416 ENTOMOLOGY 
Kellogg, V. L. 1895. The Mouth Parts of the Lepidoptera. Amer. Nat., 
vol. 29, pp. 546-556, pl. 25, figs. I, 2. 
Smith, J. B. 1896. An Essay on the Development of the Mouth Parts 
of certain Insects. Trans. Amer. Phil. Soc., vol. 19 (n. s.), pp. 
175-1098, pls. I-3. 
Folsom, J. W. 1899. The Anatomy and Physiology of the Mouth Parts 
of the Collembolan, Orchesella cincta L. Bull. Mus. Comp. Zo6l., 
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Janet, C. 1899. Essai sur la constitution morphologique de la téte de 
Vinsecte. 74 pp., 7 pls. Paris. G. Carré et C. Naud. 
Kellogg, V. L. 1899. The Mouth Parts of the Nematocerous Diptera. 
Psyche, vol.. 8, pp. 303-306, 327-330, 346-348, 355-359, 363-365, 
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Folsom, J. W. 1900. The Development of the Mouth Parts of Anurida 
maritima Guér. Bull. Mus. Comp. Zodl., vol. 36, pp. 87-157, pls. 
1-8.* 
Comstock, J. H., and Kochi, C. 1902. The Skeleton of the Head of In- 
sects. Amer. Nat., vol. 36, pp. 13-45, figs. I-209.* 
Kellogg, V. L. 1902. The Development and Homologies of the Mouth 
Parts of Insects. Amer. Nat., vol. 36, pp. 683-706, figs. 1-26. 
Meek, W. J. 1903. On the Mouth Parts of the Hemiptera. Kansas 
Uniy. Sc. Bull, vol. 2 (12), pp. 257-277, pls. 7—11.* 
Holmgren, N. 1904. Zur Morphologie des Insektenkopfes. Zeits. wiss. 
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Kulagin, N. 1905. Der Kopfbau bei Culex und Anopheles. Zeits. wiss. 
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THORAX AND APPENDAGES; LOCOMOTION 
Audouin, J. V. 1824. Recherches anatomiques sur le thorax des animaux 
articulés et celui des insectes hexapodes en particulier. Ann. Sc. 
nat. Zool, t.-I. pp. 97-135, 416-432, figs. 
MacLeay, W. S. 1830. Explanation of the comparative anatomy of the 
thorax in winged insects, with a review of the present state of 
the nomenclature of its parts. Zool. Journ., vol. 5, pp. 145-179, 
2 pls. 
Langer, K. 1860. Ueber den Gelenkbau bei den Arthrozoen. Vierter 
Beitrag zur vergleichenden Anatomie und Mechanik der Gelenke. 
Denks. Akad. Wiss. Wien., Phys. Cl., bd. 18, pp. 99-140, 3 taf. 
West, T. 1861. The Foot of the Fly; its Structure and Action; eluci- 
dated by comparison with the feet of other Insects, ete. Trans. 
Linn. Soc. Zool., vol. 23, pp. 393-421, pls. 41-43. 
Plateau, F. 1871. Qu’est-ce que l’aile d’un Insecte? Stett. ent. Zeit., 
jhg. 32, pp. 33-42, pl. 1. 
Plateau, F. 1872. Recherches expérimentales sur la position du centre 
de gravité chez les insectes. Archiv. Sc. phys. nat. Geneve, nouv. 
pér., t. 43, pp. 5-37. 
