Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . of Nova Scotia, by J. W. Dawson. Copied from a figure in Dr. DawsonsAir-breathers of the Coal-period. Magnified. Fig. 5. Lithentomum Hartii. A Neuropterous insect, the specimen first dis-covered by Mr. Hartt in the Devonian rocks of New Brunswick. This fossil, andthose accompanying it, are the oldest insect-remains in the world. Fig. 6. Three facets from the eye of an nisect, considered by Dr. Dawson aDragon-fly. It was found in coprolites of rept
Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . of Nova Scotia, by J. W. Dawson. Copied from a figure in Dr. DawsonsAir-breathers of the Coal-period. Magnified. Fig. 5. Lithentomum Hartii. A Neuropterous insect, the specimen first dis-covered by Mr. Hartt in the Devonian rocks of New Brunswick. This fossil, andthose accompanying it, are the oldest insect-remains in the world. Fig. 6. Three facets from the eye of an nisect, considered by Dr. Dawson aDragon-fly. It was found in coprolites of reptiles in the rocks containing the My-riopod, represented in Fig. 4. Copied from Dr. Dawsons figure, greatly magnified. Fig. 7. Homoihetns fossilis. A Neuropterous insect ft-om the Devonian rocks ofNew Bnmswick; it was discovered by Mr. Hartt. Fig. 8. JTaplophlebiiim Barnesii. A curious Neuropterous insect, of large size,probably allied to our May-flies; taken by Mr. Barnes from the coal of Cape Bre-ton. These figures, with the exception of 1, 4, and 6, are of life size, and borrowedfrom the new edition of Dr. Dawsons Acadian Geology. Plate Fig .3. Fig. 3. Fig. 4.
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects
