68 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
642. Morris, M. H. [Hessian fly and insect destructive to raspberry 
plant.] <Proc. Acad. Nat. Sci. Phil., 1847, v. 3, p. 238. 
Retardation of the larva of Cecidomyia destructor ; habits and injuries of an 
undetermined hymenopteron. 
643. Morris, M. H. Destruction of fruit trees by the seventeen-year 
locust. <Amer. Agric., September, 1848, v. 7, p. 279. 
Notes injuries to forest and fruit trees by the young of Cicada \_=Tibicen] 
septendecim. 
644. Morris, M. H. [Cecidomyia in the culm of wheat.] <Proc. Acad. 
Nat. Sci. Phil., 1849, v. 4, p. 194. 
Habits of Cecidomyia cuhnicoia; retardation in its development. 
645. Morris, M. H. The potato Curculio. <Amer. Agric., April, 1850, 
v. 9, pp. 113-114. 
Habits and ravages of Baridius [— Trichobaris] irinotata. 
646. Morris, M. H. Discovery of the cause of the yellows in the peach 
tree. <Amer. Agric., May, 1850, v. 9, pp. 144-145. See: 
<Ibid., July, 1850, v. 9, p. 219. 
Ravages and means against Tomicus [= Phloeotribus] liminaris. 
647. Morris, M. H. The yellows caused by an insect. <Horticultur- 
ist, May, 1850, v. 4, pp. 502-503. 
Habits and injuries of Tomicus [= Phloeotribus] liminaris; preventives. 
648. Morris, M. H. Original observations on insects injurious to our 
fruits.—The Curculio. <Horticulturist, 1859,v. 14. pp. 506-508, 
plate, and figs. 1-4. 
Characters and natural history of Rhynchcmus [ = Conotrachelus] nenupllar. 
649. [Morris, M. H.] [Plum and cherry tree insects.] <Horticultur- 
ist, 1859, v. 14. pp. 508-509. 
Habits and injuries of Rhynchcenus [= Conotrachelus] nenuphar, Carpocapsa 
pomonella, and JEgeria [= Sannina] exitiosa. 
650. Morris, M. H. Notes on the peach. <Hardeners’ Monthly, May, 
1860, v. 2, pp. 130-131. 
Injuries of Tetranychus telarius, JEgeria [=Sannina] exitiosa, and Tomicus 
[= Phloeotribus'] liminaris. 
651. Morris, M. H. The peach tree and its enemies. <Horticultur- 
ist, 1860, v. 15, pp. 118-120, plate. 
Habits and injuries of JEgeria [= Sannina] exitiosa and Tomicus [= Phlceotri- 
bus] liminaris. 
652. Morrison, Herbert Knowles. Is Aletia argillctcea winter- 
killed every year? <Psyehe, March-April, 1877, v. 2, p. 23. 
It is not. 
653. Morse, F. W. Phylloxera. <Science, 7 May, 1886, v. 7, pp. 417- 
418. 
First known in the United States in 1843; date and method of its introduc¬ 
tion into Europe; reasons for being more injurious in Europe than in 
America; natural means against the insect. 
