SPIDERS 181 



Peckham, G. W. and Peckham, E. G. (1889) Observations on sexual 



selection in spiders of the family Attidae. Occ. Pap. Nat. Hist. Soc. 



Wise, 1, 1-60. 

 Peters, H. (1933) Weitere Untersuchungen iiber die Fanghandlung der 



Kreuzspinne. Z. vergl. Physiol., 19, Al-61. 

 Petersen, N. (1950) The relation between size of mother and number of 



young in some spiders and its significance for the evolution of size. 



Experientia, 6, 96-8. 

 Petrunkevitch, a. (1911) Sense of sight, courtship and mating in 



Dugesiella hentzi (Gerard), a Theraphosid spider from Texas. Zool. 



Jahrh. (Syst.), 31, 355-76. 

 PococK, R. I. (1909) Mimicry in spiders. ^ Linn. Soc. (Zool.), 30, 256-70. 

 Savory, T. H. (1952) The Spider's Web. London. 

 Thomas, M. (1953) Vie et Moeurs des Araignees. Paris. 

 Thorp, R. W. and Woodson, W. D. (1945) Black Widow: America's most 



Poisonous Spider. Chapel Hill. 

 TiLQUiN, A. (1942) La Toile geometrique des Araignees. Paris. 

 Warburton, C. (1912) Spiders. Cambridge. 



[Note: A complete list of spider literature up to 1939, systematically 

 classified by subject, will be found in the first volume of: P. Bonnet 

 (1945) Bibliographia Araneorum. Toulouse.] 



