o 
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1907. FRIERSON, L. S. A new Mexican mussel, Lampsilis fimbriata (Nautilus, 
21, pp. 86-87). 
1909. FRIERSON, L. S. Remarks on the subfamilies Hyriine and Unioninee 
(Nautilus, 22, pp. 106-107). 
to1oa. Haas, F. On Unio, Margaritana, Pseudanodonta, and their Occurrence 
in the Thames Valley (Pr. Malacol. Soc., 9, pp. 106-112). 
ro10b. Haas, F. Pseudunio, neues Genus fiir Unio sinuatus Lam. (Nachr. Bl. 
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19t0c. Haas, F. Die Najadenfauna des Oberrheins vom Diluvium bis zur Jetzt- 
zeit (Abh. Senckenberg. Naturf. Ges., 32, pp. 147-176). 
to1od. Haas, F. Neue und wenig bekannte Lokalformen unserer Najaden 
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t910e. Haas, F. Unionide, in Kuester, H. C. und Kobelt, W. Systematisches 
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1907. Harms, W. Zur Biologie und Entwicklungsgeschichte der Flussperlmuschel 
(Zool. Anz., 31, pp. 814-824). 
1908. Harms, W. Die postembryonale Entwicklung von Unio pictorum und 
U. tumidus (Zool. Anz., 32, pp. 693 ff.). 
1909. Harms, W. Postembryonale Entwicklungsgeschichte der Unionide (Zool. 
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1907. HuInKLEy, A. A. Shells collected in northeastern Mexico (Nautilus, 21, 
pp. 68-72, 76-80). 
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of the Unionide (Biol. Bull., 20, pp. 77-80). 
1909. ISRAEL, W. Ueber die Najadeen des Mittelelbegebietes (51 and 52 Jahresb. 
Ges. Fr. Naturw. Gera., pp. 1-38). 
1908. Kosett, W. Zur Kenntnis unserer Unionen (Festschr. Wetterau. Ges. 
Naturk. Hanau., pp. 84-108). 
1832-1874. Lea, I. Observations on the genus Unio, vols. 1-13. 
1910. LEFEVRE, G. and Curtis, W. C. Reproduction and parasitism in the 
Unionide (Journ. Exp. Zodél., 9, pp. 79-II5). 
I91I. LEFEVRE, G. and Curtis, W.C. Metamorphosis without parasitism in the 
Unionide (Science, 33, June 2, pp. 863-865). 
1895. Littre, F. R. The Embryology of the Unionide (Journ. Morphol., ro). 
I910a@. ORTMANN, A. E. A New System of the Unionide (Nautilus, 23, pp. 
II4—120). 
I910b. ORTMANN, A. E. The Systematic Position of the Unionid-genus Parreysia 
(Nautilus, 23, pp. 139-142). 
I910c. ORTMANN, A. E. The Soft Parts of Spatha kamerunensis Walker (Nau- 
tilus, 24, pp. 39-42). 
I910d. ORTMANN, A. E. The Discharge of the Glochidia in the Unionide (Nauti- 
"lus, 24, pp. 94-95). 
IQIId. ORTMANN, A. E. The Anatomical Structure of Certain Exotic Najades 
Compared with that of the North American Forms (Nautilus, 24, pp. 103- 
108, 114-120, 127-131). 
