844 



BULLETIN UNITED STATES GEOLOGICAL SURVEY. 



Mycetophila 193 



occulata 753 

 Mycetophilidse 192, 742, 753 

 Mycropyrgus 



minutulus 613 

 Myiarchus 



ciuerascens 675 



crinitus 675 

 Myledaphus bipartitns 574 

 Myodocha 411 



petiolata 411 



serripes 411 

 Myodochinse 411 

 Myopa 342 

 Myopidse 342 

 Myriopoda 161 

 Myrmeleon 361,789 » 



immaculatus 789 



salvias 789 

 Myrmica 741 

 Mjzine 364 



hyalina 787 

 Nabes ferns 428 

 Nabidse 428 

 Nathalis codice 765 

 Nauclerus furcatus 682 

 Neides 406 



decurvatus 406 



muticus 406 



spinosus 406 



trispinosus 406 

 Nebraska, S. Aughey's catalogue of the 



land and fresh- water shells of 697 

 Nemastoma 159 



bimaculatum 161 



dentipalpis 160, 161 



troglodytes 158, 160 

 Nemastomidse 161 

 Nemastomiuae 161 

 Neinestrinidie 224 

 Nemoguatha 



imniaculata 358, 778 



lurida 778 

 Nemotelus 213 



canadensis 213, 779 

 Neosorex 641 



navigator 641 



palustris 641 

 Neottiglossa 401 

 trilineata 401 

 undata 401 

 Nepticnla 141, 150 

 Neritiua 



nebrascensis 610 

 volvilineata 611 



Neuroptera 361, 762, 788 



New Entomostraca from Colorado 151 



Pbyllopod Crustacea from the West, 

 Description of 171 



species of Crawfish 803 

 Nicosles 284, 311, 353 

 Night-hawk 676 

 Nightingale, Virginia 666 

 Noctuida3 115 

 Nomada 784 

 Nonpareil 666 



North American Mesozoic and Cenozoic 

 UnionidsB, C. A. White's comparison 

 of, with living species 615 

 Nothris 



bimaculella 122 



verbascella 122 

 Notiosorex 643, 646, 649 



Crawford i 646, 651 



evotis 652 

 Notodromus monachus 152 , 



Notonecta 453 



insnlata 453 



rugosa 453 



undnlata 453 

 NotonectidsB 453 

 Nototrachys 788 



reticulata 788 

 Nnmenius longirostris 692 

 Nysiinse 409 

 Nysins 409 



angustatus 409 



californicus 409 

 Ochria 



flavago 351 



sancelitse 351 

 Ochyiia abrasaria 769 

 Ocnsea 276 



calida 278 



helluo 278 



longicornis 278 

 Odynerns 785 

 Odonata 350 

 Odontomyia 



arcuata 213 



binotata 779 



iuseqnalis 776 



niegacephala 213 



nigrirostris 363, 779 

 Oecanthns 361 



niveus 792 

 Oecophora boreasella 129, 141, 142 



4-macnlella 129 

 Oedancala 411 



dorsiliLea 411 



