AQUATIC INSECTS IN NEW YORK STATE > 487 
EXPLANATION OF PLATES 
PLATE 1 
Renwick lagoon at the head of Cayuga lake, Ithaca N. Y. Character- 
istic shore vegetation. Photo by J. H. Comstock | 
PLATE 2 
Renwick lagoon, open water. Photo by J. H. Comstock 
PLATE 3 
Upper reaches of a bayou leading from Renwick lagoon across ‘“ the 
fiats.” Photo by J. H. Comstock 
PLATE 4 
Two views along Fall creek, near Ithaca N. Y. (1) Forest lake, looking 
toward the fall where the creek enters. (2) In the bottom of the gorge; 
one of the many small cascades; Simulium territory. Photos by H. N. 
Howland 
PLATE 5 
Aeschna constricta Say 
1 Male imago. Photo from life by J. G. Needham 
2 The nymph approaching a back swimmer. Drawing by Miss Anthony 
PLATE 6 
Unknown caddis fly larva, eaten by Bone pond brook trout 
1 Head of larva. 2 End of abdomen. 3 Case. 4, 5 and 6 Legs of one 
side. 
PLATE 7 
Callibaetis skokiana Ndm. 
1 Imago 
2 Nymph 
Photo from life by J. G. Needham, colored by Miss Anthony, after life 
PLATE 8 
Epiphragma fascipennis Loew. Drawing by Miss Anthony 
PLATE 9 
Epiphragma fascipennis, larva and pupa. Drawings by 
Miss Anthony 
1 Larva, lateral view, anal gills almost withdrawn into the body 
2 Respiratory disk on end of abdomen of larva 
3 Pupa, ventral view 
PLATE 10 
Diptera 
Immature stages 
1 Larva of an unknown Leptid from rapids 
2 One of its paired bifurcated abdominal prolegs, showing grappling 
hooklets protruded 
3 Pupa of Tipula flavicans Loew 
4 Larva of an unknown Tipulid from springs 
5 End of abdomen of same from above 
