Ixi 



A memoir, by Kurz, on the Lern(Bopodidce, appears in Siebold 

 and Kolliker's ' Zeitschrift' (vol. xxix. Heft 3), 



A curious memoir on the anatomy and transformations of the 

 parasitic crustacean, Tracheliastes polycolpus, with three plates, 

 appears in Siebold and Kolliker's ' Zeitschrift' (vol. xxix. pi. 1). 



An extended memoir, by Dr. Weismann, on the " Naturge- 

 schichte der Daphnoidea," with especial reference to the 

 embryology of the species, appears in Siebold and Kolliker's 

 'Zeitschrift' (vol. xxviii.), illustrated by five large plates. 



A memoir, by Drs. Weismann and Graber, appears in the 

 'Bericht' of the Freiburg Society of Naturalists, on the 

 crustaceous family Dap ^mac?«, noticed in 'Nature,' October 11, 

 1877. 



Arachnida. 



Prof. Lebert has contributed an elaborate memoir, on the 

 spiders of Switzerland, to the general Swiss Society of Natural 

 History of Zurich, and which entirely occupies the second part 

 of its ' Transactions ' for the past j'ear. 



The spiders of Hungary form the subject of a handsome royal 

 4to volume, with three plates, forming part of the ' Transactions 

 of the Royal Hungarian Natural History Society,' by the assistant 

 director. Otto Hermann, of Buda Pest. This first volume treats 

 of the bibliography of the tribe, and the life-history of spiders in 

 general, as well as the geographical distribution of the Hungarian 

 species, the technical description of which will occupy a second 

 volume. 



An extensive list, with descriptions, of the spiders and other 

 Arachnida of the Argentine Pepublic, by E. L. Holmberg, has 

 appeared in the 'Anales de Agricultura de la republica Argentina' 

 (vol. iv.), which has also been separately published, but without 

 the plates, by the Sociedad Cientifica de Buenos Aires, and in the 

 ' Periodico Zoologico' of the Sociedad Zoologica Argentina 

 (Cordoba, 1877). The species described are Isometrus fuscus, 

 Bothriurus vittatus, Guer. ; Telegonus (two species) and Cerco- 

 phonius (one species) belonging to the Scorpiones ; Pachylus 

 (two species) and Ostracidium (one species) belonging to the 

 Opiliones, and one species of Chelifer. This memoir has been 

 republished in the 'Boletin de la Academia Nacional de Ciencias' 

 (tom. ii.). 



