TTi#* Ainpriran Natoralist 



A Caseof P^lyinorpMsm In Ag^anchimsimuJating 

 Some Features of Ornamentation in Fresh-water 



Shorter Articles "and Discussion: The Production 

 of Pure Homozvgotic Organisms from Het- 

 erozygotes by Belf-feitilization, Professor H. 

 lic J e e ^a8 8 Sa^» a cV^e F ^KicS 

 Analogies of Bi^oglcai^Procesaes^r.^C^ F;^ *- 



CONTENTS OF SEPTEMBER DUMBER ^ 



ftofemor JameeMF? ^bbott!^Doable Eggs. y Pn> 



brates Dr O P. Hay. Federley'a Breeding Ex- 

 periments with the Moth Pygaera, A. H. Stur- 



CONTENTS OF OCTOBER NUMBER 



V. AJNewSubspecies ot Zea mays L. Dr. Walter 

 VI. Notes and Literature : Patten on the Origin of 

 lations on^the Phytogeny of Organic Beings. 



I. The Mendelian Notation as a Description of 

 Physiological Facts. Professor E. M. E* 8 ^ 



V. Nc^andLiterature : The Classification of the 

 Liverworts :^ Prof«saor^ 



CONTENTS OF DECEMBER NUMBER 



IV. Shorter Articles and Discussion : A Simple Test 

 erf *j g^?/ ot Mendelian Ratios. 



V. Notes ^iA^rrZrda.u.° t<St ° U lchth * oll *&- 

 VI. Index to Volume XL VI. 



III. A Famr£of^Spn«od Negroes. Q. I. Simp** 



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