198] FLOWERS AND INSECTS 235 
Diptera— Empididae: (39) Empis levicula Cogq.; (40) E. clausa Coq. ; 
(4) E. distans Lw.; Conofidae: (42) Oncomyia loraria Lw. ; Syrphidae : 
(43) Pipiza pulchella Will. ; (44) Chrysogaster nitida F., freq. ; (45) Syrphus 
americanus Wd.; (46) Eristalis aeneus F.; (47) E. transversus Wad.; (48) E. 
dimidiatus Wd. ; (49) Mallota cimbiciformis Fll.; Tachinidae : (50) Alophora 
purpurascens Twns. ; (51) Jurinia apicifera WIk., freq.; (52) J. smaragdina 
Mog. ; (53) Belvosia bifasciata F.; (54) Phorocera edwardsii Will., freq. ; (55) 
Acmglossa hesperidarum Will.; (56) Frontina flavicauda Riley ; (57) 
Atrophopoda singularis Twns.; (58) Chaetophleps setosa Coq. ; Sarcopha- 
filae: (59) Sarcophaga sp.; (60) Helicobia helicis Twns.; AJuscédae: (61) 
-lacilia sp.; (62) L. sericata Mg.; (63) Graphomyia americana R. D.; (64) 
Morellia micans Mcq, ; Anthomyidae : (65) Anthomyia marginata WIk. ; (66) 
Phobia acra Wlk.; Ortadidae : (67) Camptoneura picta F.— all s. 
Coleoptera — Lampyridae - (68) Podabrus tomentosus Say, freq. ; (69) 
elephorus flavipes Lec., freq. ; Scarabaeidae: (70) Euphoria fulgida F. ; 
(71) Trichius piger F., freq. ; (72) T. affinis Gory, in cop. ; Cerambycidae : 
(73) Strangalia famelica Newm.; M/ordel/idae : (74) Pentaria trifasciata Melsh. ; 
(75) Mordella marginata Melsh. — all s. or f. p. 
; Lepidoptera hopalocera: (76) Pyrameis atalanta L.; (77) Papilio 
4ax L_—both s, 
On the pollination of ‘Cornus see : 
(1) Sprengel, Das entdeckte Geheimniss 31, 33,85. 1793. mascula, 
i: 
ii 
(2) Axell, Om g g axterna 
2:13, le 1869. C. Suecica.—(3) Delpino, Ulteriori osservazion! Il. 
i873: 9: 46, 52, 215, 237-8, 311. Atti Soc. Ital. Sci. 16: 161, 187, 194, 200. 
I7:—. 1874, C. florida, Suecica, paniculata, sanguinea.—(4) Miiller, 
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Blumen 18. 1886. C. sanguinea.— (11) 
a tion 2:173, 183-4, 200, 231, 296, 289, 326. 1895. C. florida, 
: Swecica.—(14) Meehan, Contributions to the life-histories of 
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