80 
ATLAS DER DIATOMACEEN-KUNDE. 
A. Ehrenhergii jedocli mit 6 halbkugelformigen Erliohungen— * 
Eine ahnliche form mit 8 halbkugelformigen Erhohuiigen hat 
Brightwell im Lond Mikr Journal, Vol. viii., pi. v. fig. 13, als A. 
Kittoni, beschrieben und abgebildet.” (Mr. Brightwell’s figure 
was afterwards found to be taken from a very thin four-rayed 
frustule, the processes of the under valve being nearly in focus 
with those of the upper.) The synonymy of this species is as 
follows: — Aulacodiscus Kittoni, Arnott = A. Icevis, Brightwell. 
This name he deleted in the following number of the Journal. 
Vol. viii., page 139, and adopted Dr. Arnott’s) = A. Ehren- 
hergii, Janisch = A. Brightwellii, Janisch. A. Kittoni var a = A. 
Africanus, Cottam (?) A. Kittoni var. (3. = A. Johnsoni, Arnott. 
Plate 38, Part x., contains the following figures (24) of Asterom- 
phalus : — 
Asteromphalus elegans, Ealfs. 
„ arachne, Bieb. 
„ Ralfsianus, Naman & Grunow. 
„ Jlabellatus, Bieb. 
„ Cleveanus Grunow) = A. Wallichianus, 
Cleve nec Grev.) 
„ Roperianus, Grev. 
„ Darwiniiy Ehr. 
,, Shadholdtianus, Grev. 
„ Humholdtii, Ehr. 
„ Brookei, Bailey. 
„ Moronensis, Grev. 
A, Cleveanus is an oval form not at all resembling A. Walli- 
chianus, Grev. Cleve describes it as finely punctate, but the 
markings ai-e not shewn in Schmidt’s figure. 
Plates 39 and 40 are occupied with figures (74) of various 
species of Amphora ; the most beautiful of these is, perhaps, A. 
rhomhica, Kitton, most correctly delineated. 
Since writing the above, I have received a letter from Professor 
H. L. Smith (no mean authority on the Diatomace^e) in reply to 
one of mine on the African Aulacodiscus (^A. africanus), in which 
I stated my conviction of that form being merely a var. of A. 
Kittoni. He says, “ I quite agree with you about Aulaco-discus.” 
F. Kitton, Hon. F.E.M.S., Norwich. 
CRYPTOGAMIC SOCIETY OF SCOTLAND. 
This society, at the last moment, resolved upon holding its 
second annual meeting at Killin, instead of Kelso, during the 
same week as the Hereford meeting. Under these circumstances, 
therefore, it could hardly be expected that English Mycologists 
would be found crossing the border as last year, and, as the report 
of the proceedings intimates, it was a “quiet” meeting, with 
small pretentions, and no very prominent results. 
