CHARLES ROBERTSON 189 
Short-tongued Bees (5: 12)—Halict.: Chloralictus obscurus 9, 
1, pilosus ¢ 2, 2, sparsus 2, se, 1, versatus 9, se, 7; Panurg.: Calliop- 
sis andreniformis 9, 1. 
Lepidoptera (5:6)—Lycaen.: Everes 1; Papilion.: Eurema 2, 
Eurymus 1; Hesperi.: Ancyloxypha 1, Pholisora hayhurstii 1. 
Linaria vulgaris (int, 13: 585).—Blooms May 1—October 24; 12 
visitors observed, June 25—October 10; Ma, Y. 
Long-tongued Bees (6)—Ap.: Apis se, n; Bomb.: Bombus 
americanorum ¢ 2 9%, se, ab, consimilis %, impatiens 9, sc; Me- 
gachil.: Aleidamea simplex 9, se, n, Megachile brevis 9, ¢, n. 
Short-tongued Bees (1)—Halict.: Agapostemon viridulus Q, n. 
Lepidoptera (5, n)—Nymphal.: Vanessa cardui; Papilion.: 
Eurymus, Pieris; Hesperi.: Limochores taumas, Thanaos juvenalis. 
Mimulus alatus (8: 148).—Blooms July 13-September 5; 1 vis- 
itor observed, August 3; Ma, R. 
Long-tongued Bees (1)—Bomb.: Bombus americanorum 9. 
Mimulus ringens (8: 147-8).—Blooms July 11-September 7; 
2 visitors observed, August 1, 13; Ma, R. 
Long-tongued Bees (2)—Bomb.: Bombus americanorum 9° 9, 
consimilis 9. 
Pentstemon hirsutus (13: 591-2).—Blooms May 1—June 7; 27 
visitors observed, May 1—June 3; Ma, W. 
Long-tongued Bees (21)—Bomb. (2): Bombias auricomus fa, 
separatus, Bombus americanorum fq, consimilis, impatiens; 
Ceratin.: Ceratina 9; Megachil.: Alcidamea simplex ¢ 9, se, faq, 
Centrosmia 9, se, Ceratosmia 92, Osmia atriventris ¢ 9, se, fq, col- 
linsiae 2, cordata ¢ 9, se, fq, distincta 9, se, fq, pumila 9, se, fq; 
Nomad.: Holonomada affabilis 2; Melect.: Bombomelecta 92; ELucer. 
(fq); Tetralonia belfragei ¢ 9, se, dilecta ¢ 9, in cop, rosea J; 
Anthophor.: Anthemoessa ¢, ab, Anthophora ¢ 9, se, fq. 
Other Hymenoptera (1)—Eumen.: Leionotus foraminatus, per- 
forating. 
Diptera (1)—Bombyli.: Bombylius atriceps. 
Lepidoptera (4, n)—Papilion.: Heraclides, Laertias, Papilio; 
Hesperi.: Atrytone zabulon. 
Pentstemon laevigatus (13: 590-1).—Blooms May 18—July 9; 
30 visitors observed, May 28—June 26; Ma, W. 
Birds (1)—Trochil.: Trochilus. 
Long-tongued Bees (17)—Ap.: Apis; Bomb.: Bombias auri- 
comus 9, Bombus americanorum 2 %, consimilis 2, impatiens 9; 
