140 PRONIN: Papilio multkaudatus biology Vol.9: nos.4-5
has chosen a spot on a branch, spun a silk mat and attached itself by a girdle around its body, it and the twig must be placed in another glass into which no new larvae are put. For just before their pupation, caterpillars are very uneasy, and can readily disturb those which are ready to pupate.
If we have the overwintering generation, the glass jars containing pupae should be covered with wire netting, to prevent the entrance of mice during the winter.
The caterpillars of P. multkaudatus can be found on other plants as well as on Choke-cherry. But in Shasta County in northern California the females lay their eggs only on the leaves of Choke-cherry. If you want the butterflies to become constant visitors in your garden, you must try to provide suitable conditions. Thus there should be a small bed with flowers of Tiger Lily, and Choke-cherry bushes.
I am greatly indebted to Dr. Ralph Hall and Mr. F. P. Keen for permission to use the facilities of the Hat Creek Forest Entomology Station, and to Hugh B. Leech, Associate Curator of Insects at the Calfornian Academy of Sciences, who helped to prepare this article for print.
516 Cole St., San Francisco 17, Calif., U. S. A.
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FIGURES OF TYPE SPECIMENS
At the meeting of the International Union of Biological Sciences held at Nice in August 1953, a type-figuring subsection of the Entomology Section was formed. The objective of the subsection is to make information on types of insects and other animals ar. readily available as possible, especially by distributing figures of the type specimens, to assist in research work and to have some information available in case types are accidentally destroyed.
The activities of the subsection are directed by a committee under the chairmanship of Mr. N. D. Riley, Keeper, Department of Entomology, British Museum (Natural History), London, S. W. 7. Other members of the committee are:
B. P. Beirne, I. F. B. Common, W. Forster. J. G. Franclemont, H. Inoue. A. J. T.
JANSE, O. LUNDBLAD, E. G. MUNROE, J. OlTICICA FOv J. F. G. CLARKE, R. N. ORFILA,
C. F. DOS PASSOS, R. SPARCK, and P. E. VlETTE.
The aims of the subsection are: to collect in a central file negatives of photographs of type specimens, or of photographs of drawings or other illustrations of type specimens or of their parts; to catalogue these and make lists available from time to time; to make and to distribute prints of the photographs for suitable fees to those requesting them;