498 PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. 54. 



of same showing direction of trachea. 7.— Side view of posterior por- 

 tion of^ metathorax and base of abdomen to show position of first 

 abdominal spiracle. 8.— Side view of oedeagus. 9.— Side view of 

 posterior tarsus. 10.— Dorsal view- of male. 

 Author's illustrations. 



Pi-ate 65. 



Mengeoidea. Mengeidae. 

 Triozocerd mexicana collected at Cordoba, Vera Cruz, Mexico, by A. Fenyes. 

 Figs. 1-10. 1.— Dorsal view of male. 2.— Profile of eye. 3.— Structure of antenna 

 at junction of fourth and fifth joints. 4.— Mandible and maxilla. 



5- — Another view of maxilla. 6.— Dorso-lateral view of male. 7. 



Ventro-lateral view of metathorax, showing especially the form of 

 the episternum, the coxae, and trochanters. 8.— Portion of meta- 

 thorax, same view as 6, to show relations of scutum to adjoining 

 parts. 9.— Side view of posterior portions of metathorax and base 

 of abdomen, showing position of first abdominal spiracle. 10.— 

 Oedeagus. 

 Author's illustratious. 



Plate 66. 



MengenilUdae. 

 Figs. 1-4. Tetrozoccra santchii collected at Kairouau, Algeria, August, 1907, 

 by F. Santchi. 1.— Dorsal view of male, 2.— Ventral view of head 

 and thorax, showing portions of one leg of each pair. 3.— Lateral 

 view. 4.— Enlarged lateral view on opposite side of anterior 

 portions. 

 5. Austrostylops graciliiies, from Australia. Author's interpretation of 

 Lea's drawing. 

 6, 7. MengeniUa chobautii collected at Ain Sefra, Algeria, in 1896, by 

 A. Chobaut. Drawn from Hofeneder's original illustrations. 6. — 

 Dorsal view of head and thorax. 7. — Lateral view. 

 Author's illustrations. 



Plate 67. 



Sticliotrematoidea. Stichotrematidae. 

 Figs. 1-5. Stichoircma daUatorreanum collected in the Schouten Islands. 1.— 

 Dorsal view of first larva. 2.— Ventral view of first larva. 3.— 

 Side view of head and thorax of same. 4.— Mouth parts of a first 

 larva. 5rt.— Mouth parts of another individual. 5&.— Outline of 

 inner pieces of pharyngeal skeleton. 

 Author's illustration. 



Plate 68. 



Xenoidea. Callipharixemdae. 



Fig. 1. Chrysocorixenos siamensis from Chrysocoris grandis collected in Siam. 

 Cephalothorax of female. 

 2-7. Callipharizenos imdri from CalUpliara UlUardierei collected in Am- 

 boina by F. Muir. 2.— Cephalothorax of female. 3.— Ventrolateral 

 view of edge of cephalothorax showing spiracles. 4. — Triungulinid, 

 ventral view. 5.— Cluster of four ocelli seen from a ventrolateral 

 view of triunguilinid. 6.— Dorsal view of head of triungulinid 

 showing three pairs of the ocelli. 7.— Dorsal view of last four ab- 

 dominal segments of triungulinid. 

 Author's illustrations. 



