664 SCIENTIFIC EECORD FOR 1884. 



Leidy (Joskph). Urnatella gracilis, a fresh-water Polyzoan. Journ. Acad. Nat. 



Sc. Phila., V. 9, 1883, 16 pp., 1 pi. 

 Potts (Edwakd). Ou a supposed new species of Cristatella (C. lacustris.) Proc. 



Acad. Nat. Sc. Phila., 18s4, pp. 193-199. 

 Shrubsole (George W.) and George R. Vine. The Silurian species of Glauconome, 



and a suggested classification of the Palaeozoic Polyzoa. Quart. Journ. Geol. 



Soc. London, v. 40, pp. 329-332. 

 ViGELius (W. J.). Morphologische Untersuchungen Uber Flustra membranaceo-trun- 



cata Smith. Biolog. Centralbl., v. 3, pp. 705-721. (Abstr. J. R. M. S. (2), v. 4, 



p. 371.) 

 yiNE (George Robert). Notes on species of Ascodictyon and Rhopalonaria from 



the Wenlock Shales. Ann. and Mag. of Nat. Hist. (5), v. 14, pp. 77-89. 

 — . Fourth Report of the Committee, consisting of H. C. Sorby and G. R. Vine, 



appointed for the purpose of reporting on Fossil Polyzoa. Part I. Cretaceous 



Polyzoa, British area only. II. Classification of Cyclostouiatous Polyzoa. III. 



Pseudo-Polyzoan forms. IV. Bibliography. Rep. 32 Meet. Brit. Ass. Adv. Sc, 



pp. 161-209. 

 Waters (Arthur W.). Closure of the Cyclostomatous Bryozoa. Journ. Linn. Soc. 



London, Zool., v. 17, pp. 400-404, 1 pi. 



Brachiopods. 



SCHULGIN (M. A.). Argiope Kowalevskii. Ein Beitrag zur Kenntnis der Brachio- 

 poden. Zeitschr. f. wisa. Zool., v. 41, pp. 116-141, 2 pi. 



MOLLUSKS. 



General. 



Braun (M.). Beitrage zur Kenntnis der Fauna Baltica. II. Die Land- und Siiss- 



wassermoUusken der Ostseeprovinzen. Arch. f. d. Naturkde. Liv-, Ehst- nnd 



Kurlauds (2), v. 9, pp. 401-504. 

 Dall (W. H.). On the constitution of some appendages of the MoUusca. Am. 



Nat., V. 18, pp. 776-778. 

 . Report on.the Mollusca of the Commander Islands, Bering Sea, collected by 



Leonhard Stejneger, in 1882 and 1883. Proc. U. S. Nat. Mus., v. 7, pp. 340-349. 

 Ehrenbaum (E.). Untersuchungen itber die Struktur und Bildung der Shale der 



in der Kieler Bucht hiiufig vorkommenden Muscheln. Zeitschr. f. wiss. Zool., 



V. 41, pp. 1-47, 2 pi. 

 Fischer (Paul). Manuel de Couchyliologie. Fasc. V. Paris, 1883. (8vo., pp. 417- 



512.) 

 Jordan (Hermann). Die Binnenmolluskeu der nordlich gemaseigten Lander von 



Europa und Asien und der arktischen Lauder. Mit Verbreitungstabellen 1-14. 



Nova Acta Acad. Caes. Leop.-Carol., v. 45, pp. 181-402, 8 pi., 2 maps. 

 KOLLMANN (J.). Pori aquiferi und Intercellnlargiinge im Fusseder Lamellibrancbia- 



teu uiid Gasteropoden. Verhandl. Naturf. Ges. Basel, 7. Th., pp. 325-351. 

 Lankester (E. Ray). The supposed taking in and shedding-out of water in relation 



to the vascular system of Mollusks. Zool. Anz., 7. Jahrg., pp. 343-346. 

 Martini und Chemnitz. Systematisches Conchylien-Cabinet. Fortgesetzt von W. 



KobeltundH.C.Weiukaufif. 328., 329., 330. Lief. Nurnberg: 1884. (4to.) 

 Mollendorff (O. F. von). Matei-ialien zur Fauna von China. Jahrbiich. d. d. Ma- 



akozool. Ges., 11. Jahrg., jip. 30-390, 3 pi. 

 Pechaud (Jean). Excursions malacologiques dans le Nord de I'Afrique, de la Calie h. 



Alger, d'Alger ^ Tanger. Fasc. 1. Paris: 1884. (8vo, H2pp.) 

 Rossmassler's Icouographie der europaischen Land- und Siisswasser-MoUusken. 



Fortgesetzt von W. Kobelt. N. F., v. 1, 5.-6. Lief. Wiesbaden : 1884. (8vo.) 



