101. PARKER, G. H., AND DAVIS, FRKDERICA K The Blood Vessels of the Heart in 



Carcharias, Raja, and Amia. P. B. S. N. II. 9(8): 163-178. 3 pis. Oct., 1899. 



102. RAND, II. W. The Regulation of Graft Abnormalities in Hydra. Arch. f. En- 



twickelungsmechanik, O(2): 161-214. Pis. 6-7. Dec., 1899. 



103. YERKES, R. M. Reaction of Entomostraca to Stimulation by Light. Amer. 



Jour. Physiol. 3(4): 157-182. Nov., 1899. 



104. TOWER, W. L. The Nervous System of the Cestode Moniezia expansa. Zool. 



Jahrb., Abth. f. Anat. 19(3): 359-384. Pis. 21-26. Apr. 10, 1900. 



105. WAITE, F. C. The Structure and Development of the Antennal Glands in Ilomanu 



americanus Milne-Edwards. B. M. C. Z. 35(7): 149-210. 6 pis. Dec., 1899. 



106. SARGENT, P. E. Reissner's Fibre in the Canalis Centralis of Vertebrates. Anat. 



Anz. 17(2-3): 33^4. 3 pis. Jan. 15, 1900. 



107. WILLIAMS, S. R. The Specific Gravity of Some Fresh-Water Animals in Relation 



to their Habits, Development, and Composition. Amer. Nat. 34(398): 96-108. 

 3 figs. Feb., 1900. 



108. CASTLE, W. E. The Metamerism of the Hirudinea. P. A. A. 35(15): 283-303. 



8 figs. Feb., 1900. 



109. LINVILLE, II. R. Maturation and Fertilization in Pulmonate Gasteropods. 



B. M.C. Z. 35(8): 211-248. 4 pis. May, 1900. 



110. PARKER, G. H. Note on the Blood Vessels of the Heart in the Sunfish (Orthag- 



oriscusinolaLinn.). Anat. Auz. 17(16-17): 313-316. 1 fig. Mar. 31, 1900. 



111. PRATT, H. S. The Embryonic History of Imaginal Discs in MelophagusovinusL., 



etc. P. B. S. N. H. 29(13): 241-272. 7 pis. June, 1900. 



112. CASTLE, W. E. Some North American Fresh-Water Rhynchobdfcllidae, and their 



Parasites. B. M. C. Z. 3O(2): 15-64. 8 pis. Aug., 1900. 



113. BOWERS, MART A. Peripheral Distribution of the Cranial Nerves of Spelerpes 



bilineatus. P. A. A. 36(11): 177-193. 2 pis. Oct., 1900. 



114. FOLSOM, J. W. The Development of the Mouth-Parts of Anurida maritima Gue>. 



B. M. C. Z. 3O(5): 85-157. 8 pis. Oct., 1900. 



115. PARKER, G. H., and BURNETT, F. L. The Reactions of Planarians, with and with- 



out Eyes, to Light. Amer. Jour. Physiol. 4(8): 373-385. 4 figs. Dec., 1900. 



116. YERKES, R. M. Reaction of Entomostraca, etc. II. Reactions of Daphnia and 



Cypris. Amer. Jour. Physiol. 4(8): 405-422. 6 figs. Dec., 1900. 



117. GALLOWAY, T. W. Studies on the Cause of the Accelerating Effect of Heat upon 



Growth. Amer. Nat. 34(408): 949-957. 6 figs. Dec., 1900. 



118. PARKER, G. H. Correlated Abnormalities in the Scutes and Bony Plates of 



the Carapace of the Sculptured Tortoise. Amer. Nat. 35 (409): 17-24. 5 figs. 

 Jan., 1901. 



119. YERKES, R. M. A Study of Variation in the Fiddler Crab Gelasimus pugilator 



Latr. P. A. A. 36(24): 415-442. 3 figs. Apr., 1901. 



120. PARKER, G. H., AND ARKIN, L. The Directive Influence of Light on the Earth- 



wonn Allolobophorafoetida(Sav.). Amer. Jour. Physiol. 5(3): 151-157. 1 fig. 

 Apr., 1901. 



121. STRONG, R. M. A Quantitative Study of Variation in the Smaller North-American 



Shrikes. Amer. Nat. 35 (412): 271-298. 8 figs. Apr., 1901. 



122. SARGENT, P. E. The Development and Function of Rcissner's Fibre, and its 



Cellular Connections. P. A. A. 36(25): 443-452. 2 pis. Apr., 1901. 



123. PRENTISS, C. W. The Otocyst of Decapod Crustacea: Its Structure, Develop- 



ment, and Functions. B. M. C. Z. 36(7): 165-251. 10 pis. July, 1901. 



124. PETERS, A. W. Some Methods for Use in the Study of Infusoria. Amer. Nat. 



35(415): 553-559. 2 figs. July, 1901. 



125. PRENTISS, C. W. A Case of Incomplete Duplication of Parts and Apparent Regu- 



lation in Nereis vireng Sars. Amer. Nat. 35(415): 563-674. 6 figs. July, 1901. 



