 
Ceratocampide. 
> Anisota sp. (pup of oak caterpillars). (2222222. 5-22 10 ---------- 
INOCLOIG=S (CULM OFMS ec etc a Se oa re ee ee eee er Ener 2| 1 
Pyralids Soe es ee ee ee a Rare Se ae ee ee ee aes 3 | 5S aaa 
ined as ee eS Sts oe ee ee es olen eet ee eee | 3 
Wnidentii#ied TROLS sees ane Ss ses oe ee ence ee 2) eet 
Wnidentiried\ Cocoon far 25— 2 Sse a ee ee ree ae 20 |---------- 
Unidentified chrysalids...........-.-- d sorted Sa AEA an tes Nae te § oa a ee 9 |---------- . 
nidentsmed carerpilars - osteo see a ee ee ee eee 2 3 | 
Order COLEOPTERA (Beetles). | | 
dgridenined beetles 20 2 Cove a ean ee ee ee Bae ee: 
CicindenGredive;r i DeeTles) 2 eee. ere ee en ee ee | i ie ee ee ee | 
Carabide (ground beetles). 
Anomoglossus pusillus.......-.-------- Te lembns cn be ee ae eee DS ote ey 
BS PMUMIRA FAQUEES <n oe a eet See ee te Sere Me ee eee i Coe Sete | 
‘Bembulsum verswolor: 505238 5.2 8S ae FS Sesh in ee ee ee eee ees 
Bemis SP = 22 eA e Soe ee ee eR oi Basses k 2 
OSEEVENIC OT UST GED Ste oo Te Re eS ey eee ie (eons er 
DY SCHATIIES SPo en ee ee ee ee i eek Sn 2 oe | 
Galeritis pos. re Se BBE Sh on ee ee ee eee 1 Seeesesese 
Harpalus autumnalis...........--- Wh Aaa eek th bie 14 MiP ti eee eke | 
DrCOUUOTUGUS 52 ape cB Bee. Ril ee ee oe, Se eee ee | 
APD UNOPRULED. WO = FAROE oa) epee ete ye oe Ok ee eae Sv seeriae os 
DEUS Rae sae re oe ee Se ee ree ae 1 Beene 
HD OLUNUTUS DELOT Pe fe ee Ae See i Oe ee | eee Ie Ree ee 
Godesiiumiaiis — Raes soe Ne eee oe eee ee ee ee eee i Ry eran ace 
PLE NUS SUT UEO DUTCLOLUS So oo ee 1 eee 
SS CONILES SUDLETTONCUS Ee S25 os es OS ee ee ee eee 10) | = eee 
WCUSILES SP ce an nok ee He aa an Se ae ee ee ee eee = BaeceeeeS 
Unidentiied: 27 oe cones te SSeS ee eee eee 18 5 | 
Haliplide (crawling water beetles). 
Haliplis punctatus 5. js 22 ts ses ns ee ee 7 J (ea ae 
Haliptus t10psis 22-23 So Se ee ot ace eas 1 1 | 
TET LTE ys OSE ee Sein AS SS ele So ie yeah seri Reet ncaa eee ee 3 2 | 
Peltodytes pedunculatus 2 522 se ee ae ee ee ee tS eer 
Peliodytes spss So 3 Ea ee eee OO ee 
Wnidentafied : — Ws. 23.22. kee ee ee eae (i es <= 
Dytiscide (predacious diving beetles). | 
A CHIUS TFOLETNUS | 22505 a =k SAS eos EE [ace 520 oe 
A GUUUS DUNCTULOLUS | - 2232 Se ee eee LS - Saree 
Gaoniigiras UiCOUr,. 2.220 2 5S oe SAF it Pct ae 
Canthydris muncticolits : . = 522 ..= 2525s. eee ee oe ae ee 
COningiraawnicolor.-= = =. 55: 222) SO ee ee Sang eS ees 1 Le eee | 
Canthgurus sp is 22-62-2252 os SS eS eee 1 en ee | 
Grimumgrossiias ©. 2020 ko 2. Le ee ee re iy Bee 
Celambus sp...-.------ ee legteces Lt oss Ps eee eee : eae: 
Colpris tnjlituse ste a Se eens tee 
Colymbetes spi eons Se CG oe oe eee eee Ag Bi graas ie deg 
Copelatus glyphicuss -....- 23-= =~ 2: -- 222 23 3 ee ee a eee 3 1 
Coptotomis tnterrogotus nnn) = 6 ces one ss eee eae ee a eneee ee ena eee n eee 3) fos ooh 
51 
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