JOURNAL OF ENTOMOLOGY AND ZOOLOGY 



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varying from one-third to nearly the full length of the l)ody. 

 The four spiracles are plainly seen near the mouth parts. 

 There may be several gland ojjenings near the stigmatic orifices. 

 Two rudimentary antenuse are present at the anterior end. 

 The i^ygidium is rather wide and regularly rounded. There are 

 no distinct lobes in the mature forms, though the margin may 

 be uneven. (Fig. 3, A). In some of the cast skins of the young 



Figure 3. Anatomical characters of Protodinspis agrifoVm. A, pygiiliimi of mature 

 female; B, pygidium of cast skin of an immature female; C, antenna 

 of young; D, outline of body of mature female. (Original). 



(the bodies could not be obtained) the pj-gidium is distinctly 

 lobed. (Fig. 3, B). There are two median lobes, two distinct 

 second ]oI)es and three other jirojections or rudimentary lobes. 

 In speaking of these Prof. Coleman writes, "I cannot think, 

 however, that it is P. parvula, as according to Cockerell's de- 

 scription of that species it is very small, about 0.5 mm., while 

 this is 0.75 mm. or more; also he says parvula has four very 

 low rounded lobes, wliile this has four — the middle of which are 

 broad and rather prominent — the first laterals are rather long, 



