266 "TERRA NOVA" EXPEDITION. 



OomphioceiAalus hodgsoni, Carpenter. 



Lateral view of insect, x 75. 



Dorsal view. s. A sensory hair, x 75. 



Ocelli and post-antennal organ (pa) of left side. X 470. 



Extremity of left feeler, dorsal-lateral aspect. ra. Retractile sense-organ at tip of fourth 



segment ; an, sensory spines on third segment, x 470. 

 Tip of fourth antennal segment, ventral aspect, ra. Retractile sense-organ. X 470. 

 Edge of third antennal segment, dorsal aspect, showing sinuous ridge with sensory spines, x 470. 

 Right mandible, ventral view, m, Molar area ; c, condyle. X 300. 

 Left maxilla, right maxillula (M) and tongue (T), dorsal view, ca, Cardo of maxilla ; g, galea ; 



la, lacinia ; p, palp ; pe, foot of tongue ; st, stipes. X 300. 

 Head of maxillary lacinia, ventral view, x 470. 

 Fore foot, showing claw and two tenent hairs. X 300. 

 Hind leg, showing claw and three tenent hairs. X 300. 



Catch (B) and spring {ma, manubrium ; d, dens and mucro), ventral view, x 300. 

 Spring, lateral view, ma, manubrium ; d, dens and mucro. X 300. 

 Ventral aspect of fifth and sixth abdominal segments, gn, Genital aperture ; a, anus. X 300. 



