L919] CONTENTS. V 



ECONOMIC ZOOLOGY- -ENTOMOLOGY. 



Page. 



Wild animals of North America, Nelson « 646 



Willi life in our National Parks, Nelson 646 



The fur-bearing animals, Kretzschmar 646 



Some observations 011 ruts and their control, Hackle 646 



The migration of North American birds, VII, Oberholser 646 



A second bird survey at Washington, D. c, Oberholser 616 



Birds observed near Minco, central Oklahoma, Wetmore 646 



The game birds of California, Crinnell, Bryant, and Storer 648 



I '"-ta's hummingbird.— Its type locality, early history, and name. Palmer.. C46 



The Wisconsin Napaeozapus, Jackson C4G 



The status of the genus Orchllus Cabanls, Oberholser <; it', 



Mutanda ornithologlca, Oberholser C4G 



Tenth annual report of tin* State ornithologist, Forbush 647 



Parasitism of nestling birds by fly larvae, Plath 047 



A muscid larva which sucks the blood of nestling birds, Plath 017 



Records of some new British diplopods and pauropods, Bagnall 647 



The psychic life of insects, Homier G47 



Report of the entomology division, Conradi 647 



Rej>ort of State entomologist and plant pathologist of Virginia, Schoene G48 



Forty-eighth annual report of Entomological Society of Outariu, 1917 648 



Report of the provincial entomologist, Maheux 648 



Summary of entomological information during 1918, Ballou 648 



[Economic insects in Chile], Ca macho 648 



Insect and fungus i>e.sls in England and Wales in 1917 64S 



Destruction of agricultural posts, Bevan 048 



Report of the work of the division of entomology, d'Emmerez de Charmoy. 648 



[Economic Insects In South Africa] 648 



Work of the division of entomology, Illingworth 648 



Manual of vegetable-garden Insects, Crosby and Leonard 649 



[Castor Insects in Ceylon] 649 



Insects and infections at the front, Mesnil and Roubaud 649 



Dermaptera and Orthoptera of Plummers Island, McAtee and Caudel 649 



Schtetocerea tartariea taken at sea, Howard 649 



Notes on some Trinidad thrips of economic importance, Williams 649 



The citrus thrips, Morrill 649 



Some important orchard plant lice, lleadlee 649 



Notes on the biology of Sehizonotus fiicboldii, Cushman 649 



Some grass root aphids, Gillette 649 



The Aphidiihv of Lahore, Bashambar Das 650 



New economic pests of red clover, Burrill 650 



Thrips injuring peaches, Pettit 650 



Hemolysin (aphidolysin) in plant lice, DewitZ 650 



The grape mealy bug ( Pseud 'ococcus bakvri), Nougaret 650 



Observations on the insect parasites of some Coccida?, II, Imms 651 



Three new lachnids with comparative notes on three others, Wilson 651 



Some scale insect pests of coffee in India, Coleman and Kunhi Kannan 651 



The black scale of the olive, Camacho 651 



Carbon tetrachlorld vapor as a delousing agent, Foster 651 



Cattle lice and their control. Lamson, jr »;.">1 



The hog louse (Hcematopinus .sin's), Watts 652 



The pebrine disease of silkworms In India, Hutchinson 652 



Pebrine, Hutchinson 652 



Injury caused by the pine twi<: borer at Verrieres. Leveque de Vilmorin 652 



The oriental peach moth: A Japanese bisect recently introduced, Wood__ 652 



A revision of the North American Gracilarilds*, Ely *_ 652 



A new Coleophora injurious to apple in California, Heinrlch 652 



Olethreutes variegana, Injurious to fruit trees in Italy, Sarra 653 



Two new instances of polyembi yony among Enoyrtida'. Howard 653 



A contribution to the biology of North American Diptera. Greene 653 



The identity of the wheat midge in Ontario, Koss 653 



The rose midge in Ontario, Ross 653 



The lake mosquito, Mansonia titillans, and its host plant, Dunn 653 



An improvised method for oiling sluggish streams continuously, Kirwan__ 65.3 



Dolunipliora venusta in Barracenia flava, Jones 653 



