INI>EX TO MAY FLIES AND MII)(>ES OF NEW YORK 



347 



Orthotiichia, G4^ 69"-70'. 



americaua, 73", 75''; figure, 73; ex- 

 planation of figure, 33r. 

 angustella, 69^ 70^, 70", 70^. 

 bracliiata, 70-; explanation of 



plate, 818^ 

 X'l-istata, 73S 75«. 

 fetensii, 69°, 75'. 

 Osboru, cited, 249^, 314-. 

 Osteu Sacken, cited, 16(F, 238°, 244", 



314^ 

 Oxyethira, 64^ 70^-72\ 721 



coercens, 70"-71^; explanation of 



plate, 318\ 

 dualis, 71'-72^ ; explanation of 



plate, 319^ 

 frici, 71^ 



viminalis, 71^ ; explanation of 

 plate, 3181 



Pachyleptus, 108^ 109*, 110\ 



Packard, A. S., cited, 110^ 270^, 314^ 



pallens, Ablabesmyia, see Ablabes- 

 myia pallens. 



pallens, Chironomus, 212^ 213-. 



palliatus, Chironomus, 192*, 193', 

 21 7^-1 8^ 



pallidus, Chironomus, see Chirono- 

 mus pallidus. 



Palmobius, IT. 



amiculus, explanation of plate, 

 316\ 



Palpomyia, 93\ 93^ 99^ 104^ 105", 

 105^-6*, 106^ 



Panger, cited, 314*. 



par, Metriocnemus, see Metriocne- 

 mus par. 



par, Orthocladius, 265^ 267^ 302*. 



parvus, Camptocladius, 260^ 263^ 



pavidus, Chironomus, 282*. 



pectinata, Psamathiomyia, see Psa- 

 mathiomyia pectinata. 



pedellus, Chironomus, see Chirono- 

 mus pedellus. 



pedestris, Chironomus, 193\ 219\ 



Pedicia albivitta, 8^ 



pellucidus, Chironomus, 199°, 248^ 



pennsylvanicus, Camponotus, 13^ 



Pentagenia, 2G^. 



Pentaneurn, 8^\ 121°, ISO'-Gl^; ex- 

 planation of plate, 330^. 

 grisea, IGl'-'. 



perdita, Hydroptila, see Hydroptila 

 perdita. 



Perlidae, 8\ 



Perris, cited, 314*. 



pertinax, Corethrium, 77^. 



Pettit, cited, 314*. 



Philippi, cited, 314\ 



photophila, Burmeisteria, 172^ 



Physa heterostropha, 12^ 



pieipes, Metriocnemus, 306\ 



pictipennis, Ablabesmyia, see Abla- 

 besmyia pictipennis. 



pictipennis, Forcipomyia, 100°. 



pictipennis, Psychophaena, 111^ 



pilicornis, Chironomus, 206-. 



pilipes, Chironomus, 244^ 



pllosella, Ablabesmyia, 138*, 138\ 

 152^-53^ 



pinguis, Procladius, see Procladius 

 pinguis. 



Plant-beetles, aquatic, 7'. 



Plates, explanation of, 316^-30°. 



platypus, Orthocladius, 182°-83S 267*. 



platypus, Thalassomyia, 183°, 185*- 

 86\ 



plumipes, Tanypus, 135^ 



plumosus, Chironomus, see Chirono- 

 mus plumosus. 



Podonomus. 89°, 121°, 161- ; explana- 

 tion of plate, 330*. 

 stigmaticus, 161*. 



Poey, cited, 314^ 



polaris, Chironomus, 198*, 206°, 244* - 

 45^ 



politus, Orthocladius, 266% 268\ 



Polycentropus lucidus, 14*. 



Polymitarcys, 23\ '2Q\ 



albus, 18«, 59°, 60--62° ; explana- 

 tion of plate, 318^ 

 Virgo, 29% 60\ 



Polystoechotes, 16^ 



postica, Neuronia, 14-. 



posticalis, Tanypus, see Tanypus 

 posticalis. 



Potamanthus, 23', 26'. 

 praecox, Diamesa, see Diamesa 

 praecox. 



