PUBLICATIONS. 63 



CRAIG, WALLACE. B. t The Voices of Pigeons Regarded as a Means 



of Social Control. Amer. Journ. Sociology, July, 1908. 

 CRAMPTON., H. E. Experimental Studies on Gasteropod Development. 



Arch. Entw'mech., Ill, 1896. 



The Ascidian Half-Embryo. Ann. N. Y. Acad. Sci., X, 1897. 

 Coalescence Experiments upon the Lepidoptera. Biol. Lectures, 



1897. 

 Studies on the Early History of the Ascidian Egg. Journ. 



Morph., XV, Suppl., 1899. 

 An Experimental Study upon Lepidoptera. Arch. Entw'mech. 



IX, 1899. 

 The Aims of Quantitative Study of Variations. Biol. Lectures, 



1899. 

 CURTIS, W. C. B. On the Reproductive Organs of Planaria sim- 



plicissima, a New Species. Zool. Jahrb., XXX, 1900. 

 On the anatomy and Development of the Reproductive Organs of 



Planaria maculata. J. H. U. Circ., XIX, 1900. 

 The Life History, the Normal Fission, and the Reproductive 



Organs of Planaria maculata. Proc. Boston Soc. Nat. Hist., 



Nov., 1902. 

 Crossobothrium Laciniatum and Developmental Stimuli in the 



Cestoda. Biol. Bull., V, 1903. 



The Location of the Permanent Pharynx in the Planarian Em- 

 bryo. Zool. Anz., XXIX, 1905. 

 The Formation of Proglottids in Crossobothrium Laciniatum 



(Linton). Biol. Bull., XI, 1906. 

 DAHLGREN, ULRIC. B. A Centrosome Artifact in the Nerve Cells of 



the Dog. Anat. Anz., 1896. 

 The Giant Ganglion Cells in the Order Heterosomata of Fishes. 



Anat. Anz., 1897. 



The Giant Ganglion Cells in the Spinal Cord Pterophryne. Journ. 

 . Neur., 1898. 

 The Maxillary and Mandibular Breathing Valves of Fishes. 



Biol. Bull., 1899. 

 A Double Method of Embedding in Paraffin and Celloidin. Journ. 



Micros., Rochester, 1899. 

 DAVIS, B. M. The Spore-mother Cell of Anthoceros. Bot. Gaz., 



XXVIII, p. 89, 1898. 

 The Fertilization of Albugo Candida. Bot. Gaz., XXIX, p. 297, 



1900. 

 B. Nuclear Studies on Pellia. An$. Bot., XV, p. 147, 1901. 



