15 
65. The Occurrence of Cuterebrid Larvae in Dogs and Cats, and the 
Possible Modes of Infestation. (8 min.) M. C. Hall, Washington, D. C. 
This paper summarizes the records to date, adds a number of new ones, discusses the 
possible modes of infection, and points out the economic interest of the subject, the 
evidence showing that these cases are fairly common. 
66. Intestinal Myasis and The Common House-Fly (Musca domes- 
tica L.). (2 min.) T. H. Frison, Urbana, Ill. 
67. Tests of Internal Medication for External Parasites of Fowls. 
(10 min.) D. C. Parman, Uvalde, Texas. 
Insects Affecting Forest and Shade Trees 
68. Two Dangerous Defoliators of Jack Pine. (10 min.) (Lantern.) 
S. A. Graham, St. Paul, Minn. 
This paper describes an outbreak of the jack pine sawfly and the jack pine tip moth 
now in progress in the Lake States. 
69. Some Results of Defoliation of Oak Trees. (10 min.) (Lantern.) 
C. W. Minott and I. T. Guild, Melrose Highlands, Mass. 
70. Methods of Control for two Shade-tree Pests. (5 min.) Glenn W. 
Herrick, Ithaca, N. Y. 
The maple bladder-gall (.Phyllocoptes quadripes) is readily susceptible to applications 
of lime-sulphur while the spruce-gall aphid (Chermes abietis) is readily susceptible to 
applications of lime-sulphur and of miscible oils. Experimental work of the past 3 
years demonstrate the ease with which these pests may be controlled. A full dis¬ 
cussion of the biology and control of the latter pest is in preparation. 
71. A Preliminary Report on the Use of Calcium Cyanide for the 
Mound Building Ant, Formica exsectoides. (10 min.) (Lantern.) J. A. 
Manter, Storrs, Conn. 
A report of the results obtained by using calcium cyanide for control of the mound 
building ant in forest plantations. 
72. Barkbeetle Epidemics and Rainfall Deficiency. (10 min.) F. C. 
Craighead, Washington, D. C. 
Japanese Beetle 
73. The Status of the Japanese Beetle in 1924. (5 min.) Loren B. 
Smith, Riverton, N. J. 
A resume of results secured in control and prevention of spread. 
74. A Preliminary Report on the Parasites of Popillia japonica. (10 
min.) (Lantern.) J. L. King and H. C. Hallock, Riverton, N. J. 
This paper deals with the establishment and rearing of parasites of Popillia japonica. 
