398 J. Hall on Cryptonella, Centronella, Meristeila, 
the State Cabinet,’ page 102, the name OCryptonella, givin 
one of the characters “shell structure finely punctate.’ os 
marked in a concluding paragraph: 
“The species of this genus are more elongate than Verista and 
Meristella, and those now known are less distinctly marked by 
mesial fold and sinus; while the beak is more attenuate, often a 
ae flattened, and rarely so closely incurved as in the genera 
ted. e punctate structure of the shell is a distinguishing 
feature” 
+168) Fifteenth Report on the State Cabinet, I gave (at page 
set [13 1. 8) some illustrations of the muscular imprints, 
dental sli ete., with figures of a single additional species 
from the Lower Helderberg group.‘ 
* Made to the Legislature April 10th, 1861, and published in July, 1861. 
‘In the Canadian Naturalist and Geologist st for October, 1862, we find the fol- 
lowing iupaditen of the relations of the _— Cryptonetla 
“The genus Cryptonella, illustrated on pl. 3, p. 133, is precisely identical with 
ionella, described by me in the Canadian Journal of March, 1861, p- 148, - 
dian Journal (March, 1861), oe 0. Piss I, p a48 
enus CHARIONELLA. “Since the ies going arti cle on Devonian fossils was h 
ten, I have ascertained the sk charact ters of the so-called Aérypa or 2 yi 
er co 
species, the middle portion of the same plate is obs ners por emer 3 only 
small, thin, nearly vertical septa (socket a gory: ), one side of the cavity - 
the umbo. of the d 
oe i 
but are not so convex, and are besides more elongate ovate, or approach A 
bratula in general form. I shall give further details and some figures } the next | 
number of gad a is oe 
is only proposed as a sub-genus, to be retained in case grt a 
In the ; Canadian Journal, No, xxxm, p. 273, we have “ i Sie 
hieterting to the illustrations). ‘“ The first iiaré exhibits a specim 
gal valve partly removed, showing vis — spires. The other 
and i 
ete along the mi a 
— (=Meristella a Hall) | there is a well developed hinge plat ne 
which exte i § Goon f 
iz unm, 
: the mii ; In Charionella there is either no mesial septum, or one thi 
spe t 
to the margin near the front. 
parts. This I believe to be not a 
