Hymenoptera — Vertebrata. 
210 
7527 Crawford, J. C. 57.99 Halictus (7) 
1907. Notes on some Species of the Genus Halictus. Journ, X. Y. en- 
tom. Soc. Vol. 15 p. 183—189. [2 nn. spp.] (71.4, 79.1) 
28 Cameroii. P. 57.99 Halictus (931) 
1900. Description of a New Species of Halictus (Andrenidae) from Christ- 
church, New Zealand. Trans. Proc. New Zealand Inst. Vol. 32 p. 17 — 
19. {H. huttoni.} 
29 Alfken, J. I). 57.99 Lonchopria 
1907. Die südamerikanische Bienengattung Lonchopria Vachal. Zeitschr. 
syst. Hymeuopt. Dipt. Jahrg. 7 p. 79. 
30 Loyell, J. H., and T. D. A. Cockerell. 57.99 Megachilidae (74.1) 
1907. The Megachilidae of Southern Maine. Psyche Vol. 14 p. 15—21. 
[4 nn. spp. in : Osmia 2, Megachile 2.] 
31 Enderlein, Günther, 57.99 Melecta (68.7) 
1906. Melecta niveipes, eine neue Biene vom Capland, Stettin, entoni. 
Zeitg. Jahrg. 67 p. 287—289. 
32 Carr, J. W. 57.99 Osjnia : 15.6 
1898. On the Nesting Habits of Osmia rufa Linn. 46th ann. ßep. Trans, 
Nottingham Natural. Soc. p. 33. 
38 Swenk, Myron H., and T. D. A. Cockerell. 57.99 Pauursidae (73) 
1907. The Bees of Nebraska. — II. Entom. News Vol. 18 p. 178—187. 
[7 nn. spp. in : Spinolklla 2, Panur§inus 5.] (78.2, 79.2,.4) 
34 Viereck, H. L. 57.99 Perdita (74) 
1907. Two New Species of Perdita. Entom. News Vol. 18 p. 398—395. 
(74.6,.9) 
7535 Swenk, Myron H., and T. D. A. Cockerell. 57.99 Perdita (78.2) 
1907. The Bees of Nebraska — I. Family Panurgidae. Genus Perdita T. 
Smitd. Eiltom. News Vol. 18 p. 51—58. [5 nn. spp. in Perdita. 1 n. var.] 
36 Lovell, J. H.5 and T. D. A. Cockerell. 57.99 Sphecodes (74.1) 
1907. The Sphecodidae of Southern Maine. Psyche Vol. 14 p. 101—110. 
[7 nn. spp. in Sphecodes.] 
37 Cockerell, T. D. A. 57.99 Triepeolos (73) 
1907. Two New Bees of the Genus Triepeolus. Canad. Entom. Vol. 29 
p. 51—52. [2 nn. spp.] (78.8, 79.7) 
38 Schulz, W. A. 57.99 Trigona: 15.6 
1907. Die indoaustralische Trigona laeviceps Sm. und ihr Nest. Zeitschr. 
wiss. InsektenMol. Bd. 3 p. 65—73, 4 figg. 
39 Schuster, Ludwig. 57.99 Xylocopa : 15 
1904/05. Zur Biologie der Violettflügeligen Holzbiene (Xylocopa v/olacea). 
Zool. Garten Jahrg. 45 p. 98. — Zur Generation der Violettflügeligen 
Holzbiene, Xylocopa violacea. p. 289 — 290. — Ueber Vorkommen und 
Lebensweise der Violettflügeligen Holzbiene von Geyr v. Schweppenburg. 
Jahrg. 46 p. 89. 
40 Schuster, Ludw. 57.99 Xylocopa : 15 
1907. Der Riese unter den deutschen Bienen. Kosmos Stuttffart Bd. 4 
p. 125—126, 1 flg. 
XLIV. 59.6 Vertebrata. 
(Vide etiam 1129—1131, 1287) 
41 Oarstang, Walter. 6 
1897. Physiology and the Ancestry of Vertebrates. Trans. Oxford Unir, 
jun. scient. Club. N. S. Vol. 1 p. 1 — 6. [Thyroid of Ämmocoeies as slime- 
producing gland points to relationship to Echinoderms and Balanoglosstis.] 
John. 6 
1898. ' The Classification of the Vertebrata. Journ. Trans. Victoria Inst. 
London VoL 30 p. 177-187. 
10. XL 1907. 
