sensch. Zoolog._ xix.

1894. J. Gonin. La Metamorphose des Lepidopteres. _Bull. Soc. Vaud.
Sci. Nat._ xxx.

1870. O. Grimm. Die ungeschechtliche Fortpflanzung einer Chironomus.
_Mem. Acad. Imper. St Petersbourg_ (7). xv.

1890. W. Hatchett-Jackson. Morphology of the Lepidoptera. _Trans. Linn.
Soc. (Zool.) Lond._ (2). v.

1896. R. Heymons. Fluegelbildung bei der Larve von Tenebrio molitor.
_Sitzb. d, Gesellsch. Naturforsch. Freunde, Berlin._

1906. ---- Ueber die ersten Jugendformen von Machilis alternata. _Ib._

1908. W. Kahle. Die Paedogenesis der Cecidomyiden. _Zoologica._ IV.

1913. V.L. Kellogg. Distribution and Species-forming of Ectoparasites.
_Amer. Naturalist._ XLVII.

1887. A. Kowalevsky. Die nachembryonale Entwicklung der Musciden.
_Zeitsch. f. wissensch. Zool._ XLV.

1904. O.H. Latter. Natural History of Common Animals (chaps. III, IV,
V). Cambridge.

1890-95. B.T. Lowne. The Blowfly, 2 vols. London.

1863. J. Lubbock. Development of Chloeon. _Trans. Linn. Soc. Lond._
XXIII.

1762. P. Lyonet. Traite anatomique de la Chenille. Haag.

1669. M. Malpighi. De Bombyce. London.

1898. C.L. Marlatt. The periodical Cicada. _Entom. Bull._ 14, _U.S.
Dept. Agric._

1898. G.A.K. Marshall. Seasonal Dimorphism in Butterflies. _Ann. Mag.
Nat. Hist._ (7). II.

1900. L.C. Miall and A.B. Hammond. The Harlequin Fly. Oxford.

1901-3. R. Newstead. Coccidae of the British Isles. London.

1877. J.A. Palmen. Zur Morphologie des Tracheensystems. Leipzig.

1891. E.B. Poulton. External Morphology of the Lepidopterous Pupa.
_Trans. Linn. Soc. Zool._ (2). V.

1892. ---- Colour-relation between Lepidopterous Larvae &c. and their
surroundings. _Trans. Entom. Soc. Lond._

1880. C.V. Riley. Pupation of Butterflies. _Proc. Amer. Assoc._ XXVIII.

1902. E.D. Sanderson. Report of Entomologist. Delaware. U.S.A.

1885. E.O. Schmidt. Metamorphose und Anatomie des maennlichen
Aspidiotus. _Archiv f. Naturgeschichte._ LI.

1885. S.H. Scudder. Insekten in Zittel's Paleontologie. II.

1907. A.J. Siltala. Die postembryonale Entwicklung der
Trichopteren-Larven. _Zoolog. Jahrb. Suppl._ IX.

1905. F. Silvestri. Metamorfosi e Costumi della Lebia scapularis.
_Redia._ II.

1900. J.