Bie 
1 He 
IV. 
II. 
CONTENTS: OF VOL. IIE 
No. 1.— June, 1889. 
J. Prayrarr McMorricu, M.A., Px.D. 
The Actiniaria of the Bahama Islands, W.L,, 
R. W. SuuFetpt, M.D., C.M.Z.S. 
Contributions to the Comparative Osteology of 
the Families of North American Passeres, 
R. W. Suuretpt, M.D., C.M.Z.S. 
Notes on the Anatomy of Speotyto Cunicu- 
laria Hypogea . 
James I. Peck, A.B. 
Variation of the Spinal Nerves in the Caudal 
Region of the Domestic Pigeon 
No. 2.— September, 1889. 
E. D. Cope. 
The Mechanical Causes of the Development 
of the Hard Parts of the Mammata . 
WittiAmM M. WHEELER. 
The Embryology of Blatta Germanica and 
Doryphora Decemlineata 
PAGES 
1-80 
8I-114 
T15-125 
127-136 
137-290 
291-386 
