NO. 5 CURTIS BRITISH ENTOMOLOGY — BLACKWELDER 3 



Sherborn and Durrant estimate the dates of publication of the first 

 eight parts of the second edition. I have found nothing to change their 

 conclusions except that part i may have appeared in 1828 (see Zoo- 

 logical Journal, vol. 4, pp. 494-496, January-May 1829, in which com- 

 pletion of volume IV (in 1827) is noted). It seems best to adopt 

 January i, 1829, as the date of this part. These parts may be dated 

 as follows : 



It does not seem to be worth while to list all the changes that have 

 been found on each plate and page of text, but facsimiles have been 

 prepared of all the pages wherein nomenclatural changes occur, and 

 the other cases will be mentioned briefly in systematic rather than 

 numerical order. 



COLEOPTERA 



Cicindelidae. Genus Cicindela Linn. Plate i ( No. i of volume I of 

 the systematic arrangement; reprinted in 1829). Text enlarged to 

 four pages, with additional species mentioned. 



Carabidae. Genus Nehria Latr. Plate 6 (No. 6 of volume I of the 

 systematic arrangement; reprinted in 1830). Additions to plate; text 

 rewritten, with additional species mentioned. 



Carabidae. Genus Omaseus Ziegler. Plate 15 (No. 22 of volume I 

 of the systematic arrangement; reprinted in 1835), Additions to 

 plate; text rewritten and enlarged to four pages, with changes in the 

 generic synonymy, and additional species mentioned. 



[Dytiscidae. Acilius Leach. In the Zoological Journal, volume 3, 

 pages 139-140 (January 1827) appears the following in reference to 

 volume II : "An additional leaf is given in the last number for the 

 purpose of being substituted for that containing the description of 

 Acilius cinereus, the insect previously figured under this name being 

 in fact a new species, to which Mr. Curtis has found it necessary to 

 assign the name A. caliginosus." The date of this new sheet (letter- 



