390 THE VARIATION OF ANIMALS IN NATURE 



Kobelt, W. 1876. Iconographie der Land- und Siisswasser-Mollusken. 



Wiesbaden. Bd. IV. 

 Kofoid, C. A. 1906. A discussion of species characters in Tripolosenia. 



Univ. California Pubn., Zoology, 3, 1 17-126. 

 Kohl, F. F. 191 5. Die Crabronen der palaarktischen Region. Ann. 



k. k. Hofmus., 29, 453 pp., 14 plates, 87 figs. 

 Kolbe, H. 1920. Uber Mutationsformen bei Coleoptera. Zs. wiss. Ins. 



biol., 16, 49- 6 3- 

 Kosminsky, P. 191 2. Zur Frage uber die Unbestandigkeit der mor- 



phologischen Merkmale bei Abraxas grossulariata L. Rev. russe Ent., 



12, 3 1 3-328, 11 figs. 

 Kuhn, A. 1927. Die Pigmentierung von Habrobracon juglandis Ashmead, 



ihre Predetermination und ihre Vererbung durch Gene und Plasmon. 



Nachr. Ges. Wiss. Gottingen, Math. Phys. Klasse, 1927, 407-421. 

 Kuhn, A., and Henke, K. 1929. Genetische und Entwicklungsphysio- 



logische Untersuchungen an der Mehlmotte Ephestia kiihniella Zeller. 



I-VII. Abh. Ges. Wiss. Gottingen, Math. Phys. Klasse, 15 n.f, pp. 121, 



45 figs., 5 plates. 



Lack, D. 1933. Habitat Selection in Birds ... J. Animal Ecology, 2, 



239-262, 2 plates. 

 Lackschewitz, P. 1930. Die oleracea- Gruppe des Genus Tipula (Dipter., 



Nematoc. polyn.). Konowia, 9, 257-278, 2 plates. 

 Lancefield, D. E. 1929. A genetic study of crosses of two races or 



physiological species of Drosophila obscura. Zs. Abst. Vererb. lehre, 



52, 287-317, 2 figs., 10 tables. 

 Lang, W. D. 1920. A Handbook of British Mosquitoes. London, 



Natural History Museum. 



1 92 1. Catalogue of the Fossil Bryozoa. British Museum (Natural 



History), London, vol. Ill, pt. I. 



Lapouge, G. 1902. Degre de devolution du genre Carabus a l'epoque 

 du pleistocene moyen. Bull. Soc. sci. et med. Ouest, 10, 325-344 ; 



11, ZO&-W- 

 Lashley, K. 1916. Results of continued selection in Hydra. J. Exp. 



Zool., 20, 19-25. 

 Leigh-Sharpe, H. 1920. The comparative morphology of the secondary 

 sexual characters of Elasmobranch fishes. J. Morphol., 34, 245-265. 



1 92 1. Same title. Ibid., 35, 359-380. 



Lengerken, H. von. 191 7. Ueber Cicindela hybrida L. und subsp. 



maritima Latr. von der Ostpreussischen Kiiste. Deuts. ent. Zs., 1917, 



122-124, 3 figs. 

 Le Souef, A. S. 1930. Occasional notes. Australian Zool., 6, iio-iii. 

 Lestage, J. 1925. Contribution a l'etude des larves des Ephemeres. 



Ann. Biol. Lacustre, 13, 227-302, 14 figs. 

 Linsdale, J. M. 1928. Variations in the Fox Sparrow. Univ. California 



Pubn., Zool., 30, 251-392, 5 plates, 1 fig. 

 Little, C, and Bagg, H. 1924. The occurrence of four inheritable 



morphological variations in Mice . . . Journ. Exp. Zool., 41, 45-91, 



12 figs. 

 Lloyd, R. E. 191 2. The Growth of Groups in the Animal Kingdom. 



London. 

 Longley, W. H. 191 7. Studies on the biological significance of animal 



coloration. Amer. Nat., 51, 257-285. 



