90 PAPERS BY DR. B. CLEMENS. 



and the hind-wings with two discal nervules branching from 

 a common stalk. 



/. Acerifoliella. Ornix Acerifoliella, Fitch, Reports 1 

 and 2, p. 269.* Head reddish- 

 ochreous. General hue a fine me- 

 tallic green; fore-wings without 

 markings. 



I am indebted to the kindness 

 of Dr. Fitch for a specimen of this 

 insect. 



PLUTELLA, Schrank. 



P. mgilaciella.\ Head white, with fuscous before and 

 behind the eyes. Labial palpi white ; exterior of second 

 joint fuscous. Antennae ochreous, annulated with white, 

 especially towards the tips. Thorax white; tegulae dark 

 fuscous. Fore-wings white, streaked with ochreous, with a 

 dark ochreous streak at the base of the fold, margined on the 

 inner side with dark brown. The inner border, from near 

 the base to the tip of the wing, is closely dotted with dark 

 brown ; and on the costa, toward the tip, are a few dots of 

 the same hue, and in the middle of the wing an elongated 

 dark brown dot; cilia white and dark brown intermixed. 

 Hind- wings dark gray. Abdomen dark gray. 



P. limbipennella.\ Head pale ochreous. Labial palpi 

 whitish ; tuft dark brown. Antennae brown, .slightly annu- 



* Larva blotches the leaves of maple in August, and then cuts out cases 

 forming holes of a nearly circular form in the leaves. The perfect insect 

 appears in May (Fitch, 1. c.). H. T. S. 



f I received one specimen of this from Dr. Clemens ; it is our Porrectclla, 

 L. H. T. S. 



J I received two specimens of this from Dr. Clemens ; it is our Crucif 'era- 

 rum, Zell. Dr. Clemens has a pencil note in the copy of his paper he sent me 

 that it is the Cerostoma Brassicella ? Fitch, Nox. Ins. Report, i. 170 5. 

 Cruciferarum is truly cosmopolitan ; I have received it from all parts of the 

 globe. H. T. S. 



