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Xo. 1. — Studios from the Newport Marine Laboratory. — 

 XX. On the Development of the Cah'areous Phites of 

 Asterias. By J. W. Fewkes. (5 Thates.) July, 1888 . 1 



X'o. 2. — Ou the Lateral Canal System of the Selachia and 

 Holocephala. By S. Garman. (5.3 Plates.) September, 

 1888 57 



Xo. 3. — The Coral Reefs of the PLawaiian Tshuids. By A. 

 Agassiz. (13 Plates.) April. 1881) 121 



X'o. 4. — Studies on tlie Primitive Axial Segmentation of the 

 Chick. By Julia B. Platt. (2 Plates.) July, 1889 . . 171 



Xo. 5. — The Morphology of the Carotids, based on a Study 

 of the Blood-vessels of Chlamydoselachus anguineus Gar- 

 man. By n. Ayers. (1 Plate.) October, 1889 .... 191 



Xo. 6. — Cave Animals from Southwestern Missouri. By S. 

 Garman. (2 Plates.) December, 1889 225 



