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 (400.) On T/iespestus and Ischyrothcriuui. Proc. A. N. S., Phila., vol. 26, p. 75. 

 (401.) On the enemies of Diffluoia, and on a supposed compound derived from 



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 (402.) On some new fresh-water Rhizopods. Proc. A. N. S., Phila., vol. 26, 



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 (412.) On Rhizopods. Proc. A. N. S., Phila., vol. 26, p. 168. 

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(416.) On a fungus in a Plamingo. Proc A. N. S., Phila., vol. 27, p. 11. 

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 (420.) Observation on a coal fossil. Proc A. N. S., Phila., vol. 27, p. 78. 

 (421.) On remains of Elephants Proc. A. N. S., Phila., vol. 27, pp. 120-122. 

 (422.) Observation on a curious Rhizopod on a mouthless fish. Proc. A. N. S., 



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 (423.) On Psorosperms in a mallard duck, on Our amoeba. Proc A. N. S., 



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1876 



(427.) Observations on Petalodus. Proc. A. N. S., Phila., vol. 28, p. 9. 

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