TRÄGARGH, TWO MYRIOPODOPHILOUS ANTENNOPHORIN.E. 15 



which is to be found on a line witli coxie IV nearly as great 

 as the length. Posteriorly well rounded, almost semicirbu- 

 lar, anteriorly the sides gradually falling off to the rounded top. 



The dorsal side is protected by a single shield which covers 

 almost the nvhole surface and only in the two posterior thirds 

 of the body leaves unprotected a narrow strip of finely con- 

 centrically striated skin. 



No marginal plate. 



The dorsal shield bears very minute hyalin hairs, inserted 

 in rather large pores; besides these tliere are especially in the 

 posterior part of the shield numerous other pores. The un- 

 protected strip bears about 1 5 pairs of slightly curved stout 

 marginal bristles. 



Ventralside. (Fig. 24, Pl. I.) 



Tritosternum short, with broad basis, narrowing towards 

 the end, with feathered slips, twice as long as the tritosternum. 



The jugular shield single, rather broad, with thickened an- 

 terior and exteriör edges, which latter extend laterally beyond 

 the anterior angles of the sternal shield; posteriorly separated 

 from the sternal shield through a fine line, slightly curved back- 

 wards; provided with a single median pair of pointed bristles. 

 The sternal shield is distinctly demarcated from the ventri-anal 

 shield, nearly hexagonal with concave anterior margin. The 

 lateral, thickened edges extend backwards only to the middle 

 of coxse III, but in the centre the shield extends as far as to 

 the anterior margin of coxse IV and is deeply excavated to 

 recieve the genital shield, which on three sides is surrounded 

 by it. The shield is provided ivith the three usual pairs of 

 hairs of which the posterior one is modified into a sharply poin- 

 ted spine. 



The genital shield is broader than long, anteriorly and la- 

 terally rounded, posteriorly square. 



The ventral and anal shields are fused together to a large 

 ventri-anal shield, which covers the whole median part of the 

 belly, except for a narrow marginal band, which is finely con- 

 centrically striated. It is shaped as in Neomegistus but is 

 contrary to the case with N. , totally demarcated from the me- 

 tapodial shields and bears about 18 pairs of straight, sharply 

 pointed spines and on both sides of the anus two hairs. 



The anus is situated close to the posterior margin of the 

 ventri-anal shield. 



