hunter; the coccid.'E of Kansas. 
15 
There is a spine on or near the lateral margin of the lobe, one 
between the first and second incisions, one laterad the second in- 
cision; the fourth spine is as far from the third as the third is from 
the median lobe. There is a small spine at a distance from the 
penultimate segment equal to distance between the second and 
third spines. On ventral margin of penultimate, and on each of 
the two segments cephalad, there are a pair of small spines. The 
rest of the body bears a spine on the ventral margin at somewhat 
irregular intervals. 
Plates prominent, not quite as long as the spine, two caudad 
first incision, one or both forked, one forked plate caudad second 
incision and two plates, generally simple, between the incisions. 
Several rudimentary plates laterad second incision. 
From eleven satisfactory mounts and many scales of both sexes. 
On Sa/ix nigra Marshall. Douglas Co. 
This species belongs to the subgenus Epidiaspis Ckll. MS., the 
type of which is D. piricola Del Guercio. The number of glands 
in the median group of snowii are less than in piricola. The glands 
of all groups are much less in number than in D. pyri Colv^e. A 
distinction of moment is the extreme posterior position of anal 
orifice as in Diaspidioius. This orifice is well cephalad upon the 
last segment in piricola, being located between the caudo-lateral 
groups of glands. The median lobes of this species show distinct 
notch about midway upon lateral margin, piricola is entire.* 
It is highly fitting that this interesting representative of a 
European group, the first Coccid to be described from this labora- 
tory, be dedicated to Chancellor F. H. Snow, whose persistent and 
untiring labors in the field of Natural History are largely responsi- 
ble for the present status of biology in the University of Kansas. 
My sincere gratitude is due Professor Theo. D. A. Cockerell for 
material encouragement and valuable suggestions kindly offered in 
the pursuit of these studies. I wish to express my appreciation of 
the assistance of Mr. P. A. Glenn, a student of this department 
last year, in the acquisition of the material here studied, and to 
acknowledge the earnest and careful work of Miss Ella Weeks in 
her part of the delineations accompanying this article. 
T^se genus Lecaninm is now under consideration and it is expected 
that a discussion of the Kansas forms will appear in a later number 
of the Kansas University Quarterly. 
*l'or comparison boiweeii D. pirivdtla and l>. pyri, see Bull. Plv. Knt-. Tec. Sev., No. (>. 
p. 4, Cockerell, 
