BOTH THE SEXES IN DIPTEEA. 385 



Fig. 52. Ovipositor of DoUchojms gnseipennis, Stann. 



53. Penis aud appendages of Catabomba pyrastri (Linn.). 



54. Forceps inferior of Syritta pipiens (Liun.). 



55. Forceps superior of S. pipiens. 



Plate 26. 



Fig. 56. Penis of Sp-itia pipiens, drawn diagranimatically to show the apodeme and ductus ejaculatorius 

 in the interior ; seen from the front. 



57. Side-view of the same part, and drawn in a similar manner to fig. 56. 



58. Penis of Eristalis tenax (Linn.). 



59. Forceps interior of E. tenax. 



60. Penis of Sarcophaga carnaria (Linu.). 

 6L Forceps inferior of S. carnaria. 



62. Penis of Pollenia rudis, Fabr. 



63. Extremities of the paraphalli in Glossina pa/pa/is, Des. 



6-1. Diagram of the opening of the ejaculatory duct, and showing the sac and apodeme, of Eristalis 

 tenax. 



65. Forceps inferior of Antliomyia radicum (Linn.). 



66. Laminae superiores from an undetermined Anthomyid from Maryborough, Queensland. 



67. Ejaculatory apodeme of Glossina palpalis. 



68. Penis and appendages of CalUphora erythrocephala, Meig. 



69. Diagram of the arrangement of apodemes, theca, and paraphalli of Glossina palpalis. 



70. Forceps superior of Anlhomyia radicum. 



71. Extremity of paraphallus of C. erythrocephala, to show the serrated edges characteristic of the 



structure. 



Plate 27. 



* 



Fig. 72. Double apodeme and ejaculatory apodeme of Glossina palpalis. 



73. The same of G. pallidipes, Aust. 



74. The same of G. morsitans, Westw. 



75. The same of G. tachinoides, Westw. 



76. Forceps inferior of G. palpalis. 



77. Forceps inferior of G. tachinoides. 



78. Penis of G. pallidipes. 



79. Forceps inferior of G. morsitans. 



80. Forceps inferior of G. pallidipes. 



81. Forceps inferior of Scutophaya litorea, Fall. 



82. Extremity of penis of G. morsitans. 



83. Forceps superior of S. litorea. 



84. Penis and appendages of G. tachinoides. 



85. Penis and appendages oi Anthomyid radicum. 



86. Fused palpi and forceps of G. tachinoides. 



87. LamiucE superiores of S. litorea. 



Plate 28. 



Fig. 88. Penis and append.ages of 5. litorea. 



89. Penis and appendages of Norellia spinimana, Fall. 



90. Ovipositor of N. spinimana. 



91. Forcipes inferiores and superiores of AT. spinimana. 



92. Forcipes inferiores of Sepsis cynipsea (Linn.). 



93. Forceps interior (?) of S cynipsea. 



