74 General Notes. [Janua 
one of the publications of the Geological and Natural ge 
Survey of Canada, is a publication of much p t 
doubtless the forerunner of a flora of Canada, which has l 
been needed. It includes 997 species, although extending n 
further than the end of the Polypetalæ. The Catalogue of the 
Plants of Worcester county, Mass., by Professor Joseph Jack 
published by the Worcester Natural History Society, 1s credita- 
ble both to the author and the society which furnished the means 
for its publication. It contains 812 species and well-mar 
eties, distributed among 387 genera. Why do not more ® 
societies undertake the publication of such lists PE 
Bulletins of the U. S. Fish Commission we have a list of . 
and aquatic plants of the U. S., many of which are suita 
carp ponds, by L. F. Ward. It includes flowering plants oniy. 
ENTOMOLOGY.’ 
Tue Genus Cortas.—As “Contributions from the m 
Transcontinental Survey,” Dr. H. A. Hagen has sent us fe 
Proceedings of the Boston Society of Natural History, Vol. 
the publications on the subject both here and abroad, and 
critically study large sets of specimens wherever such were py | 
l e reduces the number of species (exclusive of eW, 
and c@sonia) to nine, as follows: 
1. Colias chrysotheme = keewaydin, with seasonal forms ariadne and eurythemes 
2. C. philodice, with seasonal form mimicking ariadne, and with north- 
forms eriphyle and chrysomelas. : : 
i 1 and 2 are so nearly related to each other that obviously relia 
_ ferences are still a want,” p. 152.) ws 
3. C. interior, synonyms edwardsii with emelia and astrea, —— wua 
pelidne Boisd., is united with C. palæno, unless the type should provë s 
tity with C. interior.) id 
4. C. paleno with var. pelidne Boisd., Staud, and chippewa. 
Si. Cu mead, 
6. C. behrit, 
7. C. nastes. - 
8. C. hecla. 
9. C. boothii. ; 
Nos. 5 to g are simply enumerated, as little or no material | 
1 This department is edited by Pror. C. V, Rtrey, Washington, D. C., t° ™ 
communications, books for notice, etc., should be sent. 
