MOLI^USCOIDA. 
251 
MOLLTJSCOIDA* 
BY 
J. Reay Greene, B.A. 
Alder, J. Descriptions of new British Polyzoa, with remarks 
on some imperfectly known species. Quart. Journ. Micr. 
Sci. vol. iv. n. s., 1864 (pp. 95-109, with four plates). An 
abstract of this paper is given in Brit. Assoc. Bep. — 1863. 
Macdonald, J. D. On the Representative Relationships of 
the Fixed and Free Tunicata, regarded as two subclasses 
of equivalent value ; with some general remarks on their 
Morphology. Trans. Roy. Soc. Edinb. vol. xxiii. part 2 
(pp. 171-183, with a plate). 
Macdonald, J. D. On the Morphological Relationships of the 
Molluscoida and Ccelenteratay and of their leading members, 
inter se. Trans. Roy. Soc. Edinb. vol. xxiii. part 3 (pp. 
515-521, with a woodcut). 
Norman, A. M. On undescribed British Hydrozoa, Actinozoa, 
and Polyzoa. Ann. & Mag. Nat. Hist. vol. xiii. ser. 3, 
1864, January (pp. 82-90, with three plates). 
‘Valenciennes, A. Observations sur les animaux marins qui 
s’attachent aux vaisseaux.' Compt. Rend, tome lix. No. 2, 
1864 (pp. 61-64). 
Grube, a. E. Die Insel Lussin und ihre ' Meeresfauna. 
Breslau, 1864, 8vo (pp. 50-68). 
Stimpson, W. Descriptions of new species of Marine Inverte- 
hrata from Puget Sound, collected by the naturalists of the 
North-west Boundary Commission, &c. Proc. Phil. Acad. 
No. 3, 1864 (pp. 153-161). 
(Published in advance of the Zoological Report of the 
Boundary Commission,^^ in which drawings of the species will 
be given). 
J. D. Macdonald is of opinion that the Molluscoida and 
Codenterata together form an unbroken series of animals, to be 
* The literature of the Brachioyoda has been noticed in the Record on 
'Mollusca, by Dr. von Martens. 
