652 



SEINOSUKE UCHIDA : 



segments IV — VIII sparsely present ; a fringe of fine hairs on the posterior 

 margin of the ventral surface of the last segment, instead of the six 

 long hairs of the male. 



In both sexes, a dense row of dark coloured teeth (Fig. 3) situated 



at the distal end of the crop, is 

 visible through the integruent of 

 the third or fourth abdominal 

 segment. This is the second case 

 known of the presence of gastric 

 teeth in the Mallophaga, the first 

 Fig. 3. Gastric teeth of Comatomenopon case having been rep0 rted by *Mr. 

 elongatum x 230. 



Cummings from Trimenopon echi- 

 nodcrmata taken from Cavia aperea. 



Measurements : 





# 









S 





mm 



mm. 



mm 



ram- 



mm. 



Length of body 



2.23 



2-«3 



2.18 



2.15 



2.14 



Width of body 



043 



O.45 



0.4S 



O.38 



0.38 



Length of head 



O.38 



O.37 



037 



0-35 



O.35 



Width of head 



O.43 



O.4I 



O.43 



0.42 



O.42 



Length of prothorax 



O.19 



O.18 



O.18 



0.19 



O.I9 



Width of prothorax 



O.29 



O.28 



0.29 



0.28 



O.28 



Length of metathorax 



0.24 



O.24 



O 24 



0.24 



O.24 



Width of metathorax 



O.36 



o-3S 



O.37 



°34 



O.33 



B. F. Cummings, Bui. Entom. Res. vol. IV, p. 40, 1913 



