26 BULLETIN 720, U. S. DEPARTMENT OF AGRICULTURE. 
TaBLe I1.—Items of animal food identified in stomachs of mallard ducks and the number 
in which found—Continued. 
: Common} Black |’ outhern 
Kind of food. | black 
mallard. | duck. | duck. 
|. 
Total number of stomachs examined..........-.. eh Bt ae ae eae. oy 725 622 51 
Cuass Insecta (INSEcTS)—Continued. 
Order ANISOPTERA (Dragonflies). 
Unidentified: nymphs and adults <2. jocee 20 cen cene seecaee ane aa sae aoee 21 ign4h| Gite nowt 
ZEschnide. 
GOmpPhin ass he sasiatalarsars = visti S aic steraye rato re i ttere eee arte Sea emer aera 2 | 2. “Sep seal Sees = 
PE SRN OCOUPOTNICG 5s cise Nas Ae iaeisracie eeloe wee os ae ise IS Se eee 1 |......-.-+ p----+---- 
FE SRNOGISD 228 x ayro mo oe Bae eS eerie aw Seo sence SER eRe ee eae oor PS). Paes epg eset 
AOL UTUUS SN ata we ora cio ers elle ae sie aie SG SS Sas Se eae a en CS ae 3 itl ackescss. 
DI ROMOG OME DNAUS:SP sorce= meee eta SNES aS eo SS ee ee 13) --22 eke so aeanaee 
Libellulide. 
IMOCEOMIGULLTIOCN STS ae eee Pee ee eC ealelsteaieans cere eee 
J ATAU GUO TIUA DIU em coe Re ooh Gk ee 22 See Sse co Seb eer ee ceSsc oc = soues 4) | pasties eene see 
REET OG ONCUTIONS is ciara See ea at ata ae ashe amare at eee ee ee Dsfeackqea sec eee = Gee 
Umi dentifiede ao: Sashes end Jon Soe es oan see oe eee FE eee ee lazaeseseos 
Order AGNATHA (Mayfles). ; 
Unidentiiiedimayiites;and any miplse sass ae see ee ee eae eee eee 6 [el ee 
Order DERMAPTERA (Earwigs). 
AIMASOLBDIS MOLUETM OL oaiz wa aiccnie/stlewte ws Serna REISS LIER oer ROC REL ESE Ree eee i EA eT eae 
Order ORTHOPTERA (Grasshoppers, etc.). : 
lUmidentinedtOrthoperarandiegessaee sone cee ea esas eee eee neee eee eee eee - 20 1 OR eas 
Tettigide. 
(NOMOECLELE SP amet soso w ns iia Snins Bate Raa w ae Gee SEES AEC eee jG eee ee as fpebeneeeee 
RELETTIOT NU OLUS eterna rate ete hei ce en DIE EE eee eee Ls. |. s areopgoetaahee =e 
Umidentitied < 2Rste sackiadtaeciacrs hice nae rears Sener ery aloe neal water eerste 16 Datiauatiie ss 
Acridiide. te 
Melanoplus bivitiatus--.-----.----€2---------------------2-+---------- Ti. | ce cea Vian eee 
IMClaNG DUS SPsa85 eae ees eee Seeman Ee ode cope eae nena ces: 1-22 eee pe ue gate 
SOUSIGGAREL CUG EYL see 3 a noosa eb eons Sebo cocsec cee. = speecesscoeceaks: felceae eee haces ore 
eat err brie cies euhso das Be ee Sk cen ree ee nee en ear 6.) ees eeneles yecelie 
Locustidz (green grasshoppers).........-- scvciesrohapavanetarsyaict arareiawraverererctleters mer tele 5 '|da nomen eee MoEES 
Gryllide (crickets). 
INEMOOULSSP= Bo oe2 asia m Son Sat ro SORT IESE SESE ECEEE 3 WIS es 
Order PALEOPTERA (Roaches). ’ 
Windentitied noaches andes ese meet ee eee Di leccseihe Soho eee 
Order MALLOPHAGA (Bird Lice). 
LOiebie Kes OV AUG :%G Ee eee Cena i A Ee Beton amor taee pubesosekes | hal SE iene 3B fed aids so 
Order HETEROPTERA (True Bugs) 
Banidentiied= vs... 0. <2 ss bawteaet alee ee ee SOE ee 27 OM Fa es on ah 
Corixide (water boatmen). 
COTIGUACOAOMINGIS ai. cee eee ee eee | IS ines Sepcemcses| artes See aim 
COTIT OMRON ISIU = xo on 2 vse cn Soo ea odie cs ote secon sees Ee eee Irls2 Seen Sate eae eee 
lUmrden tified ss 25 3<ss2.-4.4 eS cocoa ee ee ee ee eee 39 11 3 
Notonectidz (back-swimmers). . 
INOLOTICCEC INS WIALO es. oe os LSB. oes ee eee i et eee rde desl ese eS nn 
IN OLOMLECLIL: SP) fe arate orcs sate ale Soni dials =a /alavaip’s ol estics eam eS Biwarasseb A shoe Wha SEEE Secke 1) Os eee 
PLCO SETI OUBS, wo Meryotc ois, Netra: tie 6]s ola: oa wa era ha med See Rete CIC Bolte cance Scie epreenees 
Nepide (water scorpions). 
Bianaira' spy a2 see ee cae ees ok oko eos kay eo ee ee ee Fie Mego er hcasalit eee 
