xxxiv The Molluscan Family Plauorbidae 



1936 



328. The generic position of Plonorbis obstructus Morelet. Op. cit., 49(3) ".104. 



329. Quantitative examination of molluscan fossils in two sections of Pleistocene loess 



in Illinois. Jour. Paleontol.. 10(l):72-76. 



330. The fresh-water mollusc Hclisuma corpulentum and its relatives in Canada. Natl. 



Mus. Canada Bull., 79:1-37. 



331. Paleontology. In A. L. Lugn's 'The Pleistocene Geology of Nebraska.' Nebraska 



Geol. Surv. Bull., 10:1-223. (Identifications and comments on pages 122, 123, 

 183-187, 190, 194, 195, 210-212). 



332. New Lvmnaeidae from the United States and Canada, II. Michigan, Minnesota, 



and Montana. Nautilus, 49(4) : 127-140. 



333. The relationship of Parapholyx. Op. Cit., 50:30-31. 



334. Remains of animal life from the Kingston kitchen midden site near Peoria, Illi- 



nois. Trans. Illinois State Acad. Sci., 29:243-246. 



1937 



335. Identification of shells. In Cole and Deuel, 'Rediscovering Illinois.' Appendix 



VI, 'Explorations in and around Fulton County,' pages 269-270. 



336. Mollu.sca from the Prince Albert National Park, Saskatchewan. Nautilus, 50(4) : 



113-117. 



337. An Illinois record for the little brown crane. The Auk. 54:388. 



338. A new Pleistocene race of Polygyra apprcssa. Nautilus, 51(l):22-23. 



339. Pleistocene land and fresh-water Mollusca as indicators of time and ecological 



conditions. In 'Symposium on Early Man,' held at Academy of Natural Sci- 

 ences, Philadelphia, March, 1937. J.B. Lippincott, 1937:67-74. 



340. Abundance of the European starling in Illinois. Science, 85:564. 



1938 



341. New land and fresh-water Mollusca from the Ui^per Pliocene of Kansas and a 



new species of Gyraulus from Early Pleistocene strata. Nautilus, 51(4) : 126-131. 



342. The Mollusca of the shell heaps or escargotieres of northern Africa. Part III of 



'Prehistoric habitation sites in the Sahara and North Africa.' Logan Mus. 

 Bull., 5:185-225. 



1939 



343. Original copies of Say's 'American conchology.' Nautilus, 52:106. 



344. Stagidcola bulimoides vancouverensis nov. var. Op. cit., 52:144. 



345. Remains of animal life from the Kingston kitchen midden site near Peoria, Illi- 



nois. 'The Kingston Site,' by A. M. Simpson. Peoria Acad. Sci., 1939:13-15. 



346. Land and fresh-water Mollusca from western Ontario. Canadian Jour. Research, 



D, 17:87-102. 



347. Fieldbook of Illinois land snails. Illinois Nat. Hist. Surv., Manual 2, 166 pages. 



1940 



348. South American species referred to Planorbula. Nautilus, 53:106. 



349. The case of Linmacu.'< sordidus Ku.ster. Op. cit., 53:138-141. 



350. A new HcIiso)na from the Pliocene of Florida. Op. cit., 54:17. 



351. A new anatomical classification of the Planorbidae. Tenth Ann. Rept. Amer. 



Malacol. Union, Philadelphia, 1940:4-5. 



1941 



352. A new species of Drcpanotrema and some preoccupied planorboid names. Nau- 



tilus, 54:96-97. 



353. A new race of Parapholyx effusa. Op. cit., 55:16-17. 



354. A study in ethnology of the prehistoric Indians of Illinois. Part II. Contributions 



to the archaeologv of the Illinois River vallev. Trans. Amer. Philos. Soc. 

 (n.s.), 32(l):51-67. 



1942 



355. Lymnaea .'itagnalis and Lymnnca (Radix) nuricularia. Nautilus, 55:105-106. 



356. Land and fresh-water Mollusca of New Hampshire. Amer. Midi. Nat., 27:74-85. 



