THK M Vi;i.\l'ii|i.\ IN TlIK A I sTKA I.I.W MCSKU.M IIUOI.KMANN. 



83 



WMi'ts (if tilt' jiiH'ciMlniijf joint wlu'ii the lOrceps are closod ; of 

 tlu'se oi'^-ans the foi'iiici (the niw of fid^'i's) is ti'i'iiied llic 

 "harp," ami the hitter (tlie wart.s) is termed the " bow," as it^ 

 is admitted that they act as musical apparatus. 



Fig. \5.—Cy/!oso»ia guee»s!aiidi(F.—Co-KX of 2d p;^ir of ?, showing vulvre. 



v = ventral plate: ts = tracheal stalk- 

 Female org'ans composed of three plates of which two are 

 proximal, and one distal ; the latter pointed. Of the two 

 proximal plates the outer is larger than the inner ; its inner 

 margin is sinuate ; its upper margin is rounded and partly 

 overlaps the proximal margin of the distal plate. 



The female is provided with an anal steruite, an organ which 

 is not found developed in Glomeridae. It is as long as wide at 

 its base, in shape of a pointed arch (or ogive) and hairy along 

 its distal end. 



Lor. — Four males and three females from Gayndah, Queens- 

 land. 



The above described species could have been identified with 

 ('. targioin'i, Silv., from Cairns, had not the author verified the 

 existence on the last tergite of a very faint carina with a de- 

 pression on each side, nor described"and represented the process 

 of the second joint of copulatory organs as comparatively long 



