FOOD HABITS OP THE SWALLOWS. 



15 



COLBOPTERA — continued. 



Saprinus ceneicollis 2 



Saprinus lubricus 1 



Saprinus flmbriatus 1 



Saprinus sphwroides 1 



Garpophilus dimidiatus 1 



Stelidota geminata 1 



Glischrochilus fasciatus 10 



Bryops striata 1 



Gryptohypnus obliquatus 1 



Agrilus sp 2 



Onthophagus hecate 9 



Onthophagus tuberculifrons 2 



Onthophagus pennsylvanicus 32 



Onthophagus sp 19 



Atwnius cognatus 1 



Aphodius flmetarius 43 



Aphodius vittmtus 3 



Aphodius inquinatus 22 



Aphodius prodromus 1 



Aphodius sp , 39 



Dichelonycha sp 1 



Strigoderma pygmwa 2 



Hwmonia nigricornis 13 



Crypto cephalus trivittatus 1 



Cryptocephalus sp 2 



Gerotoma trifurcata 3 



Diabrotica sdror 1 



Haltica obliterata 1 



Crepidodera helxenes 2 



Crepidoderq sp 1 



Epitrix cucumeris 1 



Epitrix parvula „ 1 



Chwtocnema pulicaria 1 



Odontota dorsalis 1 1 



Mylabris prosopis (Bruchus) 1 



Notoxus alamedw 2 



Notoxus sp 3 



Anthicus sp 1 



Sitona hispidula 5 



Sitona flavescens 2 



coleoptera — continued. 



Sitona sp 8 



Anthonomus grandis 12 



Gymnetron teter 1 



Baris sp 1 



Trepobaris elongatus 1 



Trichobaris texana • 1 



Centr.inus picumnus 2 



Limnobaris deplanata 1 



Balaninus parvidens 1 



Balaninus sp 4 



Sphenophorus parvulus 1 



Sphenophorus placidns 1 



Sphenophorus sp 1 



CaJandra oryza 8 



Tomicus cacographus 1 



Tomicu's pini 7 



Hylastes sp 10 



Brachytarsus variegatus 1 



DIPTERA. 



Chrysops sp 3 



Parephydra humilis 1 



Lu&lia cwsar 2 



Lucilia sp 3 



Galliphora vomitoria 8 



Stomoxys calfiitrans 1 



HYMENOPTERA. 



Apis mellifera 1 



Tiphia inornata 2 



Tiphia sp 1 



Solenopsis molesta 1 



Myrmica scabrinodis 1 



Aphenogaster fulva 3 



Lasius sp 1 



Formica fusca var. neoclara 1 



Colpognathus sp 1 



Ophiow sp 4 



Spilochalcis flavipes 1 



Chalcis sp 1 



TREE, OR WHITE-BELLIED, SWALLOW. 



Iridoprocne bicolor. 



The tree, or white-bellied, swallow (PI. II, upper figure), as it 

 is variously called, is found all over the United States except in some 

 desert or extensive treeless areas. In a state of nature this bird 

 builds its nests in hollow branches or dead trunks of trees, and to-day 

 may occasionally be seen occupying one of its original haunts. Boxes 

 put up for wrens and bluebirds seem to suit the tree swallow exactly, 

 and when available these are taken in preference to the hollow 

 branch. 



In its food habits this species differs somewhat from other Ameri- 

 can swallows in that it eats an appreciable quantity of vegetable 

 food, frequently filling its stomach completely with berries or seeds. 

 To determine the extent of this difference, 343 stomachs were exam- 

 ined, collected in every month of the year in 22 States, British 



