202 ME, F. E, BEDDAED ON THE STEUOTURE [Mar. 5, 



The 2)enial setce are illustrated by the accompanying drawing (text- 

 fig. 57) ; the distal end of each seta is but faintly ornamented with 

 a few transverse ridges. 



Text-fig. 57. 



TypJioeus incommodus, penial seta, greatly magnified. 



The spermatliecce are large globular sacs. The diverticula form 

 a complete frill of small sacs round the duct of the spermatheca. 



Typhoeus masoni Bourne. 



Typhoeus masoni A. G. Bourne, J. A. S. B. Iviii. p. 112. 



Prof. Bourne examined and reported upon a single individual 

 only of this species from Dehra Dun. I have acquired a second 

 specimen, also fully mature, from the same locality and beg to 

 offer a few notes thereon. My specimen measures 146 mm. in 

 length. Beyond observing that the anterior segments are bi- to 

 quadr-annulate, the description of the species gives no details of 

 the annnlation of these segments. As this matter appears to be 

 of specific value, I give a detailed account of the annulation in 

 elucidation of the accompanying woodcut (text-fig. 58). The first 

 segment is simple ; the second is fairly annulate^ the third and 

 fourth very decidedly so. In both of them the setse are implanted 

 upon the first of the two annuli. The fifth ring is primarily bi- 

 annulate, but each annulus is again subdivided. The next segment 

 is divided into three marked annuli, of which the middle one bears 



