Index. 



201 



N 



Lepisosteus osseus 36 



Lepomis auritus 41 



gibbosus 41 



Leptodactylus albilabris 103 



Leuciscus vandoisulus 37 



Lincoln, F. C. A Review of the Genus 



Pedioecetes in Colorado 83-86 



Lithosoma penichra 90 



Loriculus asiaticus 125 



indicus 125 



Luidia porter! 153 



superba 171 



Lyon, M. W., Jr. Smallwood's Compi- 

 lation of the International Rules of 



Zoological Nomenclature x 



Precipitins xi 



On Several Cases of Hookworm 



Infestation . xiii 



Exhibition of Photograph of a 



Case of Congenital Absence of 

 Kidney xiii 



The Relative Resistance of the 



Red Blood Corpuscles of the Sheep, 

 Ox, and Hog xiv 



M 



Malacoptila striata 126 



torquata 126 



Marlatt, C. L. The Pink Bollworm of 

 Cotton xiv 



Marmosa savannarum 108 



Maxon, W. R. Notes on Western Spe- 

 cies of Pellaea 179-184 



McAtee, \V. L. Occurrence of the Cape 

 May Warbler and Blue Gray Gnat- 

 catcher at Washington in December ix 



Showers of Organic Matter . . . x 



Exhibition of Six Rare Bird 



Papers xiii 



McAtee, W. L., and Wetmore, A. White- 

 winged Crossbills near Washington ix 



On Certain Misconceptions of 



Notes of Birds x 



A Theory of Migration of Birds . x 



Menidia beryllina 40 



Metoposarcophaga 46 



Microdon bombiformis 134, 137 



coloradensis 134, 138 



cothurnatus 134 



fulgens 140 



modestus 134, 139 



piperi 134, 136 



remotus 142 



ruficrus 134, 135 



rufipes 140 



scutifer 141 



senilis 133, 139 



tristis 134, 135 



Micropalama himantopus 122 



Micropsitta chloroxantha 126 



Micropterus dolomieu 41 



salmoides 41 



Microrhopias iliaca 5 



Microsorex hoyi 160 



Microtus caryi ... 29 



Miller, G, S., Jr. A Hooded Seal in 



Florida 121 



Miltoravinia 191, 194 



Morone americana 42 



Moxostoma macrolepidotum 37 



Mulsantia 191 



Myiobius suffusus 4 



Myospiza meridanus 127 



Myrmeciza palliate 129 



Myzomela saf fordi 117 



Nardoa tumulosa 90 



Nasiterna pygmea 126 



Nemaster Insolitus 65 



Neocomatella ornata 63 



Neosorex albibarbis 160 



Neotoma lucida Ill 



Nettion leucophrys 75 



torquatum 75 



Notemigonus crysoleucas 37 



Notropis amarus 38 



amoenus 38 



analostanus 38 



bifrenatus 38 



cornutus 38 



procne 38 



o 



Oberholser, H. C. Recent Additions to 

 the List of North American Birds . ix 



Description of a New Sialia from 



Mexico 27-28 



Mutanda Ornithologica.I . . 75-76 



Description of a New Genus of 



Anatidae 119-120 



Autumn Water-bird Records at 



Washington, D. C 122 



Piranga rubra rubra in Colorado . 122 



Mutanda Ornithologica. II . 125-126 



Description of a New Subspecies 



of Perisoreus obscurus .... 185-188 



Odinia magister 93 



Odontaster propinquus 7 



Officers for 1918 xv 



Ophiocnida cubana 69 



Ophiocten squamosum 157 



Ophiopteron alatum 13 



Ophiosteira koehleri 173 



Ostinops australis 3 



melanterus 3 



Oxycerca(?) contusa 20 



Oxyechus vociferus 122 



Oxysarcodexia 191,194 



Paguristes armatus 73 



Pagurus cokerl 73 



Palaeocarria ornata 80 



Palmer, T. S. A Pioneer Naturalist in 

 Southern Florida — Extracts from 

 the Diary of Titian R. Peale, 1825 . x 



Recent Bird Roosts near Wash- 

 ington, D.C ■ . . . xii 



A Key to Ornithological Litera- 

 ture xiii 



■ Centennial of the First Botanical 



Society in Washington, D. C . . . xiii 



Notice of Recent Meeting of 



American Ornithologists' Union . xiv 



The Author of Brisson's 1762 



Edition of Regnum Animale . . . xiv 



Palmer, W. The Fossil Seacow of 



Maryland ix 



On the Recent Freeze in Florida . x 



Porpoises and Steamers xi 



Comments on Certain Bird 



Papers xiii 



Exhibition of Sectioned Tym- 

 panic Bone of a Whale xiii 



Paraphrissopoda 190, 194 



Parasarcodexia 192 



Pecari bangsi 109 



Peckia 190, 192 



Pectinaster robustus 155 



Pedicellaster chlrophorus 93 



