TABLE OF CONTENTS 



Officers and Committees for 1919 iii 



Proceedings for 1919 ix 



One New Genus and Two New Species of Anthomyiidae from 

 the vicinity of Washington, D. C. (Diptera), by J. R. Mal- 

 loch 1-4 



Three New South American River-crabs, by Mary J. Rathbun ... 5-6 



Mutanda Ornithologica. V, by Harry C. Oberholser 7-8 



The Wisconsin Napaeozapus, by Hartley H. T. Jackson 9-10 



Description of a New Race of the Western Gull, by Jonathan 



Dwight, M.D 11-14 



Critical Remarks on Philippine Landshells with Descriptions 



of New Forms, by Paul Bartsch 15-20 



Mutanda Ornithologica. VI, by Harry C. Oberholser 21-22 



An Unrecognized Shrew from Warren Island, Alaska, by Hart- 

 ley H. T. Jackson 23-24 



Five New Species of Jassoidea from Honduras (Hemiptera: 



Homoptera), by Edmund H. Gibson 25-28 



Description of a New Conurus from the Andaman Islands, by 



Harry C. Oberholser 29-32 



Lake Superior Lumbriculids, including Verrill's Lumbricus 



lacustris, by Frank Smith 33-40 



New Pacific Coast Plants, by Charles V. Piper 41-44 



General Notes.. 45^8 



The Generic Names Anoa and Bubalus, by N. Hollister, 45; 

 A New Name for the Wild Sheep of Northeastern China, by 

 N. Hollister, 46; The Family Name of the American Wood 

 Warblers, by Harry C. Oberholser, 46; Eumyias versus Stop- 

 orala, by Harry C. Oberholser, 47; Passerherbulus leconteii 

 (Audubon) becomes Passerherbulus caudacutus (Latham), 

 by Harry C. Oberholser, 47; The Proper Orthography of the 

 Generic Name Phoethornis Swainson, by Harry C. Ober- 

 holser, 48; The Status of the Subfamily Name Fuligulinae, 

 by Harry C. Oberholser, 48; Additions and Corrections to 

 "A List of Families and Subfamilies of Ichneumon-flies or 

 the Super Family Ichneumonoidea (Hymenoptera)," by 

 Henry L. Viereck, 48. 



A List of the Fishes of Pennsylvania, by Henry W. Fowler 49-74 



Two New Genera and Thirteen New Species of Australian 



Thysanoptera, by J. Douglas Hood 75-92 



Six New Birds from Celebes and Java, by J. H. Riley 93-96 



The Genera Corythaica Stal and Dolichocysta Champion 



(Tingidae: Heteroptera), by Edmund H. Gibson. 97-104 



Descriptions of Nine New North American Pikas, by Arthur 



H. HowelL..... 105-110 



A New Cheilanthes from Mexico, by William R. Maxon.. 111-112 



Descriptions of Apparently New Colombian Birds, by W. E. 



Clyde Todd 113-118 



A New Texan Parajulus. by Ralph V. Chamberlin. 119-120 



A New Genus for Tettigonia trifasciata Say. (Homoptera; 



Eupterygidae), by W. L. McAtee 121-124 



(v) 



