IXI'EX TO MAY FLIES AND INIIDGES OP" NEW YORK 



347 



Orthotrichia. (>4^ GG^-TO". 



aiuericaua, 73°, 75"; figure, 13: t>x- 



planation of figure, 331'. 

 augustella, G9', 7(y, 70^, 70^. 

 bracliiata, 70-; explanation of 



plate, 318^ 

 eristata, 73°, 75«. 

 teteusii, 69^ 75". 

 Osborn, cited, 249% 314=. 

 Osten Sacken, cited, 160^, 238°, 244", 



314'. 

 Oxyetliira, 64», 70'-72S 72^ 

 coercens, 70^-71^ ; explanation of 



plate, 318^ 

 dualis, 71'-72' ; explanation of 



plate, 319'. 

 frici, 71^ 



viminalis, 71' ; explanation of 

 plate, 318". 



Pachyleptus, 108^ 109', 110\ 

 Packard, A. S., cited, 110', 270», 314=. 

 palleus, Ablabesmyia, see Ablabes- 



iiiyia pallens. 

 pallens, Cbirouomus, 212^ 213=. 

 palliatus, Chironomus, 192% 193', 



217''-18=. 

 pallidus, Cbirouomus, see Cbirono- 



mus pallidus. 

 Palmobius, 17'. 



amiculus, explanation of plate, 

 31G'. 

 Palpomyia, 93', 93°, 99% 104% 105% 



105''-6% 106'. 

 Panger, cited, 314*. 

 par, Metriocnemus, see Metriocue- 



mus paj^ 

 par, Ortbocladius, 265% 267% 302*. 

 parvus, Camptocladius, 260% 263'. 

 pavidus, Cbironomus, 282*. 

 pectinata, Psamatbiomyia, see Psa- 



matbiouiyia pectinata. 

 pedellus, Cbironomus, see Cbirouo- 

 mus pedellus. 

 pedestris, Cbironomus, 193% 219'. 

 Pedicia albivitta, 8'. 

 pellucidus, Cbironomus, 199^, 248». 

 pennsylvanicus, Camponotus, 13'. 

 Pentagenla, 26°. 



Peutaneura, 89% 121% 160^-61=; ex- 

 planation of plate, 330°. 



grisea, 161-'. 

 perdita, Hydroptila, see Hydroptila 



perdita. 

 Perlidae, 8\ 

 Perris, cited, 314*. 

 pertinax, Coretbrium, 77*. 

 Pettit, cited, 314*. 

 Pbilippi, cited, 314'. 

 pbotopbila, Burmeisteria, 172'. 

 Pbysa beterostropba, 12'. 

 picipes, Metriocnemus, 306'. 

 pictipeunis, Ablabesmyia, see Abla- 

 besmyia pictipennis. 

 pictipeunis, Forcipomyia, 100°. 

 pictipennis, Psycbopbaena, 11 1\ 

 pilicornis, Cbironomus, 206% 

 pilipes, Cbironomus, 2-t4^ 

 pilosella, Ablabesmyia, 138% 138% 



152'-53'. 

 pinguis, Profladius, see Procladius 



piuguis. 

 Plant-beetles, aquatic, 7". 

 Plates, explanation of, 316'-30°. 

 platypus, Ortbocladius, 182°-83% 267*. 

 platypus, Tbalassomyia, 183% 185'- 



86'. 

 plumipes, Tanypus, 135^ 

 plumosus, Cbironomus, see Cbirono- 

 mus plumosus. 

 Podonomus, 89% 121% 161- ; explana- 

 tion of plate, 330*. 



stigmaticus, 161*. 

 Poey, cited, 314^ 

 polaris, Cbironomus, 198*, 206% 244'-- 



45'. 

 politus, Ortbocladius, 266% 268". 

 Polycentropus lucidus, 14*. 

 Polymitarcys, 23% 26^ 



albus, 18% 59% 60=-62°; explana- 

 tion of plate, 318-. 



Virgo, 29% 60'. 

 Polystoecbotes, 16". 

 postica, Neu'ronia, 14% 

 posticalis, Tanypus, see Tanypus 



posticalis. 

 I'otamantbus, 23% 26". 

 praecox, Diamesa, see Diamesa 



praeeox. 



