[1921] 
XI. Insecta. 
Insecta. 231 
, Syrfhidae. 
The genitalia of the Syrphidae, their 
morphology and its taxonomic signi- 
ficance, pp. 169-214 11 pis., Metcalf 
Ann. Ent. Soc. Amer. 14. 
Syrphidae of the Government of 
Jakutsk, Siberia, Stackelberg pp. 
139-143 Rev. Russe Ent. 17. 
The Syrphidae of NeAV Zealand, 33 
species, Miller Tr. N. Z. Inst. 53 pp. 
289-333 pis. xlvii-lii. 
Baccha pulla sp. n. Paraguay p. 130 
fig. 2, Sick Arch. Natg. 87 Abt. A 
Heft 3. 
Ceria onlarioensis p. 174, cylindrica 
California p. 175, spp. n., Curran 
Canad. Ent. 53. 
Cheilosia leptospermi p. 297, howesii 
p. 298, cunninghami p. 299, ronana p. 
300, spp. n. New Zealand, Miller Tr. 
N. Z. Inst. 53. 
Doros disjuncta sp. n. Paraguay p. 
132 figs. 3-6, Sack Arch. Natg. 87 
Abt. A Heft 3. 
Eristalis rufoscutellalus sp. n. Para- 
guay p. 142 fig. 16, Sack Arch. Natg. 
87 Abt. A Heft 3. 
Lepidostola perpolila sp. n. Mexico 
p. 56, Johnson Psyche 28. 
Meromacrus niger sp. n. Paraguay 
p. 145, Sack Arch. Natg. 87 Abt. A 
Heft 3. 
Microdon illucens, life history, 
Skaife pp. 221-222, pi. xiii Trans. 
R. Soc. S. Africa 9. — M. diaphanvs 
sp. n. Paraguay p. 146 figs. 21, 22, 
Sack Arch. Natg. 87 Abt. A Heft 3. 
Myiatropa campbclli sp. n. New Zea- 
land p. 332 pi. li f. 1 , Miller Tr. N. Z. 
Inst. 53. 
Paragus pseudoropalus sp. n. New 
Zealand p. 293 pi. lii f. 1 Miller Tr. 
N. Z. Inst. 53. 
Platycheirus lignudus p. 309 pi. 
xlviii. f. 5, clarkei p. 310, atkinsoni p. 
311, spp. n., New Zealand, Miller Tr. 
N. Z. Inst. 53. 
Psilota cyanea sp. n. N. Queensland 
p. 217 figs. 5-9, Hill Proc. Linn. Soc. 
N. S. Wales 46. 
Jthopalosyrphus auricinctus sp. n. 
Paraguay p. 148 figs. 23a, 24, Sack 
Arch. Natg. 87 Abt. A Heft 3. 
Sphaerophoria cranbrookemis sp. n. 
Amer. bor. p. 173, Curran Canad. 
Ent. 53. — S. venlralis sp. n. New Zea- 
land p. 296 pi. xlvii f. 6, Miller Tr. 
N. Z. Inst. 53. 
Spilomyia texana sp. n. Texas p. 57, 
Johnson Psyche 28. 
Syrphus invigorus p. 171, rubri- 
pleuralis p. 172, spp. n., Amer. bor., 
americanus varr. n. vinelandi and 
pomus p. 172, Curran Canad. Ent. 53. 
— S., allies of ribesii, transvermlis p. 
155, refleclipennis p. 157, recloides p. 
159, spp. n., Am. bor., Curran Canad. 
Ent. 52. — S. harrisi p. 301, p. lii. f. 2, 
flavofaciens hudsoni, p. 303, spp. n., 
New Zealand, Miller Tr. N. Z. Inst. 
53. 
Toxomerus punctatus sp. n. Paraguay 
p. 128 fig. 1a, Sack Arch. Natg. 87 
Abt. A Heft 3. 
Xylota montana sp. n. New Zealand 
p. 312 pi. xlix f. 2, Miller Tr. N. Z. 
Inst. 53. — X. jacobsoni sp. n. E. 
Siberia p 140 fig., Stackelberg Rev. 
Russe Ent. 17. — X. nebulosa sp. n. 
Texas p. 58, Johnson Psyche 28. — 
Conopidae. 
The Palaearctic species of Physo- 
cephala, Krober pp. 43-77 Arch. Natg. 
80 A 10 1915. 
The smaller genera of Conopidae. 
tables of genera and descriptions of 
species, Krober pp. 68-89 Arch. Natg. 
81 A 1 1915. 
North and South American species of 
Conops tables and descriptions of 
species, Krober pp. 121-160 Arch. 
Natg. 81 A 5 1915. 
Conopidae de Belgique pp. 67-78 
keys, Tonnoir Bull. soc. ent. Belg. 3. 
Conops tables and descriptions of 
African species, Krober pp. 35-68 
Arch. Natg. 81 A 1 1915. — C. maculi- 
frons p. 41, rufomaculatus p. 44, tomen - 
tosus p. 45, t. var. n. immaculatus p. 
46, elegans var. n. minutus p. 48, 
nigrifrons p. 55, longiveniris p. 57, 
spp. n. et varr. n. Palaearctic Region, 
Krober Arch. Natg. 81 Abt. A. Heft 
11. — C. formosus Mexico p. 124, 
mexicanus Mexico p. 128, soror Mexico 
p. 131, slriatifrons Georgia p. 132, 
pictifrons Mexico p. 133, pulchellus S. 
Carolina p. 134, fenestralus Nebraska 
