558 REVIEWS. 
During the last two years two volumes have been issued of the Trans- 
actions of the Royal Danish Academy of Science (Vols. VI. and VII). 
They contain the following memoirs: Professor Hannover’s Observations 
Helminthological Researches in Denmark and Iceland, eapo on the 
h’ 
Echinococcus disease in the latter country; Dr. Bergh’s Anatomical Con- 
tributions to the History of the Æolidiaceæ Ariss: nine — ; Professor 
(Ersted’s on a peculiar, hitherto unknown, of Evo n ce 
Parasitic oo s especialiy on the apa foars parae the 
Podisoma of the Savin and the Ræstelia of the pear tree, and finally Dr. 
Gottscher’s 1] achat of the Hepatic Mosses of Mexico, described from 
representing locus of Plaglo ila. More than two hundred species of 
Hepatice were collected by ps Liebmann, and three-fourths of this 
munbe er were new to science. In the Scientific assays from the 
nursing forms of Tenia, and their presumed corresponding mature Spè- 
cies, namely, the so-termed Gyporhynchus pusillus, from the mucus of the 
intestine, and from the gall bladder of Tinca, in which the author has 
recognized the ‘‘nurses” respectively of Tenia macroplos (from m Ardea 
nyctivorax), and T. piama (from Ardea nivea). T. (cysticercus) 
arionis (limacis) is probably the immature condition of T. multiformis 0 
the Stork; and the miniature ee worm observed by Stein in the Tene- 
brio molitor is identical with the Twnia murina of rats and mice as first 
suggested by Kiichenmeis 
In a second paper Dr. Krabbe has described and figured the tape- -worms 
of the bustard, T. villosa Bl., and Idiogenes otidis. The latter new oe 
$ o 
on- 
tinued his res oi on tomy a a systematic pirate 
Gymnobr ranchiate and allied “Mollusca by the papere and 
a D’Orb., an 

ee ete Naina n= a N 


