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Additions to the preliminary list of the flowering and fern plants of 
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Laboratory directions for the study of Amphioxus. Oberlin, Good- 
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Our smallest Carnivore. Ohio Naturalist, vol. V, pp. 251-254. 1905. 
A topographic Survey of Ohio. n. d. 7 p. 
Charles Vinal Spear, n. p. n. d. 55 p. Por. II. O. 
Classification of the animal kingdom, n. p. n. d. 35 p. O. Trans, 
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Concerning a topographical survey, n. p. n. d. 4 p. 
Early embryological stages of amphioxus. n. p. n. d. 4 p. 
General Zoology, n. p. n. d. 4 p. 
Herbarium-making, n. p. n. d. 7 p. O. 
Optical properties of rock-making minerals n. p. n. d. 8 p. 
Rocks, n. d. 17 p. 
Students' collection of fossils, n. p. n. d. 4 p. 
The dissection of molgula. n. d. 7 p. 
