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Volume 24, Number 4
233
tinental form is not so confined (Ford, 1945). This is a striking parallel within a single species to the difference reported by Remington.
All the genetic evidence presented by Remington suggests that gothica is only a minor high mountain ecotype of P. zelicaon and is not a good species in its own right. Unless evidence can be produced to show that the two forms are sexually isolated if they come together in nature (a matter that should not be difficult to study experimentally), then the use of gothica as a specific name should be discontinued. Its continued use will only confuse and not clarify the taxonomy of the machaon group. Although genetic evidence is valuable in taxonomy it must not be interpreted in a parochial way. Only if it is considered in the light of studies on other material from other lands will it be useful in clarifying taxonomic relationships. We fully agree with Remington's (1968) statement that the machaon group "is much too complicated for grand conclusions based on scanty breeding experiments or on specimen samples from a few distant, randomly-chosen localities."
Literature Cited
Clarke, C. A. and P. M. Sheppard. 1955. A preliminary report on the genetics of the machaon group of swallowtail butterflies. Evolution 9: 182-201.
---------- 1956. A further report on the genetics of the machaon group of swallowtail butterflies. Evolution 10: 66-73.
---------- 1963. Interactions between major genes and polygenes in the determination of mimetic patterns of Papilio dardanus. Evolution 17: 404-413.
----------1968. The genetics of the mimetic butterfly Papilio memnon L. Phil.
Trans. Roy. Soc. 254: 37-89. Ford, E. B. 1945. Butterflies. Collins, London. ----------1955a. Moths. Collins, London.
---------- 1955b. Polymorphism and taxonomy. Heredity 9: 255-264.
Haldane, J. B. S. 1922. Sex ratio and unisexual sterility in hybrid animals. J.
Genet. 12: 101-109. Remington, C. L. 1968. A new sibling Papilio from the Rocky Mountains, with
genetic and biological notes (Insecta, Lepidoptera). Postilla 119: 1-40. Sheppard, P. M. 1969. Evolutionary genetics of animal populations: the study of
natural populations. Proc. 12th Int. Cong. Cenet. 3: 261-279.
A NEW RECORD FOR NORTH AMERICA OF A SWALLOWTAIL BUTTERFLY
(PAPILIONIDAE)
While visiting with Mr. J. E. Lipes in El Salvador, I was privileged to examine some of the material collected by him. Among his material were three male specimens of Papilio (Graphium) philolaus Bsd. Mr. Lipes informed me that all three were taken in Texas. However, only one specimen had complete data, which are as follows: July 21, 1958, Padre Island, Port Isabel, Cameron County, Texas, leg. J. E. Lipes. The specimen is being donated to the Allyn Foundation collection, Sarasota, Florida.
Raymond J. Jae, 1286 South Umatilla Street, Denver, Colorado.