116 Scientific Intelligence. 
The Editors of this Journal, or Prof. Gray of Cambridge, will glad 
receive collections of Sponges and Spongillas made in this country, a 
forward them to Mr. Bowerbank. ere are indications of two or more 
species of Spongilla in our lakes and streams, different from the two Euro 
pean species, and as yet undescribed; and the present opportunity for 
their thorough investigation should by all means be improved. A. @ 
7. Seeman’s Botany of the Voyage of the Herald ; parts IX, and X— 
The latter just issued, complete this creditable botanical work. It ex- 
tends to 483 pages, and to 100 plates, all well chosen and well executed. 
The 9th fasciculus finishes the collections in North Western Mexico, and 
give a general introduction to the Flora of Hong Kong: the 10th com- 
prises what purports to be a synopsis of the known plants of this island, 
778 in number, a full index to the volume, and 14 pages reprinted to 
correct errors and give additional information® In one of them is cor 
rected a mistake by which a Tephrosia was taken for so peculiar a plant 
as our Galactia marginalis, Benth. The Hong Kong Composite are, 
elaborated by Dr. Steetz, with his usual conscientious care and good a 
judgment; the Orchidacee by the younger Reichenbach; the Cyperace@ — 
and Graminee ol. Munro; and the Ferns by Mr. John Smith, In _ 
a neat preface Dr. Seeman takes just credit to himself for having pro- 
e 
the German is the staple ; but most of the technical matter relatin 
systematio botany is in Latin; and articles are admitted either i 
or in English. As one 
8. Dr. J. D, Hooker: On the Structure and Affinities of Balanopho- 
__ * To help on a little this laudable diminution of nominal species, we may remark 
that the only species which Dr. Seeman has pro as new in the Flora of bho 
ern Esquimaux-land (and admirably figured,) viz.: his Artemisia androsacea. ™ 
doubtless A. Senjavinensis, of Besser, from the opposite coast. a. @ 
