640 
ZOOLOGICAL LITERATURE. 
Grube^ Prof. Ueber Landplanarien. Jaliresbericlit der Schles. 
Gesellsch. f. Vaterl. Cultur^ 1866^ pp. 61-64. 
Maddox, E. L. Some remarks on the parasites found in the 
nerves &c. of the common Haddock, Morrhua ceglefinus. 
Quart. Journ. Micr. Sci. vol. xv. pp. 87-99, pi. 8. 
Metschnikoff, Elias. Beitriigc zur Naturgcschichte der Wiir- 
mer. Zeitschr. f. wissensch. Zoologie, Bd. xvii. pp. 539- 
544, Taf. 31. 
Easmussen, V. Bidrag til kundskab om Echinococcernes Ud- 
vikling, navnlig om Dottrebloeredannelsen. Naturhist. Eo- 
ren. Vidensk. Meddelelser, 1865 ; also reprint, pp. 29 : 
Copenhagen, 1865. 
Stieda,* Ludwig. Beitrage zur Anatomie der Plattwurmer. 
Eeichert u. Du Bois-Eeymond's Archiv, 1867, pp. 52-64, 
Taf. 2. 
Zeller, Ernst. Ueber das encystirte Vorkommen von Disto- 
mum squamula, Eud. im braunen Grasfrosch. Zeitschr. f. 
wissensch. Zoologie, Bd. xvii. pp. 215-220, Taf. 13: Mar. 21, 
1867. 
Cestoidea. 
M. H. Krabbe’s remarks on the Entozoa of man and the domestic animals 
in Iceland are translated in Ann. & Mag. Nat. Hist. vol. xix. 1867, p. 180 j hut 
vide * Record ’ for 1867, pp. 603 & 606 j see also a note by the same author, 
Sur les Helminthes de Thomme et des animaux domestiques,” Comp. Rend. 
Ixiv. No. 3, 1867, pp. 134-138. 
Dr. W. D. Moore has given an account of Dr. Rasmussen’s work on the 
development of Echinococci, particularly with reference to the formation of 
daughter cells, in Journal of Anat. & Physiol, vol. i. p. 183, from which we 
ascertain that the author’s investigations confirm the view put forward by 
Leuckart, that the scolex-formation always proceeds in brood-capsules deve- 
loped from the parenchymatous layer of the mother cell and being in con- 
tinual connexion with the same. The daughter cells are formed either endo- 
genously or exogenously with respect to the mother cell; but these two forms 
are not strictly separated, and may often be developed together : in cells 
which are developed endogenously, new cells may be again produced both 
endogenously and exogenously. Scoleces in the daughter cells do not exhibit 
any other than individual differences from those which are formed in the 
mother cells. All scoleces in a compound echinococcus-cyst are equally 
adapted for development, under certain conditions, to the state of Tcmia echi- 
noccus. 
Dr. OoBBOLD (1. c.) gives an account of a series of experiments in which the 
proglottides of several species of Tcmia were administered to calves, young 
dogs, and pigs. Dr. Oobbold succeeded in rearing T. mediocanellataj T. ser- 
ratUj T. marginata, and T. ccenuruSy but not either T. echinococcus or T'. so- 
lium. 
Bothriocephalus latus. Dr. Stieda (1. c.) corrects a mistake that he, in com- 
mon with Leuckart & Bottcher had made, confounding the cells of the 
