VIII AUTHORITIES 243 



and with a similar object, with the renal pouch on the same side 

 of the body, but in the majority of cases the orifices are distinct. 



The following memoirs will be found useful for further 

 study of this portion of the subject : — 



D. Barfurth, Ueber den Bau und die Thatigkeit der Gasteropodenleber : 



Arch. Mikr. Anat. xxii. (1883), pp. 473-524. 

 Th. Behme, Beitrage zur Anatomie und Entwickelungsgeschichte des Harn- 

 apparates der Lungenschnecken : Arch. Naturges. iv. (1889), pp. 1-28. 

 R. Bergh, Semper's Reisen im Archipelago der Philippiiien; Nudibran- 



chiata: Theil ii. Baud ii. (1870-78), Band iii. (1880-1892). 

 W. G. Binney, Terrestrial Air-breathing Mollusks of the United States: 

 Bull. Mus. C. Z. Harv. iv. (1878), 450 pp. 

 „ On the Jaw and Lingual Membrane of North American 



Terrestrial Pulmonata : Proc. Ac. iSTat. Sc. Philad. (1875), 

 pp. 140-243. 

 J. T. Cunningham, The renal organs (Nephridia) of Patella : Quart. Journ. 

 Micr. Sc. xxiii. (1883), pp. 369-375. 

 „ „ Note on the structure and relations of the kidney in 



Aplysia: Mitth. Zool. Stat. Neap. iv. (1883), pp. 

 420-428. 

 R. von Erlanger, On the paired Nephridia of Prosobranchs, etc. : Quart. 



Journ. Micr. Sc. xxxiii. (1892), pp. 587-623. 

 H. Fischer, Recherches sur la Morphologie du Foie des Gasteropodes : Bull. 



Scient. France Belg. xxiv. (1892), pp. 260-346. 

 C. Grobben, Morphologische Studien iiber den Harn- und Geschlechtsapparat, 

 sowie die Leibeshohle, der Cephalopoden : Arb. Zool. Inst. 

 Wien, V. (1884), pp. 179-252. 

 „ Die Pericardialdriise der Gasteropoden : ibid. ix. (1890), pp. 



35-56. 



B. Haller, Beitrage zur Kenntniss der Niere der Prosobranchier : Morph. 



Jahrb. xi. (1885), pp. 1-53. 



A. Hancock, On the structure and homologies of the renal organ in the 

 Nudibranchiate MoUusca: Trans. Linn. Soc. xxiv. (1864), pp. 511-530. 



A. Kohler, Microchemische llntersuchung der Schneckenzuugen : Zeits. 

 Gesamm. Naturw. viii. (1856), pp. 106-112. 



Ad. Oswald, Der Riisselapparat der Prosobranchier: Jena. Zeits. Naturw. 

 N.F. xxi. (1893), pp. 114-162. 



R. Perrier, Recherches sur I'anatomie et I'histologie du rein des Gastero- 

 podes prosobranches : Ann. Sc. Nat. Zool. (7), viii. (1889), pp. 61-315. 



C. Semper, Reisen im Archipelago der Philippinen ; Land Pulmonata : 



Theil ii. Band iii. (1870-77). 

 C. Troschel, Das Gebiss der Schnecken : Berlin, 1856-1892. 

 W. G. Vigelius, Ueber das Excretionssystem der Cephalopoden : Niederl. 



Arch. Zool. V. (1880), pp. 115-184. 



