58 PSYCHE [April-June 
1896. Osborn, Herbert. The common bed-bug. (Ai-anthia lectularia Linn.) 
Hull. No. 5, new series, U. S. l)ep. Agric., Division Ent., Washingtoni 
pp. 12, 157-160, 162, 163, figs. 88-8g, 92b. Cf. pp. 286-287. 
Good history and account, with remedies. Figures nymph, adult, and 
antennae ; compares with descriptions, the more common allied species, 
quoting Jenyns’ ( 1839) descriptions. Host relation. 
1901. Howard, Leland Ossian. Life-history of the bedbug. The Insect 
Book, New York, pp. 289-290, figs. 178, 179. 
Good popular account, with figures of young larva and adult. 
1902. Osborn, Herbert. Insects, parasitic. reference hand-book of the 
medical sciences, embracing the entire range of scientific and practical 
medicine, and allied sciences, by various authors. New York, new, 
revised edit., V, M 1 )CCCCI I, pp. 155-156, figs. 2865-2867. 
General account; figures copied, cf. Riley ( 1887). 
ERRATA et CORR/GEADA, PART I. 
Page 61, 2nd line of title, lectularia read Icctularius. 
Ibidem, insert parentheses about Linnaeus. 
71, 3rd. footnote, Titkin read Tickin 
2nd. paragraph, insert quotation marks about bacilli. 
3rd. paragraph, contagious read infectious. 
72, 3rd. paragraph, Cimex read Clinoco/is. 
Acknowledgements. 
The writer wishes to acknowledge the kindness respectively of Dr. L. O. 
Howard, Chief, and of Miss Mabel C’olcord, Librarian, of the Bureau of 
Entomology, U. S. Department, of .\griculture. Also his indebtedness to 
Dr. James J. Walsh of New York City, Dr. Kdward-Louis Troussart of 
Paris, Dr. Edward A. Butler of London, and to Mr. George W. Kirkaldy 
of Honolulu, for past kindnesses in connection with the preparation of this 
and other papers. 
