INDEX TO VOLUME VI, FOURTH SERIES. 

 New names in heavy-faced type. 



Accessions to Museum and Library 



1916, 246-250 

 Acila conradi, 32, 35 



gettysburgensis, 30, 31, 35, 50, 



51 

 washingtonensis, 11 

 Acila gettysburgensis zone, 28, 29, 30, 



33, 44 

 acutilineatus, Phacoides, 29, 30, 31, 32, 



36, 44, 50, 51 

 aequisuloatum, Phalium, 32, 39 

 affinis, Orthotylus, 89, 114, 128 

 Agasoma gravidum, 33 

 albaria, Spisula, 31, 32, 51 

 alockamenensis, Peoten, 36 

 alpestris, Otocoris, 55 

 altifrontalis, Ursus americanus, 278 

 alveata, Amauropsis, 12 

 Alvord, William, 232 

 Amauropsis alveata, 12 

 Ambloxus olequahensis, 12 

 Amblystoma tenebrosum, 221 

 Ambystoma, 221 



macrodactylum, 215 

 amerioana, Antilocapra, 272 

 American Ornithologists Union, 84 

 americanus altifrontalis, Ursus, 278 

 Amphissa eocenica, 12 



packardi, 12 

 AmpuUina mississippiensis, 42 

 oregonensis, 38, 51 

 new species, 29, 38 

 Ancillaria bretzi, 12 

 Anderson, F. M., 241, 246 

 andersoni, Macrocallista, 11 



Nassa, 39 

 angulatus brunneus, Orthotylus, 116, 

 117 



Diommatus, 116 



Orthotylus, 89, 115, 116, 117 

 angustata, Aturia, 32, 40, 42, 51 

 annulatus, Phacoides, 36 

 Anomia subcostata, 35 

 Anoplura, A Catalogue and Host List 

 of the, 129-205 



Index to, 206-213 

 Antelope Group, 272 

 Anthony, A. W., 79 

 Antilocapra americana, 272 

 apicalis, Lygus, 105 

 aragonia, Tellina, 37 

 Area montereyana, 32, 37 

 trilineata, 32, 35 

 species, 51 

 Area montereyana zone, 27, 31, 33, 43 

 arctata, Tellina, 32, 37 



Argentine Government, 246 

 Argobuccinum cammani, 32, 38 



coosense, 38 

 Arnold, Dr. Ralph, 2, 3, 15, 20, 21, 22, 



26, 42 

 arnoldi, Chlorostoma, 38 



Nassa, 39 

 Artemesia, 96 

 astori, Macoma, 32, 36 

 astoriana, Hemithyris, 40, 51 

 Astyris, species, 42 

 Aturia angustata, 32, 40, 42, 51 

 mathewsonii, 14 

 new species, 14 

 Autodax ferreus, 216 



lugubris, 216 

 Avicula pellucida, 11 

 bairdi, Chrysodomus, 38 

 Baker, Prof. Carl F., 116 

 Barbatia morsei, 11 



species, 2 

 Barber, H. G., 97 

 Barron. George Haviland, 239 

 Bathytoma bogachieli, 38 



gabbiana, 38 

 Bear Group, Northwestern Black, 278 

 Bendire, C, 70, 84 

 Bewick Wren, The Pacific Coast Races 



of the, 53-85 

 bewicki, Thryomanes, 53-85 

 bigTittatus, Orthotylus, 89 

 biplicata, Cuma, 38 

 Bird Group, Desert, 294 



Farallon Islands, 290 

 San Joaquin Valley, 292 

 bisculpta, Chione, 35 

 bisecta, Thyasira, 29, 30, 31, 37, 44, 



51 

 Bittium lincolnensis, 29, 33 

 Blakeley horizon, 28 

 blakeleyensis, Turritella, 30, 31, 40, 



51 

 bogachieli, Bathytoma, 38 



Buccinium, 38 

 Botany, Dept. of, 238, 251, 252, 253 

 Bourn, William B., 224, 227, 233, 237, 



290 

 Brachiopoda, 11, 28, 40, 51 

 Brachysphingus clarki, 12, 28, 29, 38 

 Brachyuran remains, 40 

 bretzi, Ancillaria, 12 

 brevidens, Cyrene, 11 

 brewerii, Cardium, 11 

 brunneus, Orthotylus, 89, 116, 117, 

 118, 120, 128 



Orthotylus angulatus, 116, 117 



