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Lithocolletis coryliella, Cham. Larva in a nearly circular blotch mine in the upper surface.

Nepticula corylifoliella, Clem. Imago unknown. Larva in a linear, crooked mine in the upper surface.

Gelechia coryliella, Cham. Imago unknown. Larva in the male catkins in autumn.

Hyale coryliella, Cham. Larva in a web on under surface of the leaves.

OSTRYA VIRGINICA. Iron Wood or Hornbeam.

Lithocolletis obscuricostella, Clem.

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Lithocolletis ostryæfoliella, Clem.

Larva in tentiform mines in under side of leaves.

Lithocolletis coryliella, Cham. See under Corylus (supra).

Lithocolletis tritaniaella, Cham. Larva in roundish blotch mine in upper surface of the leaves.

Eaa ostryæella, Cham. Larva in a flat mine between two ribs, with a row of "frass" on each side.

Aspidisca ostryæfoliella, Clem. Imago unknown. Larva in a minute blotch mine in upper surface of leaves, from which it cuts out its pupal

case.

Nepticula ostryæfoliella, Clem. Nepticula virginiella, Clem. face of leaves.

Gracilaria ostryæella, Cham.

Imago unknown. Larvæ make linear, crooked mines in upper sur

Imago unknown. The larva when very

small makes a linear, whitish mine in the upper surface of the leaves. Coleophora ostryæ, Clem. Imago unknown. The larva lives in a case and feeds on the under surface of the leaves.

CARPINUS AMERICANA. Waterbeech, Hornbeam.
Lithocolletis coryliella, Cham. See under Corylus.

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Larvæ in tentiform mines in

Lithocolletis alnivorella, Cham.

Lithocolletis alnifoliella, Hübner.

Lithocolletis auronitens, Frey & Boll. S the under side of the leaves.

Gracilaria alnicolella, Cham.

When very young, the larvæ mine

Gracilaria alnivorella, Cham. the leaves; when older, they roll them downward, alnicolella from the tip, alnivorella from the side.

Lyonetia alniella, Cham. The larva makes a large brownish blotch mine in the leaves.

SALICACEE.

SALIX (various species). Willows.

Lithocolletis salicifoliella, Cham. (& Clem.?). Larva in a tentiform mine in the under surface of leaves.

Gracilaria salicifoliella, Cham. Larva in a blotch mine in upper sur face of the leaves.

Gracilaria purpuriella, Cham. Larva rolls the leaves from the tip so as to form a cone.

Cemiostoma albella, Cham. Larvæ in large blackish blotch mines. Aspidisca saliciella, Clem. & Cham. Larva in a minute blotch mine, from which it cuts out its pupal case.

Nepticula fuscotibiæella, Clem. Larva in a linear mine bent back on itself.

Nepticula. Two unknown species make narrow, linear, crocked mines, one of which is in the upper and the other in the lower surface of the leaves.

Marmara salictella, Clem. Larva burrows in young twigs.

Batrachedra præangusta, Haw.
Batrachedra salicipomonella, Clem.
Batrachedra striolata, Zeller.

The specific distinctness of the insects described under these names seems to me not suffici

ently established. B. salicipomonella was bred from galls made by other insects ou Willows. The mode of feeding of the others is not satisfac torily determined.

Gelechia salicifungella, Clem.

Gelechia fungivorella, Clem.

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Larvæ in galls made by Cynips.

Gelechia, sp.? Imago unknown. The larva sews together Willow leaves at great elevations in the Rocky Mountains.

POPULUS (various species). Poplars, Aspens, Cottonwood.

Cemiostoma albella, Cham. See under Salix.

Batrachedra præangusta, Haw.

Batrachedra salicipomonella, Clem.

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See under Salix.

Batrachedra striolata, Zeller.

Aspidisca sp. Makes a minute mine in Aspen leaves in Oregon. Possibly it is A. splendoriferella Clem.

Gracilaria populiella, Cham. Larva rolls Aspen leaves in the Rocky Mountains.

G. purpuriella, Cham. Larva mines leaves of Silver-leaf Poplar. See under Salix.

Lithocolletis populiella, Cham. Larva in a tentiform mine in under side of leaves of Silver-leaf Poplar.

A larva of an unknown Nepticula (?) mines leaves of Cottonwoods in Colorado.

A larva, possibly not Lepidopterous, mines Cottonwood leaves at the tip in the upper surface in Colorado.

LILIACEE.

Soapweed, Spanish Bayonet, Bear's Grass. Pronuba yuccasella, Riley. Larva feeds in the ovary on the seed.

YUCCA (various species?).

Imago found in the flowers.

SMILACEÆ.

SMILAX GLAUCA. Greenbrier, Sarsaparilla.
Phyllocnistis smilacisella. Imago unknown.
linear white mine in the upper surface of the leaves.

The larva makes a

GRAMINEÆ.

BRACHELYTRUM ANGUSTATUM.

Elachista brachelytrifoliella, Clem. Larva mines in the leaf-blades.

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Elachista præmaturella, Clem. Larva probably mines the blades of this grass.

PANICUM CLANDESTINUM. Panic Grass.

Cycloplasis panicifoliella, Clem. The larva mines the leaf-blades.

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Gelechia cerealella, Auct. The larva feeds on the grain.

ART. V.-INDEX TO THE DESCRIBED TINEINA OF THE UNITED

STATES AND CANADA.

BY V. T. CHAMBERS.

Having, in the last ten years, described a large number of new species of the Tineina, with notes on many other species previously known in various scientific periodicals, and the notes and descriptions referred to being, therefore, scattered through various volumes, I have been urged by other entomologists to catalogue the species. Many other species had been previously described by other authors, whose publications were equally scattered and inaccessible with my own, so that, for my own convenience in the study of the group, I had prepared an index for ready reference to the species, and that index needed but little alteration to make it complete, so far as I am acquainted with the species.

Convinced that a catalogue of my own species only would be of but little service to students, while the writings of others were so inacces sible, and, indeed, unknown to many American entomologists, it has seemed to me that a publication of this index would answer the pur pose better than a mere catalogue of the species. I therefore offer it in the hope that it may prove as useful to brother entomologists as it has

been to me.

It is only an index of the species as American species. Many of our species are identical with those of Europe, and I have not attempted to abstract the entomological literature of Europe as to these species.

As to the European literature of the subject (American Tineina), I have not attempted to bring it down to a later period than the latter part of the year 1875. For, having been absent in Colorado during the greater part of the time, it was impossible to keep au courant with it; and if any European publications have been made since that time they are unknown to me. A letter from a gentleman in Europe, received by me in 1875, informed me that Professor Frey was then engaged upon a work on American Tineina, but if it has been published I have not learned the fact. So far as American publications are concerned, the index is brought down to November, 1877, with references, also, to volume 10 of the Canadian Entomologist (1878), which will contain notes already prepared upon some species. There are also references to species described upon previous pages of this volume. These references are simply to the volume, not to the page.

Professors Zeller and Frey have described many of our species in various European publications. Usually (always?), however, these pa

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