RECK XT F.XTO.\rOI.OGICAJ. /, ITKRA lURR. 
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RKCKN r EX roMOLOGICAL I.n'KR.VlTRK 
I LI.USTUATIOXS OF DiURNAL LeI'IDOI'TKRA WITH 1 ) KSCR li’TI ONS : bv Aiulrcw CniV 
Weeks, Jr. 'I'he University Press, Cambridge, 1905. 
I bis volume is perhaps the mo.st important addition to tlie literature of 
•South .\merican Lepidoptera of recent vears. ISeginning with a handsome steel 
engraving of Dr. Samuel H. Scudder, there follow descriptions of 8 1 hitherto 
undescribed or figured species of Diurnals collected in Bolivia in 1898-9 by Mr. 
Wm. [. Gerhard who headed an e.\pedition to thi§ une.x]dored region, the e.xpen.se 
of which was borne by the author. 
.\bout 20 pages are devoted to an interesting account of this trip, illustrated 
by numerous half-tone plates of scenes in that far-off country. 
Too much praise cannot be bestowed upon the 45 lithographic plates of the 
butterflies described. Nothing finer has been produced and it would seem that 
perfection in this line had at last been reached. The original water-color 
sketches were by J. Henry Blake, the well-known artist. Both the upper and 
under surfaces are shown and for minuteness of detail and faithfulness of repro- 
duction the figures are all that can be desired. 
Mr. Weeks deserves great credit for giving to the world the result of his 
labors in such a beautiful volume and it is a pity that all otherscan not follow 
his e.xample by publishing plates with new descriptions. 
II. H. N. 
