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Second Note on a New Hemileuca

most frequent. T. D. A. Cockerell. N. M. Agr. gxb. Sta. A CURIOUS COCOON OF ATTACUS CECRO PIA.- In September last I found a very large larva of Cecrapia feeding on willow in a swampy place. I took it

Arthropods in Burmese Amber

International Journal of ARTHROPODS IN BURMESE AMBER. By T. D. A. COCKERELL, By T. D. A. COCKERELL 0 A study of 0 considerable quantity of Burmese amber 0 additional to that previously reported on 0

The Jurassic Insects of Turkestan

numbers show that the generation extends on the average slightly over a month, but may be somewhat shorter, while laggards may extend the time considerably. - JURASSIC INSECTS OF TURKESTAN BY T. D. A ... . COCKERELL, University of Colorado. In 1920 a very remarkable deposit of fossil insects of Jurassic age was discovered in the vicinity of Galkino, in Turkestan. The locality is within the territory of the so

The Genus Phryganea (Trichoptera) in the Florissant Shales

International Journal of THE GENUS PIIRYGANEA (TRICHOPTERA) IN THE FLORISSANT SHALES. BY T. D. A. COCKERELL. 0 0 The University of Colorado , USA If it receives anything like the treatment it

A New Genus of Chalcidoid Hymenoptera (Callimomidæ)

International Journal of BT T. D. A. COCKERELL Mr. Charles H. Hicks has for many months been studying the insects breeding in dead herbaceous stems. He finds that these will emerge in grat numbers

The Dragon—Fly genus Agrion (Calepteryx in Colorado

International Journal of VOL. XX. BY T. D. A. COCKERELL Boulder The beautiful genus Calepteryx, or as it seems we must now call it, Agrion, has a curious distribution in North America. Represented

Second Note on a New Hemileuca

most frequent. T. D. A. Cockerell. N. M. Agr. gxb. Sta. A CURIOUS COCOON OF ATTACUS CECRO PIA.- In September last I found a very large larva of Cecrapia feeding on willow in a swampy place. I took it

A New Bee of the Genus Emphor

. bombiformis but represent a new species. BY T. D. A. COCKERELL 0 EMPHOR FUSCOJUBATUS Ckll. 0 0 University of Colorado , USA 9. Like E. bombiformis ( cotype from Georgia compared) but differing as follows ... examination by Prof. T. D. A. Cockerell revealed the fact that they were sufficiently unlike E. bombiformis to be clashed as a new species, named by Prof. Cockerell Emphor fuscojubatus, and differing from the

Two Forms of Prodoxus Coloradensis Riley

International Journal of 0 T. D. A. Cockerell. Mesilla , eV. M., Sebt 21, 22. *Chiriquibia, 22. *Chlorizanthe, 21. Cotinis, 2r, 22, 24. Euphoria, 23" Genuchinus, 23 Gymnetis, 21, 22, 23 Trickiidae

North American Bees of the Genera Andrena and Melitta in the British Museum.—I

International Journal of BY T. D. A. COCKERELL BOUI.DER COLORADO. NORTH When, in the summer of i9o4, I visited the British Museum, one of my chief objects was to examine the types of the American

The Panurgine Bees

the Nat. Museum. It is hardl3, necessary for me to say, that I value extrenely Mr. Ashmead?s table of bees and disagreement as to details must not be taken for disparagement of the .whole. T. D. A ... . Cockerell. VOLUME OF PSTC began in January, 897 and will continue through three years. The subscription price (payable in advance) is $5.oo per volume, or Sz.oo per year, postpaid. Numbers are issued on