672 



INDEX. 



Metopidia oxysteraa 563 



parvula 542 



pterygoida 554 



rhomboides 552,557 



rhomboidula 559 



salpina 563 



scutumpes 531 



semicarinata 558 



solidus 534 



latusinus 542 



triptera 560 



vitrea 531 



Metoposisyrops oryzae 320 



Mexico, descriptions of new lepidoptera from . 1 



Miamimjia cincta 309 



(Microdon), some diptera from the nests of 



ants 53 



Microdon bombiformis 53 



coloradensis 53 



megalogaster 53 



tristis 53, 55, 56 



cothurnatus 56 



Microweisea coccidivora 631 



misella 631 



ovalis 63 1 



Miotropis clisiocampae 48 



Mirolynx flavitibiae 131 



Miselia dima 11 



Misumena vatia 70 



Mitra syra 505 



Modiolaria (Gregariella) species indetermi- 

 nate 494 



Modiolus ( Brachydontes) grammatus 494 



Mollusk of the genus Pisidium from Alaska, 



with field notes by G. Dallas Hanna 475 



Mollusks of the family Alectrionidae of the 



west coast of America 575 



from the type locality of the Choc- 



tawhatchee marl 599 



Monostyla galeata 533 



Montandoniola thripodes 233 



Morus cannabinus 284 



Moseleya longifilis 159 



Muhlenbergia florissanti 250, 292 



Murex rufirupicolus 506 



Muscacarinifrons 303 



Muscinothelaira lutzi 310 



Muscoid flies, new genera and species of 299 



Myocerops 303 



Myrica 254 



acuminata 255,256, 257 



alkalina 260 



amygalina 255 



bolanderi 255 



callicomaefolia 255, 256, 292 



copeana 255, 259, 292 



diversifolia 255, 260, 272, 273, 274, 293 



drymeja 255, 256, 257 



fallax 255,256,293 



hendersoni 255, 258 



insignis 255,260,293 



latiloba acutiloba 255, 293 



obscura 255,256,258,293 



polymorpha 255, 259 



rigida 255, 256 



scottu 255,259,293 



zachariensis 256,259 



Page. 



Myricha amygdalina 257 



coloradensis 257 



Nagidusa mycombra 21 



Najadopsis rugulosa 252 



Nassa acuta 575 



interstriata 576 



stimpsoniana 577 



woodwardi 576 



Nassarina solida 579 



Natica streptostoma 519 



Neda marginata 634 



Nematonurus abyssorum 143, 159 



affinis 143 



armatus 143 



bona-nox 143, 162 



bulbiceps 143 



clarki 143, 159 



cyclolepis 143 



firmisquamis 143 



gigas 143 



goodei 143 



lecointei 143 



longifilis 143, 159 



pectoralis 143, 161, 168 



suborbitalis 143 



Neomaskellia bergii 437 



Neophryxe psychidis 318 



Neotetranychus rubi 586 



Neotetrastichodes longicorpus 129 



Nephelistis oomae I6 



Nerita tampaensis 522 



Nesalcis nebetta 29 



Nezumia condylura 195 



Nilssonia? aequalis 457 



polymorpha 459 



Nodosaria antennula 653 



(Glandulma) laevigata, var. stria- 

 tula 653 



laevicostata 656 



lepidula, var. hispidula 654 



millettii 654 



pauciloculata 655 



pyrula, var. longi-costata 653 



scalaris, var. separans 654 



spirostriolata 456 



subcanaliculata 655 



subperversa 655 



subpolygona 654 



subscalaris, var paucicostata 654 



substriatula 655 



Northia northiae 579 



Northrotherium escrivanense 116, 118 



graciliceps 116 



shastense 121 



texanum 116, 117 



Notogonia ehrenbergii 553 



Omphalomomyia thymus 485 



Onoclea reducta 273 



Ootetrastichus mymaridis 130 



Ophioglossum alleni 247 



Ophryastites hendersoni 105 



Orcus australasiae 637 



Oreohelix idahoensis baileyi 331, 333 



idahoensis 333 



yavapai angelica 332 



mariae 331 



Oreophyto ochreicomis 302 



