1909] FROST — COLEOPTERA 67 
probable error of 0.033. The correlation is only about half its probable error and 
consequently no significance at all can be attached to it. Clearly, therefore, there is 
no modification of the width of the band dependent upon the size of the twig upon which 
it is formed. 
Of course this conclusion applies only to the present series of data; further 
measurements might yield different results. Dr. von Schrenk’s series of measure- 
ments somewhat exceeds 400, however, and this may be regarded as a fairly satis- 
factory number for the solution of the second of the two problems. ‘The first still 
remains for solution and collections of data towards this end ought to be made. 
COLEOPTERA TAKEN AT FRAMINGHAM, MASS. 
CG. AW FRost: 
Tue following species of Coleoptera have been taken during the past four seasons 
in this locality and some of them at least have never been recorded from New England. 
Cicindela purpurea, var. audubonii, Lec. One 2 specimen, Sept. 4, 1904. This 
has been recorded once before in Psycue, but it has recently been critically examined 
and compared with western audubonit by Mr. Edw. D. Harris who considers its 
capture in Mass. remarkable. 
Elaphrus cicatricosus, Lec. One specimen, May 10, 1907, taken near a small 
brook when this was flooded by water from a cranberry bog. (One specmen of this 
species was taken at Monmouth, Maine, on lake shore during June, 1906.) 
Elaphrus clairvillei, Kirby. Four specimens taken in the muddy bed of a 
dried up brook, Sept. 6, 1907. 
Lachnocrepis parallelus, Say, and. Anatrichis minuta, Dej. Mr. Frederick 
Blanchard, who identified them, writes me that he has one specimen of the former 
from Lowell, Mass., and a single specimen of the latter from Florida. 
Acilius fraternus, Harr. Four specimens; Acilius semisulcatus, Aubé being the 
common species here. One specimen of A. mediatus, Say has been taken, Aug. 25, 
1907. 
Limonius stigma, Hbst. Two specimens, June 8, 1907, and May 27, 1908. 
Agrilus blanchardi, Horn. One specimen, July 27, 1907. Probably this species 
is mixed with A. anxius, Gory in collections. 
