LIST OF PLATES. 



PLATE 1. 



Fig. 1 — Tabanus Atratus. 



*' 2 — Tabanus Atratus, cephalic extremity. 



'' 3 — Tabanus Lineola, dorsal view. 



< <■ 4 — Tabanus Lineola, side view. 



' ' 5 — Sarcophaga Carnaria. 



" 6 — Hematobia Serrata. 



'' 7 — I-Musca Vomitoria. II-Musea Musca 



Domestiea. 



" 8 — Stomoxys Calcitrans. 



** 9 — Gastrophilus Equi. 



** 10 — Hematobia Serrata, egg shell. 



Inserted 



between pages 



\l and 19 



PLATE 2. 



Fig. 1 — Suctorial apparatus, Musca Domestiea. 



** 2 — Piercing apparatus, Stomoxys Calci 



trans. 



'* 3 — Pulex Serraticeps. 



<■ ' 4 — Trombidium Holosericium. 



" 5 — Dermanyssus Gallinae. 



' ' 6 — Cytodites Nudus. 



Inserted 



between pages 



32 and 33 



PLATE 3a. 



Fig. 1 — Symbiotes Communis var. Caprae, male. 

 " 2 — Symbiotes Communis var. Caprae, fe- 

 male. 



PLATE 3b. 



Fig. 3 — Sarcoptcs Scabcl var. Canis male. 

 * ' 4 — Sarcoptes Scabei vsvr. Canis, ovigerou'- 

 female. 



Inserted 



between pages 



52 and 5 3 



