134 INSKCUTOR INSCITI^ MSlNSTRUUS 



posed for Stomoxys sp. Giebel (1846), Palseozool., 378. From 

 the Tertiary, origin unknown. Characters point to possible 

 location in the Stomoxydtne to Plaxemyine series. 



Paleotachina gen. nov. smithii sp. nov. (fossil). — Proposed 

 for Echinomyia sp. Smith (1868), Qu. Jn. Sc. V, 183, f. 2. 

 From the Lower Oligocene of Baltic amber. The description 

 indicates one of the Larvsevorini or allied tribes. 



Palexorista gen. nov. (fossil). — Proposed for Tichina suc- 

 cini Giebel (1862), Wirb. Ins. Bernst., Zeits. Ges. Nat. XX, 

 319. From the Lower Oligocene of Baltic amber. The de- 

 scription rather indicates one of the true tachinids, but the 

 venation is of the sarcophagid type. The form may belong in 

 or near the Miltogrammini. 



Suicestrus cookii gen. et sp. nov. (maggot III only). — Pro- 

 posed for the material referred to in Insect Life III, 161-2, 

 being a single third-stage maggot of oestrid aspect, labeled 

 "4732, Cephenemyia on pigs, S. S. Cook, Parkersburg, W. 

 Va.," now in U. S. N. M. Coll. 



Mandibular sclerite of c. ph. skel. double, short, curved, 

 sharply pointed. Anal stigmata showing semicircular closely 

 approximated plates, each with six long slender strongly sinu- 

 ous slits closely crowded together and an inner submarginal 

 button, being somewhat like those of Stasisea. Body segments 

 each with about three or four rows of black spines on anterior 

 half or so, the spines being sharp, flattened, not very broad, 

 twice or more as long as basal width. There are also scattered 

 spines on posterior part of segments from middle of body back- 

 ward. Both the spines and their arrangement are thus much 

 as in Cephenemyia. Form of body elongate and subpyriform, 

 much like Dermatobia. Cephalic shield absent. 



Villeneuvia gen. nov. — Proposed for Lissoglossa taeniata 

 Villeneuve (1913), Bull. Mus. Hist. Nat. 1912, 506-7, pi. X. 

 Dififers from Lissoglossa by short head, normal front and 

 parafacialia, shortened antennae, head chaetotaxy, only gently 

 receding facial profile. Lissoglossa has the head much elon- 

 gated, the front very produced, parafacialia very widened 

 above, antennas long, face very receding. 



