CONTEXTS. 
Page. 
A statistical study of the intestinal parasites of 500 white male patients at the 
United States Government Hospital for the Insane. By Philip E. Garrison, 
Brayton H. Hansom, and Earle C. Stevenson 5 
Summary of results 5 
Introduction 5 
Frequency of infection 6 
Parasites present 6 
Severity of infections 6 
Comparison with foreign statistics 7 
Age of patients - 8 
Length of residence in the hospital 8 
Character of life previous to admission 9 
Soldiers admitted before 1898 9 
Soldiers admitted after 1898 9 
Soldiers returned from the Philippines 9 
Men admitted from the United States Soldiers’ Homes 10 
Men admitted from the District of Columbia 10 
Men admitted from the Navy 10 
Miscellaneous 10 
The significance of age, institutional life, and the Conditions of previous 
life with regard to the frequency of infection with animal parasites 10 
Digestion 12 
Litmus reaction of feces 12 
Technique 12 
A parasitic roundv/orm {Agamomermis culicis n. g., n. sp.) in American mos- 
quitoes {Culex sollicitans) . By Ch. Wardell Stiles 15 
Family Mermithidae 16 
Genus J/er?ms Du jardin, 1842 16 
Genus Paramermis von Linstow, 1898 16 
Group Agamomermis Stiles, 1903 16 
Species Agamomermis culicis Stiles, 1903 16 
The type species of the genus Hymenolepis. By Ch. "Wardell Stiles 19 
Index to zoological names 23 
o 
