122 



The Biological Society of Washington. 



Chelopus insculptus . . 65 



Chelydra serpentina 11 



Chrosomus erythrogaster 94 



Chrysemys elegans 12 



hieroglyphica 12 



niarginata 12 



troosti 12 



Cichla fasciata 107 



Cistudo Carolina 12 



Citellus ablusus 61 



parvus 25 



Clark. H. W. On the unusual flower- 

 ing of certain plants vii 



Observations on Riccia ■ ■ . . vii 



Clupea alosa 99 



harengns 99 



sapidissima 99 



sardina 99 



Cnemidopliorus sexlineatus 11 



Coccyzus dominicfc 54 



grenadensis 53 



inayiiardi 54 



minor 54 



nesiotes 54 



vincentis 54 



Coleosanthus garrettii 38 



Coluber guttatus 12 



obsoletus 10 



Cook, O. F. Parthenogenesis and al- 

 ternation of generation in parasitic 



Hymenoptera vii 



Cooke. W. W. A r6sum6 of the present 

 bird migration season ix 



Discussion of the spring migra- 

 tion of birds x 



Coregonus albus li^^ 



angusticeps 100 



artedi 100 



coulteri 99 



clupeiformis 100 



harengus 100 



kennicotti 99 



labradoricus 100 



latior 100 



lucidus 100 



nelsoni 100 



quadri lateralis 99 



signifer 104 



thymalloides . 104 



tullibee 100 



williamsoni 99 



Corynorhinus inacrotis 7 



Cottus asper 110 



cognatus 110 



formosa Ill 



franklini Ill 



gracilis Ill 



hexacornis Ill 



ictalops 110 



labradoricus Ill 



onychus 110 



philonips 110 



rifhardsoni 110 



spilotus 110 



Couesius dissimilis 97 



greeni 98 



plumbeus 97 



prosthemius 98 



Coville, F. V. PhotoKrai)hic reT)roduc- 

 tions of rare bf)tiini(al Ijooks . . . ix 



Cristivomer iiiiniaycush 102 



siscowrl 103 



Crotahis liorridus 11 



Cyclopliis astivus 10 



Cypriiius catostomus 93 



chrysoleiicas 95 



forstcrianus 93 



gracilis 98 



hudsonius 93 



smithii 98 



D 



Dall, W. H. Notes on Cretaceous Volu- 



tidfe vii 



Desmognathus fusca 15 



Dewey, L. 11. The zapupe fiber plant 



of eastern Mexico ix 



Diadophis punctatus .... ... 10 



Didelphis virginiana 2, 71 



DiemyctyUis viridescens 15 



Dipodomys cratodon 75 



insularis 77 



kernensis 77 



margaritfe 76 



nelsoni ■ ■ • 75 



platycephalus 76 



Douglasia johnstoni 37 



E 



Erethizon my ops 62 



Erimyzon oblongus 94 



Esox borons 105 



estor 105 



lucius 105 



mastiuinongy 106 



nobilior ., 106 



reticulalus 105 



Etheostoma aspro 109 



boreale 109 



flabellare 109 



guntheri 109 



iow;e 109 



nigrum 109 



Quappelle 109 



Eucalia inconstans 106 



Eumeces Qiiinciuelineatus 11 



Eupomotis Kibl)o.sus 107 



Eutenia saurita 12 



sirtalis 11 



Eutamias consobrinus 24 



minimus 24 



operarius 24 



utahensis 23 



Everniann, B. W. The golden trout 

 and the southern high Sierra . ix 



Freshwater mussels and the 



pearl button industry x 



Evermann, B. W.. and Goldsborough, 

 E. L. A check list of the fresh- 

 water fislies of Canada .... 89-120 



Evotomys ddwsoni 61 



Exoglossum maxillingua 98 



F 



Fiber spatulatus . . . 



zibethicus . . 

 Fritellaria lunellil 

 Fundulus diaiilianus 



heteroclitus . . 



. 62 

 5, 73 

 . 35 

 .100 

 . 106 



Q 



Gadus lacustris 92 



lota Ill 



maculosus Ill 



Gasterosteus aculeatus 107 



bispinosus 107 



conciniuis 106 



cuvirri 10" 



gymnetos 106 



inconstans 106 



l)ungitius 106 



Gidley, .1. W. ,\ new horned rodent 

 from the Miocene of Kansas ■ . . viii 



Gill, T. N. New facts concerning par- 

 ental care among freshwater fishes ix 



