CONTENTS OF VOLUME VII. 
PAGE 
TRIGGERSON, C. J.—A Study of Dryophanta Erinacei (Mayr) and its Gall.... 1 
Cuitps, Leroy—The Anatomy of the Diaspinine Scale Insect Epidiaspis 
Pract, (CELA CE as sie ait GEC ikke es SRP ici Dic! Ee BIO eae 
GILLETTE, C. P.—Some Pemphiginae Attacking Species of Populus in Colorado 61 
ZereK. J.——Wispersal of Musca Domestica ‘Linne.. 2.0.2. 05 6c o eect eee 70 
housek o:—conwerntzia Hagent Banks. 5... ci feces be nent bole gee ees 73 
Moore, Wm.—A Comparison of Natural Control of Toxoptera Granimum 
MHeSOUEeAthICaL ang Unibedustatess.. 4h ase, <)cllen site seta teres iste eisiare = 77 
Renmane lyr — i epore OF PaAtasit@St. ois nc425 cass coc eo vleseras ele eewaa cose 86 
FERNALD, H. T.—Notes on Some Old European Collections.................. 89 
MacGILLtivRay—Proceedings of the Atlanta Meeting................. Ree ntnare 97 
Forses, Wm. T.—A Structural Study of the Caterpillars; III, The Somatic 
IS CI AGH es ck Nisiic s Sioteoe Bone ee Ba ean ae Re ae AEA 109 
We cu, PAut S.—Observations on the Life History and Habits of Hydromyza 
Caniuensieocw.s (Wiptera)s. 2 .s.ecloen} sors Does Ae ee eee 135 
CRAWFORD, J. C.—Some Species of the Bee Genus Coelioxys..............-++ 148 
TOWNSEND, CuHas. H. T.—Connectant Forms Between the Muscoid and 
Nth @ naytOLCarkull Coumreterrane seis se st el chewak estas ne eetatier are eiees 160 
PETRUNKEVITCH, ALEXANDER—Spiders Collected by Mr. C. William Beebe 
AAAI CESGNTC UTC Ey CLIT Ose eyes aio we Gotoh Semaai ave J a daa Saligeiaty Siete 169 
SEVERIN, Henry H. P., SEVERIN, Harry C., HARTUNG, Wm. J.—The Ravages, 
Life History, Weights of Stages, Natural Enemies and Methods of 
Control of the Melon Fly (Dacus Cucurbitae Coq.)................. 177 
PALMER, MirtAm A.—Some Notes on the Life History of Ladybeetles........ 213 
ALEXANDER, CHAS. PAuL—On a Collection of Crane Flies (Tipulidae Diptera) 
HROTaa HAVE dR pled SIE 06 Kee Sie Ae EA SS 3 a 239 
GaHAN, A. B.—A New Species of Cheiloneurus with a Key to the Described 
PEClESesnOmMeE tee W spore yes « -1- 5s Ae MRM Anse la tek avaiels ws ee ete 247 
Tower, DAntEL G.—Note on the Number of Spiracles in Mature Chalcid 
WAAC. Ret Piste cq taker tetris Uh: SA a Re NE oP Pairk a ath 2 249 
Noyes, ALicE Ayr—The Biology of the Net-Spinning Trichoptera of Cas- 
PEO SS) 2 (a eta ee 251 
MosHER, EpnNA—The Classification of the Pupae of the Ceratocampidae and 
JS SEPALS OC S52) cs ep i eS Cf So 277 
BLOESER, WM.—Notes on the Life History and Anatomy of Siphona Plusiae.. 301 
NEWCOMER, E. J.—Some Notes on Digestion and the Cell Structure of the 
ieesnweseprtielutn i) Insegtse.- ge. ace-c- at cccle cece cee cece 311 
BAUMBERGER, J. P.—Studies in the Longevity of Insects.................... 323 
MetGrEcor,.E. A-Vour New Tetranychids.. 2) 2..5. 22... 0.6.5 ec eee 354 
