221 Mollusca 



2122)0 Diener, C. 4.1 PoiiiJit angina 



1JM5. Zur sy^tematischen Stellung der P^lecypodengattung Pomarangina. 

 Centralbl. Win. Weol. Pal. 1915 p. 129—131. — von L. Krumbeck. u. 411) 

 -42-2. 



31 Churchill, E. P., Jr. 4.1 Qaadr-ula : 11.3 



1916. The absorption of nutriment from solution hy freshwater mussels. 

 Journ. exper. Zool. Vol. 21 p. 403—429, 2 pis. [Absorption by outer 

 epithelial cells (in small measure) and by intestinal cells. Mechanism of 

 fat, albumin and starch absorption. Phagocytic action.] 



11.31, .32 



32 Sterkl, Yictor. 4.1 Sphaeriidae (7) 



1916. A Preliminary Catalog of the North American Sphaeriidae. Ann. 

 Carnegie Mas. Pittsburgh Vol. 10 (Public. Carnegie Mns. No. 90) p. 429 

 —477. [10 nn. spp. in: F.phaerium (5 nn. varr.), Musculium 2 (1 n. torma, 

 5 nn. varr.), Pisidium 7 (1(3 nn. varr.)] 

 (71.1 -.4,.9 74.1,.3,.4,.7— .9, 75.2,.4,.5,.8, 76.7,.9, 77.1— .8, 7S.3,.6, 79.2-.8) 



33 Xordiuaun, V. 4.1 Tapes (119) 



1913, Tapes scnescens Doederlein og Tapes aureus Gu. var. cew/ens/s Nordm. 

 Videusk. Meddel. Dansk. nat. Foreu. Bd. 65 p. 287—300, 2 Tav. 



34 Kuhlmann, W. 4.1 Teredo : 14.78.5 



1916. Der Bohrapparat des Bohrwurms Teredo navalis. Die Naturmsseu- 

 schaftea Jahrg. 4 p. 710—713, 6 figg. 



35 Haas, F. 4.1 Unio 



1913. Bemerkungen (iber Spenqlers Unionen. Vidensk. Meddel. Dansk. 

 nat. Foren. Bd. 65 p, 51—66, 1 Taf,, 3 figg. [Identifizierungen.] 



36 Rich, .Stephen G. 4,1 Unio: 11.5 



1915. An Aberrant Ecological Form of Unio coraplanatus Dillwyn. Science 

 X. S. Vol. 42 p. 579-580. 



212237 Yanatta, E. G. 4.1 Unionidae 



1916. Rafines^ue's types of Unio. Proc. Acad, n.at. Sc. Philadelphia 

 Vol. 67 p. 549 — 559. [Unio rafinesquei n. nom. pro U. fuscatus Lea, non 

 Raf.J 



88 Haas, F. 4.1 Unionidae (4 >) 



1917. Eetudios eobre las Nayades del Ebro. Bol, Soc. Aragon. (Jienc. 

 nat. T. 16 p. 71—82. (46.3,.5) 



39 Meigs, Edward B. 4.1 Venns : 11 05 



1915. The ash of clam muscle in relation to its osmotic properties. 

 Journ, bid. Chem, Vol. 22 p. 493—498. 



40 Hesse, P. 4.3 : 01 



1916, Kritische Fragmente. XVI. Zur Nomenklatur. Nachrichtsbl. 

 dentsch. malakozool. fcJes. Jahrg. 48 p. 122—124. [Wiegmannia n. nom. 

 pro Gaetulia Kobelt non Stal non Simon, Diaphanella pro Hydatina Wstld. 

 non Ehrbg., Eduardia pro Martensia Semper non Agass., Helk pro Medea 

 Bttgr. non Eschsch., Pagodula pro Pngodina Stabile non Ben., Vestia pro 

 Uncinaria Vest, non Frobl., Olympicola pro Olympla Vest non Risso* Thra- 

 C'ella pro Wagnerta Hesse non Dksy. non Aler., Rosenia pro Thalestris 

 LiNDHOLM non Claus, Pallarya pro Striatella Beot non Agardh.] 



4.32,.37,.38 



41 Deecke, W. 4.3 : 14.78.5 



1916. Palaontologische Betrachtungen. (Schluss). IX. Ueber Gastro- 

 poden. Neu. Jahrb, Min. Geel. Pal. Beii.-Bd. 40 p. 759—788. 



4.31— .3i 



42 Merkel, E. 4.3: 14.78 5 



1917. Gesetzm^ssigkeiten im Bau des Schneckengehauses. Eine kon- 

 chyliologisch-architektonische Studie. Nachrichtsbl. deotsch. malakozool. 

 Ges. Jahrg. 49 p. 31—37. 4.32,.38 



212243 Miiller, Eug. 4.3 : 15.3 



1916. Benagen die Weichtiere gegenseitig ihre Gehause"? Zeitschr. nat. 

 Abt, nat. Ver, Posen Jahrg. 23 Heft 1 p. 26—30. [Sie weiden die Algea 



