iv CONTENTS. 



Pages 



III. Thos. H. Montgomery, Jr., Ph.D. 



Comparative Cytological Studies, with Especial 



Regard to tite Morphology of the Nucleolus . 265-582 



No. 3. — February, 1899. 



I. Bradney B. Griffin. 



Studies on the Maturation, Fertilization, and 



Cleavage of Tlialassema a7id Zirphaea . . 583-634 



II. GusTAv EisEN, Ph.D. 



On the Blood-Plates of the Hitman Blood, with 

 Notes on the Erythrocytes of Amphiunia and 

 Necttirus 635-666 



III. Charles Wilson Greene. 



TJie Phosphorescent Organs in the Toadfish, 



Porichthys Notatus Girard (i^T-fx^^ 



IV. W. G. MacCallum. 



On the Species Clinostomum Heterostomum . 697-710 



V. Gary N. Calkins. 



Mitosis in Noctiluca Miliaris and its Bearing 

 on the Nuclear Relations of the Protozoa and 

 Metazoa 7 11-770 



GINN & COMPANY, BOSTON, U.S.A. 



