616 
Proceedings of Royal Society of Edinburgh. [sess. 
f A distinct elevated ring at § of radius from 
12.-! centre. Apiculi minute, . . . 
( No such ring, 
f Around centre three or more large lanceolate dark 
I distant spaces, sometimes meeting at centre to 
form a stellette. Marking towards centre 6, 
59-1 border 8 to 9 in *01 mm., . 
I Around centre, five or six large areolse. Mark- 
ings 16 to 20 in '01 mm., .... 
LNo such markings, ...... 
( An apiculus at middle of outer ends of each 
60. -! fasciculus ; no octagonal figure, 
(Appearance otherwise, 
f An apiculus at middle of outer ends of each 
j fasciculus. Surface with an octagonal figure. 
61. -{ Apiculi placed at the angles of the octagon, . 
| Apiculi not confined to middle of outer ends of 
L fasciculi, . . . 
f Apiculi many upon and between the fasciculi. 
Markings 15 to 16 in *01 mm., 
| Apiculi absent or minute, the rows in the 
62. «{ fasciculi converging towards border, about 6 in 
each fasciculus at border. Markings 8 in 
•01 mm., decreasing a little outwards, . 
..Apiculi interfasciculate, ..... 
f Apiculi 3 to 5, spine-like, inserted some distance 
from border. Markings towards centre 4| to 
5, towards border 6 ; rows in each fasciculus 
parallel to central row, ..... 
Apiculi distinct. Markings cestodiscoid, angular, 
8 in '01 mm., on a broad band at border 
63. ■{ punctiform 10 in "01 mm. ; rows fasciculate, 
those in each fasciculus parallel to central 
row, ........ 
Apiculi minute. A narrow hyaline band around 
central area. Markings 6 to 7 in *01 mm., 
rows sub parallel, ...... 
Appearance otherwise, . . . . . 
f Fasciculi evident only beyond semiradius, 
j Markings 6 in '01 mm. Border with crowded 
J oblique decussating rows, non-apiculate, 
‘ j At border a circlet of small round clear spaces, 
j non-apiculate, 
LNo such markings and spaces, .... 
f Rows in each fasciculus parallel to central row, . 
| Rows in each fasciculus parallel to corresponding 
65. -j side rows, 
| Nine asymmetrical prominent rows from centre 
L to border ; intervening rows subradial, . 
( A single minute apiculus close to border. Mark- 
ings towards centre 6, at border 8, in ’01 mm., 
No such apiculus, ..... 
gg / Prominent interfasciculate radial rows, 
' L No such rows present, . 
whampoensis. 
59. 
symbolophorus . 
stellaris. 
60. 
Rothii. 
61. 
angulatus . 
62. 
poly acanthus. 
Normani. 
63. 
echinaius. 
pusillus. 
odontodiscus. 
64. 
Kutzingii . 
Grunowii. 
65. 
66 . 
67. 
barbadensis. 
lentiginosus. 
68 . 
69. 
70. 
