624 
Proceedings of Royal Society of Edinburgh. 
123. 
A distinct band of smaller markings adjacent 
to border. Apiculi numerous, minute, inserted 
at inner edge of border, .... 
I No such band nor apiculi, .... 
f Markings towards centre 3 to 3|, near border 2, 
.j j in *01 mm. ; robust, central papillae prominent, 
’ 1 Markings towards centre 4, at semiradius 3, in 
L ‘01 mm. Border radius broad, striae coarse, 
( Central space bearing 2 large conspicuous round 
90. -j granules, . . . . . 
(No such granules, ...... 
{ Apiculi numerous, forming a double circlet; 
undulation about semiradius, slight, 
No such arrangement of apiculi, 
f Apiculi many in one circlet. Markings 24 in 
*01 mm. Border broad, hyaline, . 
jon I Apiculi large. Markings towards centre rounded 
* j 4|, outwards polygonal 6, in ‘01 mm. Border 
striae delicate, 
v No such apiculi and markings, .... 
C Distinct subulate spaces at origin of shorter rows, 
j Markings 7 in '01 mm., the fasciculi separated 
j by inconspicuous radial lines. Yalve large, . 
I No such distinct subulate spaces, 
[ Markings towards centre 4|, at semiradius 3|, in 
| ‘01 mm., thence decreasing outwards. Centre 
1 ^ 4 . j with one large irregular marking, . 
' ‘ Markings towards centre 5 or 6, at border 9, in 
‘01 mm. ; around central space rounded, else- 
. where often quadrilateral, .... 
f Fasciculi unequally curved, rows parallel to side 
j row of each. Markings rounded, granular 10, 
q, j in an indistinct band at border 15 to 16, in 
‘ j ‘01 mm. Apiculi interfasciculate, 
| Fasciculi not so curved. Rows parallel to central 
L row in each fasciculus, 
apiculus near 
circlet of minute 
133. 
135. -{ 
f A single prominent spine-like 
' border, outside of this a 
apiculi 
L No such apiculus, 
f Markings oval, with long axis radial or a little 
136. -J oblique. Border broad, strise coarse, 
^ No such markings, ...... 
, f Distinct radial interfasciculate rows, 
' * \ No radial interfasciculate rows, 
( Apiculi interfasciculate, robust ; a distinct zone 
! adjacent to border, 
j Markings sometimes subradial, decreasing out- 
L wards, . 
fEach adjacent pair of rows in each fasciculus 
| originating farther and farther from central 
139. \ row ; interspaces hyaline. Non-apiculate, 
j Markings subpearly, 4 in ‘01 mm. ; around border 
l a narrow clear space, ..... 
s / Central space absent or minute, 
‘ \ Central space present larger, .... 
138. 
blandus. 
130. 
borealis. 
suboculatus. 
bioculatus. 
131. 
capensis. 
132. 
hyalinus. 
tuberculatus. 
133. 
nobilis. 
134. 
ceginensis. 
Payeri. 
divisus. 
135. 
Jcryophilus. 
136. 
planiusculus. 
137. 
138. 
139. 
extravagans. 
Gregorii. 
fasciculatus. 
symmetricus. 
140. 
141. 
