182 PROCEEDINGS COTTESWOLD CLUB 1908 
measurements of the only specimen found up to the pre- 
sent are: height, 15.5 mm.; diameter, 25.5 mm.; length, 
26mm. The dimensions of a small typical Codlyretes 
ovalis of nearly the same height (15 mm.) were found to 
be :—diameter, 20.5 mm.; length, 22 mm. 
GALEROPYGUS AGARICIFORMIS (Wright), var. CONI- 
CUS, var. nov. 
T.l. Holway Hill, near Sherborne. 
ff. Aalenian. 
y. ¢? Murchisone. 
Colin. J. W. Tutcher. 
This includes Wright’s Galeropygus agariciformis, var. 
y-, and is taken to comprise all the forms of Galeropygus 
agarictformis in which the ratio 72", is greater than 3. 
It has been found in Dorset by Mr J. W. Tutcher, who 
obtained a specimen from beds of probably AZurchzsone 
hemera at Holway, near Sherborne. 
HEMIPEDINA PERFORATA, Wright, var. PISOLITICA, 
var. nov. 
Tl. Crickley Hill, near Cheltenham. 
HT. Pea-Grit, Aalenian. 
y. Murchisone. 
Colin. LL. Richardson. 
This variety of Aemzpedina perforata possesses se- 
condary tubercles in the inter-ambulacra, between the two 
rows of primary tubercles, while in emzpedina perforata 
there are only granules. These secondary tubercles are 
about one-third of the size of the primaries, and are 
most in evidence about the ambitus. There are four or 
five in each inter-ambulacrum. 
HOLECTYPUS DEPRESSUS (Leske), var. CONICUS, 
var. NOV. 
T.l. Harford, near Notgrove, Glos. 
HT. Clypeus-Grit, Bathonian. 
y. Truellet or inter-Truellet-zigzag. 
Colin. E. 1. Paris: 
