GERMANY. 53 



janthinus Germ. — p. 78-80. (Same) On Cassida lineola Creutz, and the earlier 

 states of this species— p. 80-88. Proceedings — pp. 14. 



Physikalische Abhandlungen der K. Akademie der Wissenchaften zu 

 Berlin. Transactions of the Royal Berlin Academy of Science. 

 Section of Physical Sciences. For the year 1855. 4to. Berlin. 1856. 

 (Braun) On Chytridum, a genus of unicellular plants, parasitic upon Algae and 

 Infusoria; with tive plates — p. 21-83. Nineteen species are characterised: — 

 C. olla, acuminatum, oblongum, lagenula, mamillatum, sporoctonum, globosum, 

 pollinis, laterale, subangulosum, transversum, depressum, cornutum, hydrodic- 

 tyi, decipiens, apiculatum, endogenum, saprolegniae, ampullaceum. (Beyrich) 

 On the connection between the Tertiary formations of Northern Germany, for 

 the illustration of a general Geological chart--p. 1-20. (Ehrenberg) On the 

 Greensand, and the illustration it affords of Organic life — p. 85-176. The sequel 

 of this essay, with the seven plates which illustrate it, are reserved for a follow- 

 ing volume. 



Zeitschrift fuer Wissenchaftliche Zoologie. Journal of Scientific 

 Zoology, by Siebold and Koelliker. 8vo. Leipzig. Vol. VIII.' A.D. 

 1856, 1857. 



(Mueller) Anatomical and Physiological examination of the Retina in Man 

 and Vertebrate animals; with two plates — p. 1-122. (Ecker) On the mucous 

 membrane of the nose in Man ; with a plate— p. 303-306. (Koelliker) Obser- 

 vations on the terminations of the Nerves of the skin, and on the structure of 

 the Muscles; with a plate — p. 311 325. (Luschka) On the Alse minima? of the 

 Sphenoid, processes hitherto overlooked ; with a plate — p. 123-128. (Bezold) 

 Inquiries into the distribution of water, organic materials, and inorganic com- 

 binations in the Animal Kingdom — p. 487-524. (Kunde) On substraction of 

 water from the Animal tissues, and on the formation of temporary Cataracts in 

 consequence — p. 466-486. (Czermak) On the structure of the Rattle of Cro- 

 talus ; with a plate — p. 294-301. (Ankermann) On the motion and develop- 

 ment of the spermatic filaments of the Frog; with a plate — p. 129-151. 

 (Semper) On the formation of the Wings, Scales, and Hairs, in the Lepidoptera ; 

 with a plate — p. 326-339. (Hering) On the Anatomy and Physiology of the 

 Generative organs of Lumbricus ; with a plate — p. 408-424. (Thompson) On the 

 spermatic corpuscles, the Eggs and Impregnation of Ascarismystax — p. 425-438. 

 Walter (Contributions to the Anatomy and Physiology of Oxyuris ornata ; with 

 two plates — p. 168-201. (Aubert) On Gryporrhynchus pusillus a free Cestoid 

 Nurse — p. 274-293, 525, 526. (BormeUter) A few words more on the Systema- 

 tic place of the Rotifera — p. 152-158. (Weisse) Note on Limnias melicerta, and 

 its identity with L. annulatus Bailey — p. 302. (Wagener) On the connection of 

 the Nucleus and nucleus corpuscle of the Ganglion cell with the Nervous filament; 

 with a plate — p. 455-457. Vindicating the accuracy of Lieberkuehn's observations 

 on the frog against the doubts of Stilling, and confirming them from examinations 

 of the Ganglia in Hiiudo medicinalis, Aulacostoma nigrescens, Limax ater and 

 Lymnasus stagnalis. (Semper) Contributions to the Anatomy and Physiology of 

 the Pulmonata ; with a plate — p. 340-399. The species particularly investigated 

 are Arion empiricorum, Limax agrestis, variegatus, Helix pomatia, Lymnasus 

 stagnalis, Planorbis marginatum. (Hague) On the natural and artificial forma- 

 tion of Pearls of China ; Translated from the Journal of the Royal Asiatic Society 

 — p. 439-444. (Siebold) On the formation of pearls in Chinese fresh-water Pearl- 

 massels; an Appendix to the preceding paper; with two pla'es — p. 445-454. 

 (Gegenbaur) An attempt at a classification of the Medusas, with descriptions of 

 new or imperfectly known forms ; as a contribution to the Fauna of the Mediterra- 

 nean ; with four plates — p. 202-273. (Lieberkuehn) On Protozoa; the conjuga- 

 tion of Actinophrys, the embryology of Spongilla, &c. — p. 307-310. (Radlkofer) 

 On true Parthenogenesis in plants — p. 458-465. Prospectus of Contributions to 

 the Natural History of the United States by Agassiz— p. 159-162. 



9 



