CONTENTS 



No. 1. JUNE 



B. H. Buxton. Notes on the anatomy of arachnids. Eight diagrams and 



three plates 1 



N. E. McIndoo. The olfactory organs of Lepidoptera. Ten figilres 33 



Waro Nakahara. On the physiology of the nucleoli as seen in the silk-gland 



cells of certain insects. Nine figures (two plates) 55 



Jesse LeRoy Conel. The urogenital system of Myxinoids. Eighty-five figures 



(twelve plates) 75 



Jay Arthur Myers. Studies on the syrinx of Gallus domesticus. Eighteen 



figures 165 



S. Saguchi. Studies on ciliated cells. One text figure and four plates 217 



No. 2. SEPTEMBER 



Robert J. Terry. The primordial craniima of the cat. Thirty figures (twelve 



plates) 281 



Naohide Yatsu. Note on the structure of the maxillary gland of Cypridina 



Hilgendorfii. Four figures 435 



Benjamin Harrison Pratt and J. A. Long. The period of synapsis in the egg 



of the white rat, Mus Norvegicus Albinus. Two text figures and one 



plate 441 



Harold Heath. The early development of a starfish, Pateria (Asterina) 



Mineata. Five figures 461 



D. H. Wenrich. Synapsis and chromosome organization in Chorthippus 



(Stenobothrus) Curtipennis and Trimerotropis Suffusa (Orthoptera). 



Three plates 471 



Clarence E. McClung. The multiple chromosomes of Hesperotettix and 



Mermiria (Orthoptera). Eight plates 519 



Caroline M. Holt. Multiple complexes in the alimentary tract of culex 



pipiens. Thirty-three figures (four plates) 607 



