PHYLUM ARTHROPOD A 235 



Banks, N. 1908. A Revision of the Ixodidae, or Tricks, of the United 



States. U. S. Dept. Agr., Bureau Eutomol., Tech. Ser., 15. 

 CoMSTOCK, J. H. 1912. "The Spider Book." Garden City, N. Y., 



Doubleday Page. 

 Hunter, W. D. and Hooker, W. A. 1907. Information concerning the 



North American Fever Tick. U. S. Dept. Agr., Bureau Entomol. 



Bull. 72. 

 KiNGSLEY, J. S. 1892-3. The Embryology of Limuhis. Jour. Morphol., 



7: 35-68; 8: 195-268. 

 Montgomery, T. H. Jr. 1909. On the Spinnerets, Cribelhim, Coluhis, 



Tracheae, and Lung-books of Araneads. Proc. Acad. Nat. Set. Phila. 



May, 1909: 299-320. 

 NuTTALL, G. H. F. Numerous papers on the morphology, classification, 



and biology of ticks. Parasitology, Cambridge, England. 

 Packard, A. S. 1880. The Anatomy, Histology, and Embryology' of 



Limulus polyphemus. Mem. Boston Sac. Nat. Hist., 1880. 

 Patten, W. 1893. On the Morphology and Physiology of the Brain and 



Sense Organs of Limulus. Quart. Jour. Micr. Sci., 35: 1-96. 

 . 1912. "The Evolution of the Vertebrates and Their Kin." 



Philadelphia, Blakiston. 

 Stiles, C. W. 1910. The Taxonomic Value of the Microscopic Structures 



of the Stigmal Plates in the Tick Genus Dermacentor. U. S. Hygienic 



Lab. Bull. 62. 



