78 
PROCEEDINGS OF SOCIETIES. 
PLATE 1.—VOL. III. 
ILLUSTRATIVE OF A PAPER BY A. H. HALIDAY, Esq., 
ON PULEX. 
Fig. 1. Dorsal half-ring of an abdominal segment of Pulex cams , 
with the spiracle. 
3 , 2. The mesothoracic spiracle of the same. 
Vide Proceedings of Societies, page 9. 
The remaining figures, of a Paper on Larva infesting the Horns of Oreas 
Canna, &c. 
Fig. 3. Horns of Oreas Canna, with Cocoons of Lepidopterous Larva. 
„ 4. Larva—natural size. 5. Magnified side view. 
„ 6. Skin of Larva stretched. 
„ 7. Prothoracic spiracle. 
„ 8. A Leg. 
„ 9. Hamuli of one of the abdominal prolegs. 
„ 10. Last segment from above. 11. Side view. 12. From 
beneath. 
„ 13. Head from above. 14. Same from beneath. 
„ 15. Mandible from outside and from within. 
„ 16. Labrum. 
„ 17. Maxillae and Labrum in position. 
„ 19. End of Maxilla and Palpus. 
„ 18. Labium from the side. 
„ 20. Antenna. 
Vide Proceedings of Societies, page 23. 
