153 



Dr. A. Jefferis Turner's Observations on 



fimctionless, being short and not articulating with a 

 retinaculum. Miacora agrees in neuration with Cossus, 

 but has occasionally, not always, an oblique bar from 

 near the end of cell to vein 8 imperfectly developed; it 

 is doubtfully distinct. Eremocossus, Hmps., has very 



Fig. 4. — Eremocossus foedus, Swinh. 



similar neuration. I take the opportunity of figuring an 

 abnormal hind-wing of Eremocossus foedus $ in w r hich two 

 of the missing radial veins appear to be developed, one 

 (a) running from the cell into 8, the other (b) running 

 from the stalk of 6 and 7, quite distinct but ending in 



Fig. 5.— Xystus robiniae, Bdv. 



Fig. 6. — Hdlocerus nob His, Stgr. 



disc without reaching margin. On the other side of the 

 same example and in both wings of a $ these extra veins 

 are wanting. To the Nearctic genus Xystus, which is a 

 member of this group possessing well-formed but rather 

 small tibial spurs and moderate palpi, this vein (a) is 

 constantly developed in the hind-wing. Except for this 



