ENTOMOLOGY

(,JIA.PTICRCONTENTSPAoaJ. How INSECTS CAN CARRY OR CAUSE DISEASE 19II.CLASSIFICATION OF METHODS BY WHICII INSECTS CAN CARRY OR CAUSEDISEASE. • • • • • • • • • • • • •• • •••WUY IT IS NECESSARY TO KNOW How INSECTS CARRY DISEASESOlliE NECESSARY STEPS IN ANY ATTEMPT TO PROVE INSECT TRANSMISSION ORCAUSATION OF DISEASE • • • • • • • • • • • • • • • • • • • 25I. COOPERATION ••• • • • • • • • . • • • • • • • • 25II. WHERE SUOULD TIlE INVESTIGATIONS OF INSECT TRANSMISSION BEGIN? 26III. PLAN OF OPERATION • • • • • • . • • • • • • • •• 26IV. How SHALL WE RECOltD OUR OBSERVATIOJo."8? • • • • ., 27V. How CA:N AN U,"8ECT BE INVOLVED IN DISEASE TRANSMISSION? 27, 1. What Kind of Organisms Can Insects Carry? . . . .. 272. In Wbat Manner May Insect Toxins Bring About Disease? 278. Can Insects Themselves Cause Disease? ........ 284. 'Vhere May Insects Obtain the Organisms Whieh Cause Disease? !i!S5. How Can the Insect Transmit the Organism? . . . . 286. What is the Course of the Organism in the Insect? . . . 297. What is thl" Course of the Orgenism on Leaving the Insect? 29VI. WHAT IS KNOWJIi ADOUT TUE DISEASE TO DE IJo."'VESTIGATED? .80VII. WIlAT h-SE{,TS SHOULD BE INVESTIGATED? • • • • • . 80VIII. WnAT IS NECESSARY IN TilE TRANS)IISSION EXPERIMENTS? 81IX. How SHOULD EXPERIMENTAL INSECTS DE HANDLED? 822028III. A GENERAL SURVEY OF TIlE NEEDS OF ENTOMOI,OGlCAL SANITATION INAMERICATilE INSANITARY F ARl!.1How TO IMPROVE FAml SANITATIONTilE INSANITARY TOWNHow TO IMPROVE SANITATION • • •SANITARY PROBLEMS OF CITIESF.N'I'OMOLOGICAL REQUIREMENTS OF l\1UNI,CIPAL SANITATIONINDI'STRIAL SANITATION • • • • • • • • • • • • •IV.A GENERAL SURVEY OF TilE SERIOUSNESS OF INSECT BORNE DISEASES TOARMIESV. RELATION OF INSECTS TO THE PARASITIC WORMS'OF VERTEBRATESMODE OF INFECTION OF INSECT HOSTS. • •II l\IODE OF INFECTION OF VERTEBRATE HOSTS.SPECIFS OF 'WORMS l!'OUND IN INSECTS. • •CESTODA OR TAPEWOlUIS. • • • • • • ••Dipylidium caninum (Linnmus. 11M!) Railliet. 1892Hymenolepis diminuta (Hudolphi. 1819) Blanchard. 1891IIymmolepis nana (Siebold. 1852) manehard, 1891 .Choanotmnia infundibulum (Bloch. 1779) Cohn, 1899Othl"r TapewormsTREMATODA OR FLUKES • • • • ~lX8-18586S888S9404148505152525S5S5-1.55565757