36 
Psyche 
[March 
Scudder 2 in which one pair of wings is yellow and the other 
black. He describes this as a hermaphrodite — really a 
gynandromorph — while the specimen from Allenton is a 
normal female with the normal female coloration of both 
forms and with her abdomen distended with eggs. 
Knowing nothing of its antecedents, it is idle to speculate 
as to the genetic status of this specimen. It probably rep- 
resents a case of imperfect dominance, but whether this 
appeared as a mutation is, of course, impossible to say. 
There is a valuable problem for geneticists. 
DENDROIDES CANADENSIS LATREILLE — 
SYNONYMY 
By H. S. Barber 
U. S. National Museum, Washington, D. C. 
Those rejecting the adoption in LeConte 1855 of Den- 
droides canadensis Latreille 1810 with bicolor Newman 
1837 in synonymy as the proper name of our commonest 
Pyrochroid beetle probably did not realize that Latreille’s 
designation (p. 430) of the type species for his monobasic 
genus erected in the same work (p. 212) connected his new 
specific name, canadensis , with the diagnosis, thereby mak- 
ing LeConte’s use of the name the only proper choice under 
the International Code of Nomenclature. The misstate- 
ments in Lacordaire 1859 evidently led to the synonymy 
wrongly adopted in Gemminger and Harold 1870, this 
synonymy being followed by European workers and ac- 
cepted in Leng 1920. The current synonymy should be 
reversed and we should go back to the usage reflected in 
the catalogues by Melsheimer 1853, LeConte 1866, Crotch 
1874, and Henshaw 1885, as well as in numerous more 
local lists prior to 1920. In the admirably brief but im- 
portant statement by Miss Payne 1931, recording her six 
years’ observations on larvae which could not pupate except 
as stimulated by a particular food, her use of the name 
Scudder, S. H. The Butterflies of the Eastern United States. 
