VI CONTENTS. [Vol. 30 



Page. 



Notes on the Psammocharidse, with a new species, Rohwer 551 



The shell-bark hickory mealy bug, Hollinger 551 



Contributions to the knowledge of the Dactylopiinse of Hawaii, Ehrhorn 551 



The best methods of destroying lice and other body vermin, Kinloch 551 



Notes on Anoplura and Mallophaga from mammals, Ferris 552 



Notes on the feeding habits of adult Chrysopidse, Ripley 552 



A new species of Exoprosopa, Cole 552 



A new species of Tortrix of economic importance from Newfoundland, Gibson. . 552 



A caterpillar on the ears of wheat, Somerville 552 



Mosquitoes and man, Jennings 552 



New Aedes from the mountains of California, Dyar 552 



The earliest name of the yellow fever mosquito, Knab 552 



Eggs and oviposition in certain species of Mansonia, Dyar and Knab 552 



Mosquitoes at San Diego, California, Dyar 552 



The March fly in grain fields and as a pest of celery, Strickland 552 



What is Tahanus mexicanusf Knab 553 



Two new North American Diptera, Shannon 553 



Critical notes on Syrphidse, Knab 553 



Fiu-ther notes on Syrphidse, Knab 553 



Notes concerning Gastrophilus hspmorrhoidalis, Parker 553 



Lithohypoderma, a new fossil genus of oestrids, Townsend 553 



Some notes concerning overwintering of the house fly at Dallas, Texas, Dove. . . 553 



Transmission of leprosy by the house fly ( Musca domestica), Marchoux 554 



Muscoid flies from the southern United States, Townsend 554 



Some new North American muscoid forms, Townsend 554 



On Australian Muscoidea, with description of new forms, Townsend 554 



Miscellaneous muscoid notes and descriptions, Townsend 554 



Notes on the hen flea (Echidnophaga gaUlnacea), Illingworth 554 



Flat-hsaded borers affecting forest trees in the United States, Burke 554 



The pine bark beetle (Ips pini), Clemens 554 



Biological notes on Ceutorhynchus marginatus, Frost 555 



On some weevils attacking orchids. Champion 555 



Some unusual orcliid insects, Weiss 555 



A survey of beekeeping in North Carolina, Carr 555 



The control of ants in dwellings. — A new remedy, Gibson 555 



Descriptions of various chalcidoid Hymenoptera, I and II, Girault 555 



Nine new species of Hymenoptera, Crawford 556 



Some new American Hymenoptera, Crawford 556 



Descriptions of miscellaneous chalcid flies, Girault 556 



A remarkable new genus of Encyrtidae from the West Indies, Girault 556 



A new genus of Tetrastichini (chalcidoid Hymenoptera), Girault 556 



The North American species of Dibrachys with a note on Uriolla, Girault 556 



A new species of Lepidopria from North America, Brues 556 



Notes on the e?.g parasites of the apple tree tent caterpillar, Williams 556 



New chalcid flies from Maryland, Girault 556 



The occurrence of Neoderostenus Girault in North America, Girault 556 



A new genus of omphaline eulaphid chalcis flies from Maryland, Gira-ult 557 



Descriptions of and observations on some chalcidoid Hymenoptera, Girault 557 



The occurrence of the genus Achrysocharelloidca in North America, Girault. . . 557 



The red spider on cotton, McGregor and McDonough 557 



The sexual evolution of Sarcocystis muris, Crawley 557 



FOODS — HUMAN NUTRITION. 



Studies of different grades of milk in infant feeding, Washburn and Jones 558 



Value of different grades of milk in infant feeding, Washburn and Jones 559 



Infant feeding.— Addition of limewater to milk, Bosworth and Bowditch 559 



Influence of rennin on gastric digestion of milk protein, Leary and Sheib 559 



Cereal foods in the course of history, Maiu-izio 560 



Milling and baking tests of Victorian wheat, Scott and Winslow 560 



Is lysin tl)e limiting amino acid in wheat, maize, or oats? McCoUum et al 560 



Homemade bread substitutes for diabetic patients, Williamson 560 



Potatoes, sweet potatoes, and other starchy roots as food, Langworthy 560 



Canned tomatoes, McGill ." ". 561 



Determinations of preservatives in caviar, Kope 561 



The nutritive value of wood, Haberlandt 561 



