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Eleventh Year. 

 Vol. XXI. No. 523. 



FEBEUAEY 10, 1893. 



Single Copies, Ten Cents. 

 $3.50 Per Year, in Advance. 



Contents. 



The Ice-Wall on the Beaoh at Hull, Massa- 

 chusetts, Januakt, 1893. J. B. Woodworth. 



The Generic Evolution of the PAL.ffiOZOic 

 Brachiopoda. Agnes Crane 



On the So-Called Incas Eyes. W. S. Miller... 



Current Notes on anthropolooy.— XXII. D. 

 G. Btinton .Editor 



Recent Observations at Kilauea. JosiahKeep. 



Extreme.? in the Plant World. J. I. D. Hinds. 



Destruction of Crows During the Recent 

 Cold Spell. Robert Ridgway 



Remarks on American Lichenology.— III. W. 

 W. Calkins 



OsTEOLOGicAL NoTES. Daniel Denison Slode .. . 



Early Methods of Boeing. Joseph D. McChtire 



Letters to the Editor. 



Contusion in Weiglits and Measures. T. C. 

 MendenhaU 



Easy Mfithod of Calculating Complex Sur- 

 veys. R. 0. Graham 



Notes on Several Special Transformations. 

 Geo. A. inner 



Skeletons of Steller's Sea-Cow Preserved in 

 the Various Museums. Leonhard Stejneger 



"Unconscious Cerebration." S.V. Clevenger. 



Book Reviews. 



Hereditary Genius 



Finger Prints 



The Foot-Path Way 



The Testimony of Tradition 



Criminology 



Bible Studies 



The Evolution of Christianity 



• PosT-Offlce of New York. N.Y., £ 

 ^n,. irlooo Mni] Matter. 



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