328 Annals Entomological Society of America [Vol. IV, 



CORRECTIONS TO MY PAPER IN THE JUNE (1911) ISSUE OF 

 THE ANNALS E. S. A. 



By Charles H. T. Townsend, 

 Piura, Peru. 



In a paper about to be published reviewing the results set forth in 

 Pantel's 1910 publication in La Cellule, I stated that the said results 

 were entirely unknown to me at the time of sending in the last proofs 

 and corrections, including the addenda, to my paper in the June (1911) 

 issue of the Annals of the Entomological Society of America. 

 Largely due to this fact but also in part to a regretable haste to present 

 as complete a statement of results to date as possible, I have com- 

 mitted several errors that must be corrected. Aside from certain 

 typographical errors which will be apparent, the following brief state- 

 ments will serve to cover the points in question: 



I should have stated that the spermathecae are "usually" three in 

 number. Pantel has shown that Chaetotachina rustica has only one 

 spcrmatheca, and Siphona (Pantel et al.) has only two. (Page 127.) 



The uterovagina is a vaginal tube which functions anteriorly as a 

 fertilizing but non-incubating uterus when the incubating uterus is 

 absent. It may be pointed out that fertilization is a true function of 

 the muscoid uterus, quite as much so as incubation. The eggs 

 must be held for a certain time to insure fertilization. (Page 127.) 



Phasia has no uterus and deposits flattened macrotype eggs on 

 host (Pantel). Alophora has likewise no uterus, but evidently deposits 

 its elongate eggs subeutaneously in host (Pantel). Each is the type of 

 a distinct tribe or group unit. (Page 128). 



Compsilura, Eueelatoria and allies have a separate piercer and 

 larvipositor in the female. Pantel has first properly described these 

 organs in Compsilura, and I have verified his results in Eueelatoria. 

 The larvipositor is a short subcorneal membranous tube approximated 

 to the upper base of the elongate curved piercer. The maggots arc 

 ejected through the larvipositor within the puncture in the skin of the 

 host made by the piercer. This is more fully explained in the paper 

 above mentioned reviewing Pantel's results, where are also given the 

 functions of the ventral carina of the female. (Pages 130, 140.) 



The Peruvian species which I referred to Tricholyga proves to be a 

 typical Euphorocera, truly congeneric with E. tachinomoides T. of the 

 Southwest. (E. claripennis of Coqt. is not a Euphorocera.) (Page 131.) 



It is probably a mistake to suppose the existence of a special mem- 

 branous anal pad for attachment of the maggots of the Hystriciinae to 



