135 
Recently Professor Bergh has described six new species 
from material gathered by Miss Lodder in Tasmania. 
As Angas was unacquainted with the work of his pre- 
decessors, and as Abraham did not know the species of Angas, 
the revision here commenced requires to be continued. 
In concluding this brief sketch we wish to draw attention 
to the valuable assistance rendered by Dr. J. C. Verco, in 
allowing one of us to accompany him on his marine dredging 
excursion, and thus affording an opportunity of observing 
and sketching the forms collected in their natural state, a 
factor of extreme importance in the systematic study of these 
perishable beings. 
CENSUS OF THE DESCRIBED SPECIES OF AUSTRALIA. 
NUDIBRANCHIATA.^ 
NUDIBRANCHIATA ClADOHEPATICA. 
FAMILY AEOLIDIADAE. 
Genus Aeolidiella, Bergh, 1874:. 
Aeolidiella FAUSTINA, Bergh. 
A. faustma, Bergh, Zool. Jahrb. xiii. (3), 1900, p. 235- 
236, PI. XX., f. 39-40. Id., Reis. in Arch, der Phil., vi., 
1904, p. 2, PL i., f. 27-31. 
Hab. — Ulverstone, Tasmania (Miss Lodder). 
Genus Coryphella, Gray, 1850. 
CORYPHELLA FOULISI, AugaS. 
Aeolis fonlisi, Angas, Journ. de Conch, xii., 1864, p. 64, 
PL vi., f. 3. Coryphella foulisi, Bergh, Reis. im Arch, der 
Phil, ii (2), 1892, p. 1029. 
Hah. — Sydney Harbour (Angas). 
Coryphella ( ?) cacaotica, Stimpson. 
Aeolis cacaotica, Stimpson, Proc. Acad. N. Sci. Philad 
vii., 1856, p. 388. Id., Bergh, Reis. im Arch, der Phil. ii. 
(2), 1878, p. xii. 
Hah. — Sydney Harbour (Stimpson). 
Ohs. — This name perhaps refers to a species of Angas. 
Coryphella macleayi, Angas. 
Aeolis macleayi, Angas, Journ. de Conch, xii., 1864, p. 
65, PL vi., f. 4. C. macleayi, Bergh, Reis. im Arch, der 
PhiL ii. (2), 1878, p. xvi. 
Hah. — -Sydney Harbour (Angas). 
* In the following list the sequence of the species is based on 
the classification proposed by Dr. Bergh in Semper' s Reisen im 
Archipel der Philippinen. 
