684 



INDEX. 



Page. 

 Sawflies of the subfamily Perreyiinae, notes 



and descriptions of neotropical 181 



Scales, fossil fish, from Pern 19 



Schaefler, Charles. New species of North 

 American Clerid beetles of the genus Ami- 

 cus 151 



Schaus, William. New species of lepidoptera 



in the United States National Museum 349 



Sciabregma tenuicornis 36 



Senoclia bilanga 106 



diascoreae 105 



Serpula, an operculate, the fossil annelid 



genus Hamulus Morton 41 



Serpula contortuplicata 42 



crassa 42 



heptagona 42 



sexsulcata 44 



vertebralis 44 



Shannon, Earl V. A crystallographic study 

 of the datolite from 



Westfield, Mass 479 



Description of ferroan- 

 thophyolite, an ortho- 

 rhombic iron amphibole 

 from Idaho, with a note 

 on the nomenclature of 



theanthophyllite group 397 

 Description of Vivianite, 

 encrusting a fossil tusk 

 from gold placers of 

 Clearwater County, 



Idaho 415 



Ludwigites from Idaho 



and Korea 667 



Siboma atraria 26 



Simaruba eocenica 574 



glauca 574 



miocenica 573 



officinalis 574 



Siphateles obesus 28 



Siphonina reticulata 58 



Snyder, John Otterbein. Notes on some 

 western fluvial fishes described by Charles 



Girardinl856 23 



Sophora cookei 117, 121 



europaea 121,572 



henryensis 121 ] 



salvadorana 571, 572 



secundiflora 571 



tomentosa 121, 571, 572 



wilcoxiana 121 



Spider mites, new Nearctic, of the family 



Tetranychidae 659 



Spirobranchus giganteus 42 



S piroculina antillarum 63 



var. amgulata 63 



arenata -. 63 



asperula 63 



grata, var. angulata 63 



cf. ornata 64 



Stanton, Timothy W. A new cretaceous 

 Rudistid from the San Felipe formation of 



Mexico 453 



Stenogomphus scudderi 30 



Stibadium murisca 365 



8tirocorsia kohli 83 



Strongylus canis bronchialis 541 



Page. 



Strongylus equinus 542 



rubidus 542 



Sylvilagus nuttallii 613 



species indeterminable 609 



Syncaligus cardinalis 605 



mali 664 



quercus 665 



tridentifer 664, 665 



Synthetocaulus pulmonalis 545 



Taxidea robusta 618, 631 



taxus j. 631, 632 



berlandieri 632 



Taxonus attenatus 94 



fletcheri 95 



Tenthredella kumaonensis 99 



niapa 101 



siabataka 100 



turneri 99 



Tenthedro balabatea 98 



incognitus 98 



Terrapene Carolina 464 



Tertiary fossil plants from the Dominican 



Republic 117 



Tetranychidae, new Nearctic spider mites of 



the family 659 



Tetranychina apicalis 666 



harti 666 



superba 666 



tritici 665 



Texas, a new species of ray from, and report 

 of the occurrence of a top minnow 



new to the fauna of eastern 657 



some interesting dragon-fly naiads 



from 595 



Textularia agglutinans 49 



candeiana 48, 50 



caribaea 51 



conica 50 



sagittula 50 



Thaumastocladius simplex 457 



Thiachroia deilinias 372 



Thinobadistes segnis 638 



Thomomys bottae leucodon 614, 615 



fuscus 609,613 



quadratus 614 



scudderi 614 



Thyreocera nigrifemora 436 



Tigoma egregia 28 



gracilia 28 



humboldti 28 



Tilgidopsis haesitans 37 



Tillini, North American predaceous beetles 



of the tribe 269 



Tillus, collaris 270 



Tomostethus (Eutomostethus) assamensis.. 107 



(Tomostethus) gracihcornis 107 



tenuicornis 107 



Torre, de la, Carlos, and John B. Henderson. 

 New mollusks from Camaguey and Santa 



Clara provinces, Cuba 247 



Trachea mancilla '. 361 



Trebius latifurcatus 9 



Tretomphalus bulloides 48, 58 



Triachroia deilinias 372 



Trichodactylus (Dilocarcinus) dentatus 462 



Trigoma egregia 27 



Uneata 27 



