CRUSTACEA. 
261 
Grube, E. Beschreibungen einiger Ampbipoden der istriscben 
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Sars, G. O. Om en anomal Gruppe af Isopoders. Forbandl. 
Vidensk. Selsk. i Christiania, Aar 1863. Christiania : 1864, 
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Hensen, V. Etudes sur Forgane auditif des Crustaces decapodes. 
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Klunzinger. Beitrage zur Kenntniss der Limnadiden. Zeitschr. 
fiir Wiss. Zool. 1864, xiv. p. 139. 
Klunzinger. Einiges zur Anatomie der Daphnien. Ibid, 
p. 165. 
Claus, C. Beitrage zur Kenntniss der Schmarotzerkrebse. 
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Taramelli, T. Sui Crostacei di forme marine viventi nelle acque 
dolci. Atti della Societa Italiana di Scienze Naturali. 
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Hesse, Eu. Memoire sur Ics Pranizes et les Ancees, &c. Paris : 
1864. Abstract in Ann. & Mag. Nat. Hist. 1864, vol. 
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Hesse, Eu. Observations sur des Crustaces rares ou nouveaux 
des Cotes de France. Troisieme article, Ann. Sci. Nat. 
1864, i. p. 333. Quatrieme article^ ibid. ii. p. 275. 
Lilljeborg, W. Memoire sur les Genres Liriope et Peltogaster 
(Rathke). Ann. Sci. Nat. 1864, ii. p. 289. 
Stimpson, W. Crustacea collected on the west coast of North 
America during the expedition of the Boundary Commis- 
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Bate, C. Sp. Characters of new species of Crustaceans disco- 
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Proc. Zool. Soc. 1864, Dec. 13 (pp. 661-668). 
In a memoir entitled Fiir Darwin,^^ Dr. Fritz Muller dis- 
cusses the truthfulness of Mr. Darwin^s theory on the ** origin of 
species,’^ confining his test to the class of Crustacea. 
I. To use his own words, The surest way to prove the cor- 
rectness of his views would be to apply them to a particular 
group of animals, going as much as possible into detail. Such 
an attempt to set up one common pedigree, whether for the 
families of a class, or the genera of a large family, or for the 
species of a rich genus, and to trace out as clearly and compre- 
