258 CHAMBERLAIN. 



intestinal troubles, dysentery, diarrhoea, and sprue being the most fre- 

 quent causes. 



10. In 30 out of 90 cases (33 per cent) there is a probability that the 

 infection originated in the United States and was imported into the 

 Philippine Islands. 



11. In the remaining 60 cases it is probable that infection occurred in 

 the Philippine Islands, and there is reason to believe the parasites were 

 usually introduced through the mouth with food or water. 



12. Uncinariasis is of sufficient importance among Americans in the 

 Islands to make an occasional careful search for ova desirable. 



REFERENCES. 



1) Shattuck, E. C. Am. Med. (1907), 13, 693. 



2) Garrison, P. E. Prevalence and Distribution of Animal Parasites in the 



Philippine Islands. This Journal, Sec. B. (1909), 4, 191. 



3) Strong, R. P. Combating Tropical Diseases in the Philippines by Scientific 



Methods. Journ. Am, Med. Assoc. (1909), 3, 524. 



4) Garrison, P. E. Medical Survey of the Town of Taytay. This Journal, 



Sec. B. (1909), 4, 257. 



5) Heiser, V. G. Quarterly Rep. P. I. Bur. Health. Third Quarter. (1909). 



6) Siler, J. F. Uncinariasis Post Grad. N. Y. (1909), 24, 468. 



7) Chamberlain, W. P. .Uncinariasis in Southern-Bred White Men in the 



United States Army. Arch Int. Med, (1909), 4, 8. 



8) Craig, C F. The Occurrence of Uncinariasis in Soldiers in the United 



States Army. Am. Journ. Med, Sci. (1903), 126, 798. 



9) Whipple, G. H. Uncinariasis in Panama. Am. Journ. Med. Sci. (1909), 



138, 40. 



10) Cole, C. L. Necator Americanus in the Philippines. Military Surgeon 



(1907), 21, 298. 



11) Snyder, J. R. Uncinariasis in Southern States. Pediatrics (1908), 15, 



751. 



12) Kinyodn, J. J. Uncinariasis in Florida. Am. Pub. Health Rep. (1908), 



33, 123. 



13) Ashford, B. K. Military Surgeon (1907), 20, 40. 



14) Stone, W. R. Geographical Distribution of Unciniariasis in the United 



States. Med. News. (1903), 680. 



15) Smith, C. A. Unciniariasis in Georgia. Charlotte Med. Journ. (1904), 



320. 



16) Bass, C. C. Unciniariasis in Mississippi. Journ. Am. Med. Assoc. (1906), 



50, 185. 



17) Idem, Mild Uncinaria Infections. Arch. Int. Med. (1909), 4, 446. 



18) Heiser, V. G. Sanitation in the Philippine Islands. Journ. Am. Med. 



Assoc. (1909), 53, 97. 



19) Phalen and Nichols. Work of Board for Study of Tropical Diseases. 



Military Surgeon (1909), 25, 464. 



20) Report of the Surgeon-General, United States Army (1909), 58, 123. 



21) Ibid, (1902), 144; Ibid. (1903), 130; Ibid. (1904), 129. 



22) Strong, R. P. Report! of the Surgeon-General, United States Army (1901), 



203. 



23) Haxlock, H. M. Report of the Surgeon-General, United States Army 



(1905), 57. 



24) Report of the Surgeon-General, United States Army (1908), 52. 



