Chronological List of Publications xxxi 



1922 



233. Pleistocene Molluska from northwestern and central Illinois. Jour. GeoL, 30(1): 



43-62. 



234. Fluke infections and the destruction of the invertebrate host. Jour. Parasitol., 



8:145-147. 



235. New species and varieties of Mollusca from Lake Winnebago, Wisconsin, with 



new records for this state. Nautilus, 35:130-133; 36:19-21. 



236. New Lymnaeas from Wisconsin and Minnesota, with notes on shells from the 



latter state. Op. cit., 36:22-25. 



237. The molluscan faima of the Big Vermilion River, Illinois, with special reference 



to its modification as the result of pollution by sewage and manufacturing 

 wastes. Illinois Biol. Monogr., 7(2):1-127. 



238. The museum, the original exponent of visual education. School Sci. and Math., 



22:651-655. 



1923 



239. The Pleistocene Mollusca from the vicinity of Joliet, Illinois. Trans. Illinois 



State Acad. Sci., 15:408-420. 



240. A new Anodontoidcs from Wisconsin. Nautilus, 36:123-125. 



241. Description of a new Lymiiaea from Yellowstone Park. Op. cit., 36:125-126. 



242. The educational value of a university natural history museum. Science, 58: 



55-57. 



243. Some problems of a university curator. Museum Work, 5:92-94. 



244. The use of molluscan shells bv the Cahokia mound builders. Trans. Illinois State 



Acad. Sci., 16:328-334. 



245. A new Physa from California. Nautilus, 38:15. 



246. Report of curator, the Museum of Natural History. In 'President's Report,' 



University of Illinois, 1922-1923:159-162. 



1924 



247. The place of the museum in university instruction. Museum Work, 7:81-87. (Re- 



printed in School Life, 10:33-35). 



248. The fauna of the Lake Winnebago region. A quantitative and qualitative survey 



with special reference to the Mollusca. Trans. Wisconsin Acad. Sci., Arts, 

 and Lett., 21:109-146. 



1925 



249. Report of curator. Museum of Natural Historv. In 'President's Report,' Uni- 



versity of Illinois, 1924-1925:117-119. 



1926 



250. Museums and nature. Naturalist's Guide to the Americas, 27-29. 



251. The effects of pollution on animal life. Op. cit., 38-41. 



252. Nomenclatorial notes on American fresh-water Mollusca. Trans. Wisconsin Acad. 



Sci., Arts, and Lett., 22:192-205. 



253. Bowmanville low water stage of Glacial Lake Chicago. Science, 64:249. 



254. Fresh-water Mollusca from White Lake, Oakland County, Michigan. Nautilus, 



40:49-52. 



255. New forms of Planorbis and Lymnaca with notes on other forms. Op. cit., 41: 



23-24. 



256. Report of curator. Museum of Natural Historv. In 'President's Report,' Uni- 



versity of Illinois, 1925-1926:145-149. 



1927 



257. Description of a new species of Lymnaea from British Columbia. Nautilus, 41 : 



23-24. 



258. Description of a new species of Somatogyrus from Wisconsin. (With H. A. 



Pilsbry). Op. cit., 41:24-26. 



259. The naiad fauna of the Rock River Svstem; a studv of the law of stream dis- 



tribution. Trans. Ilhnois State Acad. Sci., 19:103-112. 



260. New varieties of Stagnicola from Wisconsin and Wyoming. Nautilus, 40(3) : 85-87. 



261. New varieties of Helisoma antrosa from Wisconsin and Minnesota. Op. cit., 40: 



82-85. 



