24 DESCRIPTIONS OF 



tertia apicern al.ne attingente. Abdomen thorace diniidio longius; 

 oviductus brevis exsertus deflexus. 



Species unica, agathilla fulvo-picta Westw. (Tab. 6, fig. 1 — 7). 



Fulvo-castanea melleo-variegata , facie sub antennas flava guttis 

 duabus nigris ad basin clypei , vertice inter antennas et ocellos 

 macula nigra; antennis nigricantibus basi et in medio rufescen- 

 tibus; thorace antice macula parva media, lateribusque ad basin 

 alarum posticarum nigris; scutello, postscutello parvo apiceque 

 metanoti flavis; margine postico segmentorum abdominalium flavis, 

 segmentis apicalibus fere omnino flavis; oviductu flavo valvis 

 lateralibus nigris ; alis melleis , versus apicem parum fuscescenlibus ; 

 stigmate fulvo, venis castaneis; pedibus castaneis tibiis posticis 

 apice fuscis, tarsis pallidioribus. 



Long. corp. lin. 6; expans. alar, antic, lin. 11. 



Habitat in Mexico apud Belen Barranca (D. Coffin). In mus. 

 Hopeiano Oxonian (olim nostro). 



PI. 6 flg. 4 represents a portion of one of the lobes of the 

 labium taken beyond the middle of the organ represented 

 in figure 3. It is a very remarkable structure, representing a 

 number of longitudinal and oblique muscular striolaî , an immense 

 number of minute booklets arranged in triple longitudinal series, 

 the inner edge with minute broad discs finely serrated on the 

 external margin. The apex of the labial lobe is represented at 

 fig. 5 , showing a vast number of minute flattened appendages , 

 gradually becoming more pointed to the tip of the organ. 



enus MYOSOMA Brulle. 

 (Brulle, Hist. nat. Hpnéuopt. vol. IV, p. 450). 



Species 1. Mi/osoma Jdrtipes Brulle 1. c. p. 451 (Amer, merid.) 

 » 2. » fuscipenne Brulle 1. c. (Brazil). 



» 3. » ruhriveutre Brulle 1. c. p. 452 (Biazil). 



» 4. » mutator Fabr. , Brulle 1. c. p. 453 (Nov. 



Hollandia). 



