1913. 



NATURAL SCIENCES OF PHILADELPHIA. 



■33 



523 



Nannostominse ■_ 



Nannostomus stigmasemion 523 



Nannotettix bilineatus 372 



guentheri 372 



pallidevittatus 372 



Nassa vibex 495 



Natica pusilla 495 



Navicula placenta Oqq 



Necator americana 13o 



Nemobius, 394, 395, 398-401, 404, 417, 

 433, 446, 451-453, 455, 460, 466, 

 468, 489, 491 



affinis 474,4?5,480 



aUeni 400 



ambitiosus, 401, 402, 404, 430, 

 439, 441 



angusticoUis 401, 47^, 480 



aterrimus, 400, 425, ^56, 460, U75 



brasiliensis, 399, 401, 403, 426, 



444-^46, 44^ 



brevicaudus -4^^ 



bruneri, 401, 403, 438, 449, 452, 



480 



canus, 400, .',08, 409, 415, 417, 423 



425, 427 



carolinus, 400, 401, 404, 408, 417, 



452, 455, 4-55, 460, 461, 467, 468, 



471 472-475, 479, 480, 482-490 j 



c. brevicaudus 401,404,482 , 



c. neomexicanus, 401, 404, 451, j 

 462,483,484,487 



circumcinctus 399 



comanchus 401, 461, 464 



confusus, 401, 404, 430, 468, 474, 



475, 478, 480, 489, 492 



cubensis, 400, 401, 403, 407, 417, 



425, 434, 437, 455-457, 460-463, 



468, 469, 474, 47o, 479, 480 



c. mormonius, 401, 403, 445, 452, 



456, 461, 467, 485, 488 



delicatus 399 



denticulatus '^^^'^' ^ 



distinguendus 399,400 



ensifer. 399,400 



exiguus, 400, 405, 417, 473, 474, 



475, 479, 480 



fasciatus, 376, 400, 402, 405, 407- 



410 412-417, 422-433, 435, 



437, 440, 444-447, 452, 456, 457, 



469. 471, 478, 479 



f. abortivus, 401, 402, 412-415, 



427, 429 



f. socius, 400, 401, 402, 412-416, 



424-426, 437 



f. vittatus 407,408,409 



funeralis -^37 



eriseus, 401, 402, 404, 409, 410, 



430, 434, 436-438, 440 



g. funeralis 401, 402, 404, 437 



hastatus 401,426 



janus 475,480 



Nemobius lineolatus 398 



longipennis 376,377,446 



maculatus, 401, 402, 404, 4O8, 409, 



409, 410, 411, 417, 428, 430, 433, 



441,489,491,492 



major j-tb 



marginatus 41/ 



melleus 401,44^,449 



mexicanus, 400, 444, 445, 4^0, 451, 

 467,465,467 



mormonius -^61 



neomexicanus 400, 467, 4^4, 488 



palustris, 401, 403, 409, 417, 4.56, 



4.57, 460, 468, 471, 472, 474, 47o, 



480, 489, 490 



p. aurantius 401, 403, 4/2 



panteli 401,443,444 



pictus 399,400 



mfus 377,400 



(anaxipha) septentnonalis, 4' 3, 



socius 423,427,474,480 



svlvestris 395, 405, 450, 451 



toltecus. 403, 449-451, /M, 488 



trinitatis 400 



utahensis 400, 407, 4O8, 409, 417 



vittatus 405, 4O6, 407, 409, 474 



volaticus, 401, 4oo, 460, 473, 474^ 

 479,480 



Nemosia nigrogenis...: 



Neoceratina 



Neoconocephalus macropt erus 



muticus 



redtenbacheri 



saturatus 



Neonemobius 403, 449, 456, 



Neopasiphae 



Neoxabea brevipes ■_ 



bipunctata 377, 



Neritina virginea 494, 



viridis 



Nesolestes 245,258, 



Neuragrion, 240, 241, 2.57, 259, 262, 



mysticum 221, 



Neurolestes 245, 2.57, 262, 



trinervis 221,223, 



Neurothemis 



Nitzschia 



clausii 



Nomada 



Nomia 



austraUca 



flavoviridis 



Nomioides 



Notolepidomyzon... 



Nototrema marsupiatum. 



Nyctibora limbata 



Nyctidromus albicollis 



Nyctinassa violacea 



Nyctiprogne leucopyga . . 



-209 



29 



375 



374 



375 



37.'> 



46H 



29 



377 



378 



497 



490 



262 



26a 



223 



264 



245 



255 



581 



582 



20 



29 



44 



44 



44 



29 



47 



161 



277 



198 



193 



198 



