General Index to Volume XII. 



Names of authors in heavy face type. 

 Generic and specific names in italics. 



^f>ra 153 



Acervida7-ia 145 



Acheloils 523 



A. depressifrons Stimpson 531 



A. spinimamis M.-Edw 530 



Acrothele ,47, 52 



Actaa setigera M.-Edw 529 



AdcBon 167 



Adinocrittiis I47 



Actinodesma 1 53 



Adams, Prof.; ref 678 



^gerine-atcgite, Black Hills 264 



^gerite-porphyry, Quartz; Black 



Hills 248-57 



y^ora 153 



After Images, S. I. Franz 654-5 



Afterimages, Laws of. 655 



Aglaspis 181 



Agnosttis 181 



A gr aulas 47, 181 



A. holocephalus Matt 47 



A. Matthewi Hartt 47 



A. strcniius 42, 47 



Akera 167 



Alaria 167 



Alder; ref 598 



Alder, Dr. J.; Res. Mem 656 



Alexander, J.; ref 88 



Algonkian ; Black Hills 



196-8, 204-9, 295-6 



Allen, Prof.; ref. (note) 105 



Allorisma 153 



Alma, Discovery of. 666 



Alp/ieidcB , , 539~43 



Alpheus 523 



A. avarusFa.hr 540 



A. berniudensis 524 



A. dermiidensis Spence Bate... 540 



A. caiidei 524 



A. cafzdei Guerin 54^ 



A. edamensis 524 



A. ^dwardsii Axidonin 539 



A. forjtiosus Gibbes 543 



A. hippothoe de Man. var. 



bakamensis Rankin 539 



A. hippothoe wax. bahaviensis.. 524 



A. intriiisicus Spence Bate 543 



A. lancirostris 524 



A. lancirostris, n. sp 541-3, 658 



A. minor 's>a,y 540, 543 



A. streptochiriis Stimpson 541 



A. transversa- dacty zwKingsley 541 



A. luebsteri Kingsley 543 



Alternating Currents, Mag- 

 netization OF Iron with. Pre- 

 liminary Report, M. I. 

 Pupin AND S. G. F. Town- 

 send 656-7 



Alveolites 145 



Amaroiicitiin calijornicum Ritter 



(MS.) ...590, 608 



Amauropsis 167 



Ambonica7'dia 153 



Ambonychia 153 



American Dialect Society ; ref 643 



American Philological Ass'n.; ref. 644 



Ames, J. S.; ref 88 



Ammonites 178 



Amphibolites ; Black Hills, 245, 247-8, 

 288-9 



Amphicoelia - 153 



Amphidesma 153 



Amphitrite depressifrons Stimpson.. 531 



A mplexus 145 



Amusinm 154 



Amycla 167 



An Anomaly in the Internal 

 Course of Trochlea Nerve, 



Richard Weil 621, 622 



Anchenaspis (^Thyestes) 686 



Anchura 167 



Ancyloceras 178 



Anderson, A. P.; ref. 488 



Anderson, J. A.; ref 88 



Andersson, J. G. and H. Hed- 



strom ; ref 46 



Andesite family ; Black Hills, 



245, 247, 281-84 

 Andrews, Dr. C. W.: Cor. Mem... 630 



Anemones ; Puget Sound 687-8 



Anguinella 167 



Animal designs, common in Indian 



basketry 672 



Animalia : Whitfield' s list 145 



Anisomyon 167 



Annals of N. Y. Ac. Sc 64,484 



(691) 



