PLATE XLVIII. 



Athysanus obsoletus. (Page 33.) 



Fig. 1. — Imago with the elytral nervures almost 

 obhterated. 



Fig. lb. — Pygofer of the male, with s, its styles, 

 c. c, collaterial glands (?), and twisted penis, exserted 

 under slight pressure, r. Horny ring. 



Fig. Ic. — Ovum showing the polar bodies at the 

 obtuse end, the germinal spot, and the food-yolk 

 globules. 



Fig. Id. — The other acute posterior extremity. 



Fig. 1 e. — The germinal spot under a high ampli- 

 fication. The commencing segmentation is obvious. 



Fig. 1 a. — Inferior aspect of the female pygofer, 

 showing, at g, the groove in which the serrated ovi- 

 positor lies when sheathed, p. The navicular plate, 

 m. Upper genital plate, n. Part of the horny ring for 

 the attachment of the muscles which work the saw. 

 r. Horny ring to the saw groove. 



Deltocephalus steiatus. (Page 50.) 



Fig. 2. Imago. The neuration is lost in the sub- 

 stance of the elytron. 



Fig. 2 a. — Elytron, with the nervures and limbus. 



Fig. 2 b. — Wing of the same insect. 



Fig. 2 c. — Tarsus of the fore foot. 



Fig. 2d. — Antenna. 



Fig. 2 e. — Dorsal view of the male pygofer and one 

 style. After Fieber. 



