664 SCIENTIFIC RECORD FOR 1884. 



Leidt (Joseph). Urnatella gracilis, a fresh-water Polyzoan. Journ. Acad. Nat. 



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

 Potts (Edward). On a supposed new species of Cristatella (C. lacustris.) Proc. 



Acad. Nat. Sc. Phila., 1884, 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 iiber Flustra meinbranaceo-trun- 



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



p. 371.) 

 Vine (George Robert). Notes on species of Ascodictyon and Rhopalouaria 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 Cyclostomatous Polyzoa. III. 



Pseudo-Polyzoau 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. 



Brachiopoda. 



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

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



M0IXUSK8. 



General. 



Braun (M.). Beitriige zur Kenntnia der Fauna Baltica. II. Die Land-und Siiss- 



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



Kurlands (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. 

 Ehrenbatjm (E.). Untersuchungen iiber 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 Conchyliologie. Fasc. V. Paris, 1883. (8vo., pp. 417- 



512.) 

 Jordan (Hermann). Die Binnenmollusken der nordlich gemassigten Lander von 



Europa und Asien und der arktischen Lander. 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 Lamellibr.anchia- 



teu und 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 MoUusks. Zool. Anz., 7. Jahrg., pp. 343-346. 

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



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

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



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

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



Alger, d'Alger k Tanger. Fasc. 1. Paris : 1884. (8vo, 112 pp.) 

 Rossmassler's Iconographie der europiiischen Land- und Siisswasser-Mollusken. 



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



