Hymenoptera. 



228 



57917 Friese, H. 57.99 

 1911. Hymenoptera, Apidae I. Megachilinae. Das Tierreich Lief. 28, 440 

 pp, XXVI, 132 figg. 



18 Ton Ihering, Hermann. 57.99 



1911. Phylogenie der Honigbienen. Zool. Ânz. Bd. 38 p. 129—136, 

 1 fig. 



19 Vogt, Oskar. 57.99: 11.5 



1911. Studien über das Artproblem. 2. Mitteilung. Ueber das Variieren 

 der Hummeln. 2. Teil. Sitz.-Ber. Ges. nat. Freunde Berlin 1911 p. 31 

 — 74. [4 nn. spp. 19 nn. varr. 14 nn. abb. 3 rass. 28 nn. form, in Born- 

 bus. 1 n. form, in Psithi/rus. Pratobombus, Agrobombus, Terrestribombus, 

 Hortobombus, Cullumanobombiis, Lapidariobombus, Sibiricobombus, Subterraneo- 

 hombus nn. subgg.] (41.12,.2, 42, 43.18,.91, 46.8, 47.2,.4,.8,.9, 48.1,.6, 



491, 492, 494, 51.7, 56.1, 57.1-.9) 



20 Emery, Carlo. 67.99 : 13.6 



1910. Considerazioni intorno alla regola del Dzieezon suUa détermina- 

 zione del sesso nelle Api e in altri Imenotteri, Bend. Accad. Sc. Bo- 

 logna N. S. Yol. 14 p. 30—39. [Uova determinate pergamicamente in 

 senso maschile, spermii in senso femminile. Carattere femminile prédo- 

 mina nella fecondazione.] 



21 Allard, M. A. 57.99 : 15 



1911. Some Expérimental Observations conceming the Behavior of Va- 

 rions Bees in their Visits to Cotton Blossoms. Amer. Natural. Vol. 45 

 p. 607—622, 668—685. [Relative importance of vision and smell. Habit 

 formation.] 15.1 



22 Alfken, J. I>. 57.99 (403) 



1911. Apidologische Studien. Deutsch, entom. Zeitschr. 1911 p. 457 — 

 466. [2 nn. st. in Ändrena^ 

 (42, 43.11,.13-.15,.18,.21,.34,.52,.53,.58,.61,.64,.65,.68,.69,.92, 47.1,.9, 48.5, 



494, 57.6) 



57923 Friese, H. 57.99 (403) 



1911. Neue Bienen-Arten der palaearktischen Region. Arch. Nat. Jahrg. 

 76 Bd* 1 Heft 2 p. 135—148, 8 figg. [10 nn. spp. in: Nomia, Eucera, 

 Osmta, Megachile 2, Anthidium, Dioxys^ Phiarus (2 nn. varr.), Ammobates 2. 

 CubitaUa, Caesarea nn. subgg.] 



24 Fre) -Gessner, E. 57.99 (494) 



1911. Hyménoptères du Valais. Bull. Murith, Soc. valais. Sc. nat. Fase. 

 36 p. 179-225. 



25 Cockerell, T. 1). A. 57.99 (5) 



1911. Bees in the Collection of the U. S. National Museum. 1. Proc. 

 U. S. nation. 3Ius. Vol. 39 p. 635—658. [9 nn. spp. in: Sphecodes, Osmia 

 2, Bombus, Habropoda, Nomada 4 (5 nn. subspp. 2 nn. varr.) 1 n. var. in 

 Ceratina.] — 2. Vol. 40 p. 241—264. [17 nn. spp. in: Halictm, Andrena 2, 

 Coelioxys, Stelis, Proanthidium, Megachile 3, Dasypoda, Tetralonia, Anthopho- 

 ra 6 (1 n. sub&p.). 1 n. var. in Anthidium. Liothyrapis n. subg.j 



(43.46, 494, 51.1,.2, 52.1,.4, 54.6, 57.6, 59.3, 76.3,.4,.6, 78.6,.8, 91.3) 

 57926 Cockerell, T. D. A. 57.99 (5> 



1911. Descriptions and Records of Bees. XXXIV. Ann, Mag. nat. Hist. 

 (8) Vol. 7 p. 225 — 237. [11 nn. spp. in : Lithanthidium n. g., Dasypoda^ 

 Systropha, Melecta, Sphecodes, Andrena, Nomada, Prosopis, Epeolus, Nomioides 

 2.] — XXXV. p. 310—319. [8 nn. spp. in: Crocisa 3, Megachile 5. 1 n. 

 subsp. in Xylocopa. Androgynella n. g. pro Megachile detersa. Megachile stu- 

 diosella n. nom. pro M. studiosa Bingham non Cbesson, Apis nursei pro A. 

 teatocea Bingham non Smith.] — XXXVI. p. 485 — 493. [11 nn. spp. in : 

 Megachile 1, Anthophora 4.] - XXXVII. Vol. 8 p. 179—192. [16 nn. spp. 

 in : Dianthidium, Proanthidium, Anthidium, Allodape, Tetralonia, Tetraioniella, 

 Ceratina 2 (1 n. var.), Halictus 8. Anthidium friesei n. nom. pro A. flavo- 

 maculatum Friese non Cameeoit, Nomia pereziana pro N. gracilipes JPekez 

 non Smith ,* Halictus cameronellus pro H. himalayanus Camebon non Bingham,. 

 H. strandiellus pro S. ceylonicus Strand non Cameron.] — XXXVHI. p, 283 



1. XI. 1911. 



