Aet. 19 LICE OF THE GENUS PEDICULUS EWING 29 



Ferbis. G. F. 



1916. A Catalogue and Host List of the Anoplura. Proc. Cal. Acad. Sci., 

 ser. 4, vol. 6, no. 6, pp. 129-213. 

 GlEBEX, C. G. 



1874. Insecta Epizoa, pp. 27-32, pi. 1, figs. 1, 2, 5. 

 liEACH, W. E. 



1S17. Zoological Miscellany, vol. 3, pp. 66-67 

 Linnaeus, C. 



1758. Systema Naturae, ed. 10, vol. 1, pp. 610-614. 



1706. Systema Naturae, ed. 12, vol. 2, p. 1016. 

 Mjoberg, E. 



1910. Studien liber Mallophagen und Anopluren. Ark. f. Zool., vol. 6, no. 



13, pp. 1-296, 5 pis., 156. figs. 

 Neumann, L. G. 



1911. Notes sur les P^diculid^s. — II. Arch. Par., vol. 14, pp. 401^14, figs. 



1-8. 

 NiTZSCH, C. L. 



1818. Geimar's Mag. Ent., vol. 3, pp. 304-305. 



NUTTALL, G. H. F. 



1919. The Systematic Position, Synonymy and Iconography of Pedicuhcs 



Jiumanus and Phthirus pubis. Parasitology, vol. 11, pp. 329-346. 



1920. On Fahrenholz's Purported New Species, Subspecies and Varieties of 



Pediculus. Parasitology, vol. 12, pp. 136-153. 

 Olfers, I. F. M. 



1910. De vegetativis et animatis corporibus in corporibus anincatis re- 

 periundis commentarius. Pars. I, Berlin. 



PlAGET, E. 



1880. Les Pediculines. 714 pp., 56 pis. 



1885. Les P6diculines ; Supplement. 162 pp., 17 pi. 



EXPLANATION OF PLATES. 



All photographs were made by J. G. Pratt, and all are of the same magnifica- 

 tion, X 20. 



Plate 1. 



FiG. 1. Pediculus (Parapediculus) consohrinus Piaget ; male, from above. 



2. Pediculus {Parapediculus) consobrinus Piaget; female, from above. 



3. Pediculus (Parapediculus) chapini, new species; male, from below. 



4. Pediculus {Parapediculus) chapini, new species; female, from above. 



Plate 2. 



FiG. 5. Pediculus {Parapediculus) lobatus Fahrenholz ; incompletely formed 



female inside of last nymphal skin; from above. 

 6. Pediculus {Pediculus) humanus niyritarum Fabricius; male, taken 



from negro boy in Africa ; ventral view. 

 1. Pediculus {Pediculus) humanus nigritarum Fabricius; female, taken 



from negro boy in Africa ; ventral view. 



Plate 3. 



Fig. 8. Pediculus {Pediculus) humanus humanus Linnaeus; female, taken in 

 Germany ; dorsal view. 

 9. Pediculus {Pediculus) humanus americanus, new variety; female, taken 

 from the scalp of a prehistoric American Indian mummy collected at 

 Canyon del Muerto, New Mexico ; ventral view. 



