LIST OF TEXT FIGURES xxiii 



FIGUBE PAGE 



54. PrPA OF Acdes argenteus, the Yellow Fever Mosquito. Greatly enlarged. 



(After Howard, Dyar, and Kxab) 272 



55. Types of Mosquito Mouth Parts: a. Short palpus form; h, long palpus form 



(Greene) 273 



56. Adult Culex sollicitans. Much enlarged. (Howard) 273 



57. The Yellow Fever Mosquito Acdes argenteus: Adult Female. Much enlarged. 



(Howard) 273 



58. A I\Ial.\rial Mosqvito, Anopheles (jiiadrimaculatus: Male at Left and Female 



at Right. Greatly enlarged. (Howard) 27-1 



59. Submersible Automatic Bubbler for Distributing Oil Over Sirface of 



Water. (Ebert) 281 



60. Method of Petroli/ation with Oil-Soaked Sawdust. (Ebert) 281 



61. Wristlet Method Used for Breeding Lice. (Hutchison, Photo by Dovexer) 303 



62. Chart Illustrating the Life Cycle of Trypanosoma lewisi. (Pierce) .... 353 



63. Chart Illustrating the Life Cycle of the Dog Tape Worm, Dipylidium cani- 



num. (Pierce) 350 



6-1. Larva of the European Rat Flea, Ceratophyllus fasciatus. Greatly enlarged. 



(BiSHOPp) 301 



65. The Dog Flea, Ctenocephalus canis: a. Egg; b, larva in coeoon; c, pupa; (/, adult; 



e, mouth parts of same from side;/, antenna; g, labium from below, h, c, d, much 

 enlarged; a, e,/, gr, more enlarged. (From Howard) 362 



66. The Hum.\n Fi^ea, PidexirrUans: Adult Female. Greatly enlarged. (Bishopp) 362 



67. The Huivl-vn Flea, Pulex irritans: Adult Male, (ireatly enlarged. (Bishopp) 363 



68. The European Rat Flea, Ceratophyllus fasciatus: Adult Female. Greatly 



enlarged. (Bishopp) 364 



69. The Sticktight Flea, Echidnophaga gallinacca: Adult Female. Greatly en- 



larged. (Bishopp) 305 



70. Head of Rooster Infested with the Sticktight Flea, Echidnophaga gallinacea. 



Somewhat reduced. (Bishopp) 366 



71. The Oriental Roach, Blatfa oiientalis: a. Female; b, male; c, side view of female; 



d, half-grown specimen. All natural size. (Marlatt) 377 



72. The German Roach, Blattclla gcrmanica: a. First stage; h, second stage; c, third 



stage; d, fourth stage; e, adult;/, adult female with egg case; g, egg case, enlarged; 



h, adult with wings spread. All natural size except g. (From Riley) 378 



73. The American Roach, Periplanefa americana: a. View from above; b, from be- 



neath. Enlarged one-third. (Marlatt) 379 



74. Bedbug: Egg and Newly Hatched Larva: a. Larva from below; b, larva 



from above; c, claw; d, egg; e, hair or spine of larva. Greatly enlarged, natural size 



of larva and egg indicated by hair lines. (Marlatt) 396 



75. Bedbug: a. Larval skin shed at first molt; b, second larval stage immediately after 



emerging from a; c, same after first meal, distended with blood. Greatly enlarged. 

 (Marlatt) 396 



76. Bedbug: Adult Before Engorgement. Much enlarged. (Marlatt) .... 397 



77. Bedbug, Cimex lectularius: a. Adult female, engorged with blood; b, same from below; 



c, rudimentary wing pad; d, mouth parts, a, b, much enlarged; c, d, highly magni- 

 fied. (Marlatt) .' ... 397 



78. Chart of Life Cycle of Babesia canis, the Cause of Canine Malignant Jaun- 



dice. (Pierce) 416 



79. Life Cycle of Hasmogregarina canis, the Cause of Canine Anemia. (Pierce) . 421 



80. Tick Life Cycle, Type I. (After Nuttall) 423 



81. Tick Life Cycle, Type II. (After Nuttall) 423 



82. Tick Life Cycle, Type III. (After Nuttall) 425 



83. Tick Life Cycle, Type IV. (After Nuttall) 425 



84. Tick Life Cycle, Type V. (After Nuttall) 420 



85. Tick Life Cycle, Type VI. (Pierce) 426 



86. The Rocky Mountain Spotted Fever Tick, i>t'/-;Har<';/('or a/(f/(T.voHi. (Bishopp) . 437. 



87. Model Chicken Roost. (Bishopp) 446 



88. A Centipede, Scolopendra morsitans. (Bradb'ord) 465 



